697 Internists Found in Ontario, CA – Page 10

We found 697 Internists available in Ontario, CA with an average 4 stars across 4,002 reviews. Find the best one for your needs by years of experience, distance, reviews on Vitals, and more through the filters provided below. Currently, 335 Internists listed are accepting new patients and 295 accept Medicare. Showing 541 to 600 of 697 Internists.

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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. Samantha Von Ins, MD

Family Medicine
Spent time with me
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. 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

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. 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. Lakshita Gupta, MD

Internal Medicine
11 years exp
Accepting New Patients
Upland, CA3.3 mi
Dr. LAKSHITA GUPTA, MD is a BOARD CERTIFIED INTERNISTDr. Lakshita Gupta is an internal medicine physician at Rancho Wellness, serving patients at both the Rancho Cucamonga and Upland locations. View Profile

Trisha Khanna, MD, FAAD

Dermatology
Flexible scheduling
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

Eric Harker

Internal Medicine
Spent time with me
25 years exp
Accepting New Patients
Virtual Visit available
Lyons, CO
"He now practices at Iora Primary Care in Arvada. Excellent." View Profile

All Results

Dr. Mohammed Adel Kamil Al-Khayyat, MD

Internal Medicine
19 years exp
Upland, CA3.4 mi
Dr. Mohammed Adel Kamil Al-Khayyat, MD is a health care provider primarily located in Upland, CA, with other offices in San Bernardino, CA and San Bernardino, CA(and 3 other locations). View Profile

Dr. Ramesh Kolli, MD

Internal Medicine
28 years exp
Montclair, CA4.4 mi
Dr. Ramesh Kolli, MD is a health care provider primarily located in Montclair, CA, with other offices in Frisco, TX and Montclair, CA(and 2 other locations). View Profile

Khoa Anh Dang

Nurse Practitioner
Accepting New Patients
Chino, CA3.5 mi
Khoa Anh Dang is a health care provider primarily located in Chino, CA. His specialties include Internal Medicine, Nurse Practitioner. View Profile

Dr. Nasaria Pilar Barreras

Internal Medicine
Rancho Cucamonga, CA3.7 mi
Dr. Nasaria Pilar Barreras is a health care provider primarily located in Rancho Cucamonga, CA, with another office in Rancho Cucamonga, CA. View Profile

Dr. John Kao, MD

Internal Medicine
16 years exp
Chino, CA3.7 mi
Dr. John Kao, MD is a health care provider primarily located in Chino, CA, with another office in Chino, CA. He has 16 years of experience. View Profile

Dr. Jerdjan Mangkorn Kanok, MD

Allergy & Immunology
57 years exp
Upland, CA3.8 mi
Dr. Jerdjan Mangkorn Kanok, MD is a health care provider primarily located in Upland, CA. They have 57 years of experience. View Profile

Dr. Wilson Dugaduga Lao, MD

Internal Medicine
42 years exp
Accepting New Patients
RANCHO CUCAMONGA, CA6.2 mi
Dr. Wilson Dugaduga Lao, MD is a health care provider primarily located in RANCHO CUCAMONGA, CA. He has 42 years of experience. His specialties include Internal Medicine. View Profile

Dr. Michael Vuong Vu, DO

Internal Medicine
21 years exp
Chino, CA3.9 mi
Dr. Michael Vuong Vu, DO is a health care provider primarily located in Chino, CA, with other offices in San Jose, CA and San Jose, CA(and 3 other locations). View Profile

Dr. Michael Ignas Christie

Diagnostic Radiology
7 years exp
Chino, CA3.9 mi
Dr. Michael Ignas Christie is a health care provider primarily located in Chino, CA, with other offices in Redding, CA and Loma Linda, CA(and 11 other locations). View Profile

Dr. Nasiem Marriam Niroumand, MD

Diagnostic Radiology
13 years exp
Chino, CA3.9 mi
Dr. Nasiem Marriam Niroumand, MD is a health care provider primarily located in Chino, CA, with other offices in Whittier, CA and Redding, CA(and 12 other locations). View Profile

Dr. Stanley Bongkey Chou, MD

Cardiovascular Disease
19 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Stanley Bongkey Chou, MD is a health care provider primarily located in Chino, CA, with other offices in SAN JUAN CAPISTRANO, CA and Sherman Oaks, CA(and 7 other locations). View Profile

Dr. John Joonseog Lee, MD

Internal Medicine
15 years exp
Chino, CA3.9 mi
Dr. John Joonseog Lee, MD is a health care provider primarily located in Chino, CA. He has 15 years of experience. View Profile

