1,165 Internists Found in Diamond Bar, CA

We found 1,165 Internists available in Diamond Bar, CA with an average 4 stars across 6,661 reviews. Find the best one for your needs by years of experience, distance, reviews on Vitals, and more through the filters provided below. Currently, 615 Internists listed are accepting new patients and 552 accept Medicare.

Filter Internists Results

Featured Results

Dr. Adama Diarra, DO

Internal Medicine
Had a good bedside manner
14 years exp
Accepting New Patients
Virtual Visit available
Tigard, OR
"Dr. Adama Diarra was my 84 year old father's PCP. Dr. Diarra was very pro-active in adjusting his medications as his disease sates progressed and his kidney function declined." View Profile

Dr. Nima Ghadimi, MD

Internal Medicine
Gave an accurate diagnosis
29 years exp
Accepting New Patients
Virtual Visit available
Scottsdale, AZ
"Dr. Ghadimi is an exceptional doctor. If you need a Telehealth visit, the service is outstanding unless one is scheduled with the AWFUL M.A. Julian Zermeno." View Profile

Dr. Karanbir Brar

Geriatric Medicine
Flexible scheduling
16 years exp
Accepting New Patients
Virtual Visit available
Oceanside, CA
"I am always looking for doctors who are focused on prevention and providing the highest level of care and concern, Dr, Brar was extremely well intentioned in his ability to guide me to certain tests and health strategies to get some of my markers under control and also recc some advanced new tests to truly allow us to establish a strong prevention plan." View Profile

Trisha Khanna, MD, FAAD

Dermatology
Provided follow-up after the visit
8 years exp
Accepting New Patients
Virtual Visit available
Orlando, FL
"Dr. Trisha Khanna was incredibly compassionate and reassuring during a very stressful time for me." View Profile

Dr. Alaa Hajal, MD

Internal Medicine
15 years exp
Accepting New Patients
Virtual Visit available
Diamond Bar, CA
Dr. Alaa Hajal is redefining the primary care experience at La Vista Medical Center, serving as a cornerstone of health and vitality for the Diamond Bar community. View Profile

Dr. Lubna Isho, DO

Family Medicine
Spent time with me
1 Award
25 years exp
Accepting New Patients
Virtual Visit available
POMONA, CA
"She's a very good doctor, very helpful and informative. They are also very quick on sending out refferals to see other specialist 5/5" View Profile

Dr. Tooba Rehman, MD

Internal Medicine
16 years exp
Accepting New Patients
Virtual Visit available
Katy, TX
Dr. Tooba Rehman is a board-certified Internal Medicine physician and the founder of Doc & Me Health, a direct primary care practice built on a membership model that replaces rushed, insurance-driven visits with unhurried, relationship-first care. View Profile

Dr. Rameschandra D Bambhania, MD

Dermatology
41 years exp
Accepting New Patients
Virtual Visit available
Tustin, CA
"Dr. Bambhania is a godsend to me, I would have given 100+ stars if possible..." View Profile

All Results

Dr. Rameschandra D Bambhania, MD

Dermatology
41 years exp
Accepting New Patients
Virtual Visit available
Tustin, CA
"Dr. Bambhania is a godsend to me, I would have given 100+ stars if possible..." View Profile

Dr. Wayne Hamilton Martin, MD

Ophthalmology
43 years exp
Accepting New Patients
Diamond Bar, CA0.2 mi
"He is a good doctor . He care a lot for his patients. He take good care of my husband eyes for cataract surgery. Thank you very much doctor Martin and his staffs." View Profile

Dr. Karanbir Brar

Geriatric Medicine
Flexible scheduling
16 years exp
Accepting New Patients
Virtual Visit available
Oceanside, CA
"I am always looking for doctors who are focused on prevention and providing the highest level of care and concern, Dr, Brar was extremely well intentioned in his ability to guide me to certain tests and health strategies to get some of my markers under control and also recc some advanced new tests to truly allow us to establish a strong prevention plan." View Profile

Dr. Nima Ghadimi, MD

Internal Medicine
Provided follow-up after the visit
29 years exp
Accepting New Patients
Virtual Visit available
Scottsdale, AZ
"Dr. Ghadimi is an exceptional doctor. If you need a Telehealth visit, the service is outstanding unless one is scheduled with the AWFUL M.A. Julian Zermeno." View Profile

Dr. George Graf, MD

Anesthesiology
47 years exp
Accepting New Patients
Los Angeles, CA
"Excellent doctor . Truly cares" View Profile

Dr. Samantha Von Ins, MD

Family Medicine
Flexible scheduling
16 years exp
Accepting New Patients
Virtual Visit available
Placentia, CA
"Her staff is so friendly and courteous. The new office in Placentia is soooo beautiful! Dr. Von Ins is so thorough, patient, and very knowledgeable. Love her!!" View Profile

Dr. Shilpa Sayana, MD

Internal Medicine
Had a good bedside manner
22 years exp
Accepting New Patients
Virtual Visit available
SHERMAN OAKS, CA
Dr. Shilpa Sayana, MD, is a triple-board-certified Functional Medicine Internist who is dedicated in helping women navigate perimenopause and menopause. View Profile

Dr. Lubna Isho, DO

Family Medicine
Spent time with me
1 Award
25 years exp
Accepting New Patients
Virtual Visit available
POMONA, CA
"She's a very good doctor, very helpful and informative. They are also very quick on sending out refferals to see other specialist 5/5" View Profile

Eric Harker

Internal Medicine
Provided follow-up after the visit
25 years exp
Accepting New Patients
Virtual Visit available
Lyons, CO
"He now practices at Iora Primary Care in Arvada. Excellent." View Profile

Dr. Adama Diarra, DO

Internal Medicine
Spent time with me
14 years exp
Accepting New Patients
Virtual Visit available
Tigard, OR
"Dr. Adama Diarra was my 84 year old father's PCP. Dr. Diarra was very pro-active in adjusting his medications as his disease sates progressed and his kidney function declined." View Profile

Dr. Virginia Von Schaefer, MD

Oncology
Flexible scheduling
43 years exp
Accepting New Patients
Virtual Visit available
San Clemente, CA
"As I sit here in the VVS MD IV treatment room with 3 other patients, we are all sharing our stories." View Profile

Dr. Raghav Sharma, MD

Cardiovascular Disease
Gave an accurate diagnosis
16 years exp
Accepting New Patients
Virtual Visit available
Winter Park, FL
"Outstanding Doctor... easy to talk to and under stand ..." View Profile

Dr. Zarshid Arbabi, MD

Internal Medicine
36 years exp
Accepting New Patients
Diamond Bar, CA1.1 mi
Dr. Zarshid Arbabi, MD is a health care provider primarily located in Diamond Bar, CA, with other offices in Diamond Bar, CA and Corona, CA(and 4 other locations). View Profile

Dr. Valsa Madhava, MD

Addiction Medicine
39 years exp
Accepting New Patients
New York, NY
"SGI International or Soka Gakkai International (Value Creation Society) is a worldwide organization with over 11 million members in 192 countries promoting peace, culture and education focused on global issues from a Buddhist perspective." View Profile

Dr. Lorindha Francisca Argudo, MD

Internal Medicine
23 years exp
Accepting New Patients
Diamond Bar, CA2.3 mi
Dr. Lorindha Francisca Argudo, MD is a health care provider primarily located in Diamond Bar, CA. She has 23 years of experience. Her specialties include Internal Medicine. View Profile

Trisha Khanna, MD, FAAD

Dermatology
Had a good bedside manner
8 years exp
Accepting New Patients
Virtual Visit available
Orlando, FL
"Dr. Trisha Khanna was incredibly compassionate and reassuring during a very stressful time for me." View Profile