Dr. Thomas Tan Le, DO

Internal Medicine
39 years exp
Chino, CA3.9 mi
Dr. Thomas Tan Le, DO is a health care provider primarily located in Chino, CA, with another office in Chino, CA. He has 39 years of experience. View Profile

Dr. Darice Liu, MD

Diagnostic Radiology
25 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Darice Liu, MD is a health care provider primarily located in Chino, CA, with other offices in Corona, CA and Placentia, CA(and 8 other locations). View Profile

Dr. Francisco Ravina Briones

Internal Medicine
50 years exp
Chino, CA3.9 mi
Dr. Francisco Ravina Briones is a health care provider primarily located in Chino, CA. He has 50 years of experience. His specialties include Internal Medicine, Family Medicine. View Profile

Dr. Jeffrey John Crudo, MD

Internal Medicine
36 years exp
Chino, CA3.9 mi
Dr. Jeffrey John Crudo, MD is a health care provider primarily located in Chino, CA, with other offices in Laguna Beach, CA and Porterville, CA(and 8 other locations). View Profile

Dr. Mchelle Peak Kerk, MD

Internal Medicine
16 years exp
Chino, CA3.9 mi
Dr. Mchelle Peak Kerk, MD is a health care provider primarily located in Chino, CA. She has 16 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Remus Ionut Popa, MD

Internal Medicine
31 years exp
Chino, CA3.9 mi
Dr. Remus Ionut Popa, MD is a health care provider primarily located in Chino, CA, with other offices in La Jolla, CA and Chino, CA. He has 31 years of experience. View Profile

Dr. Tatiana Aleksandrovna Hoeffer

Family Medicine
23 years exp
Chino, CA3.9 mi
Dr. Tatiana Aleksandrovna Hoeffer is a health care provider primarily located in Chino, CA, with other offices in Anaheim, CA and Anaheim, CA(and 2 other locations). View Profile

Dr. Alina Stanca Popa, MD

Internal Medicine
31 years exp
Chino, CA3.9 mi
Dr. Alina Stanca Popa, MD is a health care provider primarily located in Chino, CA, with other offices in La Jolla, CA and Chino, CA. She has 31 years of experience. View Profile

Dr. Rahul Nayyar, MD

Vascular & Interventional Radiology
17 years exp
Chino, CA3.9 mi
Dr. Rahul Nayyar, MD is a health care provider primarily located in Chino, CA, with other offices in Barstow, CA and Victorville, CA(and 13 other locations). View Profile

Dr. Binh Le Tran-Lei, DO

Internal Medicine
25 years exp
Chino, CA3.9 mi
Dr. Binh Le Tran-Lei, DO is a health care provider primarily located in Chino, CA. She has 25 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Ayyaz Alam Sultan

Internal Medicine
11 years exp
Chino, CA3.9 mi
Dr. Ayyaz Alam Sultan is a health care provider primarily located in Chino, CA, with other offices in Redding, CA and Chino, CA(and 4 other locations). View Profile

Dr. Erik Olsen, MD

Diagnostic Radiology
10 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Erik Olsen, MD is a health care provider primarily located in Chino, CA, with other offices in Portland, ME and Placentia, CA(and 24 other locations). View Profile

Dr. Jennifer N Sayles, MD

Internal Medicine
25 years exp
Rancho Cucamonga, CA3.9 mi
Dr. Jennifer N Sayles, MD is a health care provider primarily located in Rancho Cucamonga, CA, with another office in Rancho Cucamonga, CA. She has 25 years of experience. View Profile

Dr. Herbert Carl A Meyer Jr, MD

Internal Medicine
76 years exp
Chino, CA3.9 mi
Dr. Herbert Carl A Meyer Jr, MD is a health care provider primarily located in Chino, CA. They have 76 years of experience. Their specialties include Internal Medicine. View Profile

Dr. Min Kwan Kim, MD

Internal Medicine
26 years exp
CHINO, CA4.1 mi
Dr. Min Kwan Kim, MD is a health care provider primarily located in CHINO, CA, with another office in CHINO, CA. He has 26 years of experience. View Profile

Dr. Karen Dina Tsoulas

Internal Medicine
29 years exp
Chino, CA4.2 mi
Dr. Karen Dina Tsoulas is a health care provider primarily located in Chino, CA. She has 29 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Paula Sunghyon Cho, MD