Dr. Jenchen Yang, MD

Interventional Cardiology
41 years exp
Diamond Bar, CA2.2 mi
"I have been a patient of Dr. Yang for about 12 years and find that He is a fine Doctor." View Profile

Dr. Jonathan Ou

Internal Medicine
17 years exp
Accepting New Patients
Diamond Bar, CA2.0 mi
"It's extremely difficult finding a good doctor." View Profile

Dr. Rizwana Begum Hussain, MD

Family Medicine
49 years exp
Accepting New Patients
DIAMOND BAR, CA1.7 mi
Dr. Rizwana Begum Hussain, MD is a health care provider primarily located in DIAMOND BAR, CA, with other offices in West Covina, CA and Covina, CA. She has 49 years of experience. View Profile

Dr. Ronald Olfato Rigor, MD

Dermatology
32 years exp
Accepting New Patients
Diamond Bar, CA0.2 mi
Dr. Ronald Olfato Rigor, MD is a health care provider primarily located in Diamond Bar, CA, with other offices in Diamond Bar, CA and Pasadena, CA. He has 32 years of experience. View Profile

Dr. Alaa Hajal, MD

Internal Medicine
15 years exp
Accepting New Patients
Virtual Visit available
Diamond Bar, CA
Dr. Alaa Hajal is redefining the primary care experience at La Vista Medical Center, serving as a cornerstone of health and vitality for the Diamond Bar community. View Profile

Dr. George Mousa, MD

Internal Medicine
17 years exp
Accepting New Patients
Virtual Visit available
Upland, CA
Dr. George Mousa specializes in preventive care and chronic disease management within Internal Medicine. View Profile

Dr. Daniel Benhuri, MD

Internal Medicine
8 years exp
Accepting New Patients
Virtual Visit available
Beverly Hills, CA
Meet Dr. Daniel Benhuri, MD: Your Primary Care Physician at Dr. Daniel Benhuri, MDAbout Dr. BenhuriDr. Daniel Benhuri, MD, is a board-certified internal medicine and primary care physician dedicated to providing exceptional healthcare to families in Beverly Hills, California. View Profile

Dr. Roopa Chari, MD

Integrative Medicine
31 years exp
Accepting New Patients
Virtual Visit available
Encinitas, CA
Dr. Roopa Chari is a Board-Certified Internal Medicine physician specializing in Integrative and Functional Medicine. View Profile

Karthikeyan Viswanathan, DO

Internal Medicine
12 years exp
Accepting New Patients
Virtual Visit available
Los Altos, CA
Dr. Karthikeyan Viswanathan, DO, is a physician who brings a unique perspective to medicine through his diverse professional background. View Profile

Dr. Tooba Rehman, MD

Internal Medicine
16 years exp
Accepting New Patients
Virtual Visit available
Katy, TX
Dr. Tooba Rehman is a board-certified Internal Medicine physician and the founder of Doc & Me Health, a direct primary care practice built on a membership model that replaces rushed, insurance-driven visits with unhurried, relationship-first care. View Profile

Dr. Tracy Ching-Hue Burton

Pediatrics
18 years exp
Accepting New Patients
Virtual Visit available
Franklin, TN
Dr. Tracy Burton is a Board-Certified Pediatrician with over 10 years of experience providing expert care to children and families as the Chief Medical Officer at As You Are. View Profile

Dr. Tamar Heisler

Pediatrics
18 years exp
Accepting New Patients
Virtual Visit available
Franklin, TN
Dr. Tami Heisler is a Board-Certified Pediatrician with over 10 years of experience providing compassionate and personalized care to children and their families at As You Are. View Profile

Yves Chery, CT, ASCP, APRN, BSN, MSN

Family Medicine
Accepting New Patients
Virtual Visit available
SUWANEE, GA

Bonni London, MS, RDN, LDN

Registered Dietitian
28 years exp
Accepting New Patients
Virtual Visit available
Sarasota, FL
ACCEPTING NEW PATIENTS FOR TELEHEALTH SERVICES in NY, CA, AZ, FL & COACCEPTING IN PERSON VISITS in Sarasota & Lakewood Ranch communities in FLORIDABonni London, RDN, is a registered dietitian nutritionist and founder of London Wellness, holding a Masters degree in Clinical Nutrition from NYU. View Profile

Garegin Melkonyan

Nurse Practitioner
Accepting New Patients
North Hollywood, CA
Garegin Melkonyan is a health care provider primarily located in North Hollywood, CA. View Profile

Dr. Mee Na Song

Family Medicine
Accepting New Patients
Sacramento, CA
Dr. Mee Na Song is a health care provider primarily located in Sacramento, CA. Their specialties include Internal Medicine, Family Medicine. View Profile

Dr. May Reem Bakir, MD,FACC

Cardiovascular Disease
15 years exp
Accepting New Patients
Oakbrook Terrace, IL
Dr. May Reem Bakir, MD,FACC is a health care provider primarily located in Oakbrook Terrace, IL, with other offices in Maywood, IL and Maywood, IL(and 2 other locations). View Profile

Jason Jacobson, MSN, FNP-C, ENP-C

Nurse Practitioner
17 years exp
Accepting New Patients
Jacksonville, FL
Jason Jacobson, MSN, FNP-C, ENP-C is a health care provider primarily located in Jacksonville, FL. He has 17 years of experience. View Profile

Dr. Jezwah Harris, JD, MSN, MBA

Internal Medicine
Accepting New Patients
North Miami Beach, FL
Dr. Jezwah Harris, JD, MSN, MBA is a health care provider primarily located in North Miami Beach, FL. View Profile

Dr. Ekta Sharma

Family Medicine
15 years exp
Accepting New Patients
DIAMOND BAR, CA1.5 mi
Dr. Ekta Sharma is a health care provider primarily located in DIAMOND BAR, CA, with another office in DIAMOND BAR, CA. She has 15 years of experience. View Profile

Dr. Anthony Miranda, MD

Internal Medicine
20 years exp
Accepting New Patients
Orlando, FL
"Excellent physician" View Profile

Dr. Que Hp Nguyen, MD

Internal Medicine
28 years exp
Accepting New Patients
Diamond Bar, CA1.1 mi
"She spent time with me during my visit. She called me on a Saturday evening to tell me Lab results" View Profile

Dr. Carolyn Anne Hardy, MD

Internal Medicine
23 years exp
Accepting New Patients
Diamond Bar, CA1.1 mi
"Listens to her patients. Works on overall health. Not just the immediate need" View Profile

Dr. Jieli Li, MD

Internal Medicine
23 years exp
Accepting New Patients
Diamond Bar, CA1.1 mi
Dr. Jieli Li, MD is a health care provider primarily located in Diamond Bar, CA, with other offices in Baldwin Park, CA and Ontario, CA. She has 23 years of experience. View Profile

Dr. Yuh-Huey Yvette Wang, MD

Internal Medicine
32 years exp
Accepting New Patients
Diamond Bar, CA2.2 mi
Dr. Yuh-Huey Yvette Wang, MD is a health care provider primarily located in Diamond Bar, CA. She has 32 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Hee Yong Oh

Internal Medicine
58 years exp
Accepting New Patients
Diamond Bar, CA2.3 mi
Dr. Hee Yong Oh is a health care provider primarily located in Diamond Bar, CA. He has 58 years of experience. His specialties include Internal Medicine. View Profile

Dr. Steve L Chan

Internal Medicine
Accepting New Patients
Diamond Bar, CA2.2 mi
Dr. Steve L Chan is a health care provider primarily located in Diamond Bar, CA. His specialties include Internal Medicine. View Profile

Dr. Joseph Lochinvar Dinglasan, MD

Otolaryngology-Head & Neck Surgery
55 years exp
DIAMOND BAR, CA1.9 mi
"More than 30 years experience ,more than 15,000 patients happy, very very safe , no pain....guarantee beautiful result....." View Profile