Internal Medicine
27 years exp
Accepting New Patients
Rancho Cucamonga, CA4.2 mi
Dr. Paula Sunghyon Cho, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in North Hills, CA and Rancho Cucamonga, CA. View Profile

Dr. Marc H Shomer, MD

Internal Medicine
Accepting New Patients
Upland, CA4.3 mi
Dr. Marc H Shomer, MD is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Sami Walid Kabbara, MD

Ophthalmology
8 years exp
Accepting New Patients
Rancho Cucamonga, CA4.3 mi
Dr. Sami Walid Kabbara, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Dallas, TX and Dallas, TX(and 5 other locations). View Profile

Dr. Fernando Daniel Palacios, MD

Internal Medicine
18 years exp
Montclair, CA4.3 mi
Dr. Fernando Daniel Palacios, MD is a health care provider primarily located in Montclair, CA. He has 18 years of experience. View Profile

Dr. Jaspreet Kaur Singh, MD

Diagnostic Radiology
19 years exp
Montclair, CA4.3 mi
Dr. Jaspreet Kaur Singh, MD is a health care provider primarily located in Montclair, CA, with other offices in Loma Linda, CA and Montclair, CA(and 3 other locations). View Profile

Dr. Tina Moazezi

Internal Medicine
Montclair, CA4.3 mi
Dr. Tina Moazezi is a health care provider primarily located in Montclair, CA, with other offices in Montclair, CA and Park Ridge, IL. View Profile

Dr. Dion Adiputra Kencana

Internal Medicine
8 years exp
Montclair, CA4.3 mi
Dr. Dion Adiputra Kencana is a health care provider primarily located in Montclair, CA, with other offices in Montgomery, AL and Montgomery, AL(and 2 other locations). View Profile

Dr. Swe Swehnin Htike, MD

Internal Medicine
22 years exp
Pomona, CA7.3 mi
Dr. Swe Swehnin Htike, MD is a health care provider primarily located in Pomona, CA. She has 22 years of experience. Her specialties include Internal Medicine, Hospital Medicine. View Profile

Dr. Seon Hwa Song, MD

Internal Medicine
14 years exp
Montclair, CA4.4 mi
Dr. Seon Hwa Song, MD is a health care provider primarily located in Montclair, CA, with other offices in Fullerton, CA and Downey, CA(and 2 other locations). View Profile

Dr. Sreesh Gopal Iyengar, MD

Nephrology
15 years exp
Accepting New Patients
Rancho Cucamonga, CA4.5 mi
Dr. Sreesh Gopal Iyengar, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Banning, CA and Rancho Cucamonga, CA(and 5 other locations). View Profile

Dr. Hussien Ali Saab

Internal Medicine
9 years exp
Rancho Cucamonga, CA4.5 mi
Dr. Hussien Ali Saab is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Los Angeles, CA and Whittier, CA(and 2 other locations). View Profile

Dr. Oliver Phan Le, MD

Nephrology
11 years exp
Accepting New Patients
Rancho Cucamonga, CA4.5 mi
Dr. Oliver Phan Le, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Riverside, CA and Loma Linda, CA(and 15 other locations). View Profile

Dr. Melinda Wood Phillips, MD

Internal Medicine
21 years exp
Chino, CA4.6 mi
Dr. Melinda Wood Phillips, MD is a health care provider primarily located in Chino, CA. She has 21 years of experience. Her specialties include Internal Medicine, Pediatrics. View Profile

Dr. Nyein Aye Tint, MD

Internal Medicine
17 years exp
Accepting New Patients
Rancho Cucamonga, CA4.7 mi
Dr. Nyein Aye Tint, MD is a health care provider primarily located in Rancho Cucamonga, CA. She has 17 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Hotosa Ebrahimzadeh, MD

Pediatrics
30 years exp
Pomona, CA7.1 mi
"The best doctor I have seen over the last ten years. And She is in San clemente" View Profile

Dr. Maher Tama, MD

Gastroenterology
15 years exp
Pomona, CA7.3 mi
"Dr. Tama is my internal- GI doctor. He is personable and he answered all my questions. He gave me the comfort I needed before, during, and after my procedure." View Profile

Dr. Nena Tong Arciaga

Internal Medicine
RANCHO CUCAMONGA, CA4.8 mi
Dr. Nena Tong Arciaga is a health care provider primarily located in RANCHO CUCAMONGA, CA. Her specialties include Internal Medicine. View Profile