Dr. Rokhsan Sonya Taherpour, MD

Internal Medicine
34 years exp
DIAMOND BAR, CA2.0 mi
"Dr. Taherpour is a wonderful, intelligent doctor. She took the time to listen to me and was very accurate in her diagnosis. I would recommend her highly to all my friends." View Profile

Dr. Jonathan Doosung Cho, MD

Internal Medicine
24 years exp
DIAMOND BAR, CA2.0 mi
Dr. Jonathan Doosung Cho, MD is a health care provider primarily located in DIAMOND BAR, CA, with another office in DIAMOND BAR, CA. He has 24 years of experience. View Profile

Dr. Sherri Lynn Johnson

Pediatrics
36 years exp
DIAMOND BAR, CA0.4 mi
Dr. Sherri Lynn Johnson is a health care provider primarily located in DIAMOND BAR, CA. She has 36 years of experience. Her specialties include Internal Medicine, Pediatrics. View Profile

Dr. David Phong Tran, MD

Internal Medicine
Accepting New Patients
Diamond Bar, CA1.0 mi
Dr. David Phong Tran, MD is a health care provider primarily located in Diamond Bar, CA, with another office in Diamond Bar, CA. Their specialties include Internal Medicine. View Profile

Diem Linh P Tran

Nurse Practitioner
Diamond Bar, CA1.1 mi
Diem Linh P Tran is a health care provider primarily located in Diamond Bar, CA, with another office in Diamond Bar, CA. View Profile

Dr. Paul Bao Han, MD

Internal Medicine
29 years exp
Accepting New Patients
Diamond Bar, CA1.1 mi
Dr. Paul Bao Han, MD is a health care provider primarily located in Diamond Bar, CA, with other offices in Baldwin Park, CA and Ontario, CA. He has 29 years of experience. View Profile

Dr. Esther Yeajin Kwon, MD

Geriatric Medicine
13 years exp
Diamond Bar, CA1.1 mi
Dr. Esther Yeajin Kwon, MD is a health care provider primarily located in Diamond Bar, CA, with other offices in Ontario, CA and Diamond Bar, CA. She has 13 years of experience. View Profile

Dr. Chandan Ramesh Gowda

Internal Medicine
Diamond Bar, CA1.3 mi
Dr. Chandan Ramesh Gowda is a health care provider primarily located in Diamond Bar, CA, with another office in Diamond Bar, CA. Her specialties include Internal Medicine. View Profile

Dr. Manish Mehta, MD

Internal Medicine
24 years exp
DIAMOND BAR, CA2.0 mi
Dr. Manish Mehta, MD is a health care provider primarily located in DIAMOND BAR, CA. He has 24 years of experience. His specialties include Internal Medicine, Hospital Medicine. View Profile

Dr. Amy Alias, MD

Internal Medicine
23 years exp
Fullerton, CA
"Dr. Amy Alias, was recommended by a family member and that was my key to better health care. She has addressed all my health concerns in less than usual dr. visits." View Profile

Dr. Leo Sanchez Jr Garcia, MD

Internal Medicine
31 years exp
Fullerton, CA
"I take my 89 year old mother to see Dr. Leo Garcia and he is the nicest most patient physican we have encountered. His staff is always pleasant, friendly and professional." View Profile

Dr. Robert G. Landman, MD

Internal Medicine
51 years exp
Yorba Linda, CA
Dr. Robert G. Landman, MD is a health care provider primarily located in Yorba Linda, CA. He has 51 years of experience. His specialties include Internal Medicine. View Profile

Dr. David A Ruckman, MD

Internal Medicine
38 years exp
Fullerton, CA
Dr. David A Ruckman, MD is a health care provider primarily located in Fullerton, CA. He has 38 years of experience. His specialties include Internal Medicine. View Profile

Dr. Maximilian Eamon Garces, MD

Internal Medicine
36 years exp
Yorba Linda, CA
"Very knowledgeable and thorough." View Profile

Dr. Rishu Marwaha, MD

Internal Medicine
25 years exp
Pomona, CA6.5 mi
Dr. Rishu Marwaha, MD is a health care provider primarily located in Pomona, CA, with other offices in Upland, CA and Fontana, CA. She has 25 years of experience. View Profile

Dr. Ruben Jr Cabral, MD

Internal Medicine
37 years exp
Fullerton, CA
"Dr cabral is very kind,caring,thoroul and take his time to explain any questions we have. My husband and I are very happy with his services." View Profile

What is an Internist and How Can They Help You?

An internist specializes in adult medicine, providing comprehensive care for complex medical conditions. These physicians excel at diagnosing challenging cases and managing patients with multiple organ system involvement.

Internists complete medical school and a three-year internal medicine residency. Many pursue subspecialty fellowship training in fields such as cardiology, gastroenterology, or infectious disease, though general internists maintain broad adult medical expertise.

An Internist's clinical practice encompasses:

  • Concentrates on adult patient populations and multi-system medical management
  • Conducts medical history reviews, physical assessments, diagnostic test interpretation
  • Manages metabolic disorders, cardiovascular disease, pulmonary conditions, infectious processes, and immune-mediated diseases
  • Employs pharmaceutical management, preventive medicine, health counseling, and specialist coordination
  • Alternative titles: adult medicine specialist, general internist, MD, DO

Frequently Asked Questions

What's the best way to search for an Internist in Diamond Bar who accepts my health insurance?
Navigate to the insurance filter located at the top of the search page and select your health plan. This will display only Internists in Diamond Bar who are in-network with your carrier. For additional confirmation, visit each doctor's profile or reach out to their office by phone.
Where can I find Internists in Diamond Bar who offer virtual appointments?
Select the "Virtual Visit" filter at the top of the search page to see Internists providing telehealth services in Diamond Bar. Check each doctor's profile for video visit options and online scheduling availability. You may also call their office to set up a remote consultation.
What's the easiest way to locate highly-rated Internists in Diamond Bar?
Use the "Ratings" filter at the top of the search page to filter results by the average star rating. Browse individual profiles to see patient reviews and ratings in detail. When comparing Internists, look at both the average star rating and how many patients have submitted reviews.
Is it possible to schedule a same-day visit with an Internist in Diamond Bar?
Visit individual doctor profiles to see their current scheduling availability in Diamond Bar. If you don't see same-day openings listed online, try calling their office—walk-in times may be available that don't appear on the website.
Which Internists in Diamond Bar have the shortest wait times?
Review the Ratings & Reviews card on each provider's profile to see their average wait time in Diamond Bar. This helps you find an Internist that doesn’t make their patients wait too long.
Can I schedule appointments with Internists in Diamond Bar without calling?
Search for Internists who have "Book Online" or "Request Now" options on their profiles. Click these buttons to access online appointment scheduling. If a provider doesn't offer web-based booking, their phone number will be available for traditional scheduling.
How do I locate an Internist in Diamond Bar with evening or weekend hours?
Check the Locations card on each profile to view office hours for Internists in Diamond Bar. This helps you find providers with non-traditional availability. For the most accurate information about extended availability, call the office directly.
How do I leave feedback about my appointment with an Internist in Diamond Bar?
Go to your doctor's profile page and click the "Leave a Review" button or link. You can share your rating and write about your experience. Patient reviews like yours help others in the community choose the right Internist.
How can I locate an Internist in Diamond Bar who is fluent in my preferred language?
Review the language information displayed on individual profiles for Internists. If this information isn't available online, contact the office directly to ask about the doctor's language capabilities or whether interpreters are available.
How do I search for an Internist in Diamond Bar who works at a particular hospital or medical center?
Check the "Hospital Affiliation" and "Locations" sections on each provider's profile to see where Internists practice. You can also enter a specific hospital or medical group name into the search tool to find Internists who work there.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.