Dr. Apeksha Ketan Shah

Ophthalmology
6 years exp
Accepting New Patients
Rancho Cucamonga, CA4.9 mi
Dr. Apeksha Ketan Shah is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Colton, CA and Loma Linda, CA(and 3 other locations). View Profile

Dr. Geeta Jayantilal Petna, MD

Internal Medicine
Rancho Cucamonga, CA4.9 mi
Dr. Geeta Jayantilal Petna, MD is a health care provider primarily located in Rancho Cucamonga, CA, with another office in Rancho Cucamonga, CA. View Profile

Dr. Hubert Konosuke Suruki, MD

Internal Medicine
15 years exp
Rancho Cucamonga, CA7.5 mi
Dr. Hubert Konosuke Suruki, MD is a health care provider primarily located in Rancho Cucamonga, CA, with another office in Rancho Cucamonga, CA. He has 15 years of experience. View Profile

Dr. Jei-Po Chen, MD

Internal Medicine
61 years exp
Rancho Cucamonga, CA5.0 mi
Dr. Jei-Po Chen, MD is a health care provider primarily located in Rancho Cucamonga, CA. He has 61 years of experience. View Profile

Dr. Rainer Guerra Bansuan, MD

Internal Medicine
45 years exp
Pomona, CA7.3 mi
Dr. Rainer Guerra Bansuan, MD is a health care provider primarily located in Pomona, CA, with another office in Pomona, CA. He has 45 years of experience. View Profile

Dr. Sarkis Ohannes Markarian

Family Medicine
Accepting New Patients
Pomona, CA5.4 mi
Dr. Sarkis Ohannes Markarian is a health care provider primarily located in Pomona, CA, with other offices in Los Angeles, CA and Pomona, CA. View Profile

Dr. Robert Alphus Clinton

Internal Medicine
44 years exp
Upland, CA5.6 mi
Dr. Robert Alphus Clinton is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 44 years of experience. View Profile

Dr. Nawaid Rana

Internal Medicine
POMONA, CA5.7 mi
Dr. Nawaid Rana is a health care provider primarily located in POMONA, CA, with other offices in Pomona, CA and Silverton, OR. His specialties include Internal Medicine. View Profile

Dr. Patrick Henry Maehler

Internal Medicine
CLAREMONT, CA5.8 mi
Dr. Patrick Henry Maehler is a health care provider primarily located in CLAREMONT, CA. His specialties include Internal Medicine. View Profile

Dr. Florante Maun Maglalang, MD

Family Medicine
49 years exp
Accepting New Patients
Chino Hills, CA8.4 mi
Dr. Florante Maun Maglalang, MD is a health care provider primarily located in Chino Hills, CA, with other offices in West Covina, CA and Chino Hills, CA. View Profile

Dr. Shelley Kaur Dhillon

Rheumatology
8 years exp
Claremont, CA5.9 mi
Dr. Shelley Kaur Dhillon is a health care provider primarily located in Claremont, CA, with other offices in Fresno, CA and Orange, CA(and 3 other locations). View Profile

Dr. Giri Reddy Tummuru, MD

Internal Medicine
24 years exp
Pomona, CA7.3 mi
Dr. Giri Reddy Tummuru, MD is a health care provider primarily located in Pomona, CA. He has 24 years of experience. His specialties include Internal Medicine, Hospital Medicine. View Profile

Dr. Dong Suck Oh, MD

Internal Medicine
51 years exp
Chino, CA6.0 mi
Dr. Dong Suck Oh, MD is a health care provider primarily located in Chino, CA. He has 51 years of experience. His specialties include Internal Medicine. View Profile

Dr. Karn Danpongchareon

Anesthesiology
32 years exp
Alta Loma, CA6.1 mi
Dr. Karn Danpongchareon is a health care provider primarily located in Alta Loma, CA. He has 32 years of experience. His specialties include Internal Medicine, Anesthesiology. 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 Ontario 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 Ontario 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 Ontario who offer virtual appointments?
Select the "Virtual Visit" filter at the top of the search page to see Internists providing telehealth services in Ontario. 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 Ontario?
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 Ontario?
Visit individual doctor profiles to see their current scheduling availability in Ontario. 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 Ontario have the shortest wait times?
Review the Ratings & Reviews card on each provider's profile to see their average wait time in Ontario. This helps you find an Internist that doesn’t make their patients wait too long.
Can I schedule appointments with Internists in Ontario 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 Ontario with evening or weekend hours?
Check the Locations card on each profile to view office hours for Internists in Ontario. 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 Ontario?
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 Ontario 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 Ontario 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.