697 Internists Found in Ontario, CA – Page 6

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 301 to 360 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. Karanbir Brar

Geriatric Medicine
Spent time with me
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. 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

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. 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. Lubna Isho, DO

Family Medicine
Had a good bedside manner
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. Nima Ghadimi, MD

Internal Medicine
Had a good bedside manner
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

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

All Results

Dr. Dinesh R Samant, MD

Cardiovascular Disease
53 years exp
Accepting New Patients
Pomona, CA7.3 mi
"I have been a patient of Dr Samant for almost 20 years. I find him to be very good and has a great bedside manner towards his patients.." View Profile

Dr. Nischita Merla, MD

Gastroenterology
25 years exp
Accepting New Patients
Rancho Cucamonga, CA2.7 mi
"Took care of me for the last 2 years. Busy but makes time to explain the problem." View Profile

Dr. Imad Aziz El-Asmar, MD

Internal Medicine
35 years exp
Accepting New Patients
Pomona, CA7.1 mi
Dr. Imad Aziz El-Asmar, MD is a health care provider primarily located in Pomona, CA, with other offices in Los Angeles, CA and Pomona, CA(and 2 other locations). View Profile

Dr. Badran Madani, MD

Internal Medicine
33 years exp
Upland, CA3.4 mi
Dr. Badran Madani, MD is a health care provider primarily located in Upland, CA, with other offices in San Bernardino, CA and Upland, CA. He has 33 years of experience. View Profile

Dr. Linda Lee, MD

Family Medicine
27 years exp
Accepting New Patients
Rancho Cucamonga, CA6.6 mi
"Excellent doctor! Very kind and thorough." View Profile

Dr. Jin Wang, MD

Nephrology
44 years exp
Upland, CA3.4 mi
Dr. Jin Wang, MD is a health care provider primarily located in Upland, CA, with other offices in Chino, CA and FONTANA, CA. He has 44 years of experience. View Profile

Dr. Sundararajan Srikanth, MD

Cardiovascular Disease
38 years exp
Accepting New Patients
Upland, CA3.4 mi
"great doctor, very personable" View Profile

Dr. Sarina Harpreet Kular, MD

Internal Medicine
39 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Sarina Harpreet Kular, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Upland, CA. She has 39 years of experience. View Profile

Dr. Zuhair Yahya, MD

Endocrinology, Diabetes & Metabolism
55 years exp
Accepting New Patients
Pomona, CA7.3 mi
"Best Doctor in treating my diabetes, I have been seeing this Doctor for 39 years and he has kept my diabetes in normal range all these years." View Profile

Dr. Samuel Shih-Fang Liu, MD

Nephrology
28 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Samuel Shih-Fang Liu, MD is a health care provider primarily located in Upland, CA, with other offices in West Covina, CA and Downey, CA(and 13 other locations). View Profile

Dr. Jasmine Kimgoke Leong, MD

Internal Medicine
38 years exp
Accepting New Patients
Chino, CA3.9 mi
"I have been a patient of Dr. Leong for over 10 years, she is the best doctor for me, I have never waited over 10 minutes after my appointment time." View Profile

Dr. Sudhakar Reddy Kona, MD

Internal Medicine
Upland, CA6.9 mi
"Husband and I have been with him for years. He is caring, listens well, very skilled, thoughtful. Best internist we have had." View Profile

Dr. Klemens Huynh, MD

Nephrology
29 years exp
Accepting New Patients
Rancho Cucamonga, CA4.5 mi
"He saved my life in the hospital and continues to care for me in his office. Very caring doctor." View Profile

Dr. Kerry Norman Gott, MD

Infectious Disease
39 years exp
Pomona, CA7.5 mi
Dr. Kerry Norman Gott, MD is a health care provider primarily located in Pomona, CA. He has 39 years of experience. His specialties include Internal Medicine, Infectious Disease. View Profile

Dr. Eric Cheng-Jer Lee, MD

Rheumatology
29 years exp
Accepting New Patients
Upland, CA3.2 mi
Dr. Eric Cheng-Jer Lee, MD is a health care provider primarily located in Upland, CA, with other offices in Chino, CA and Chino, CA(and 2 other locations). View Profile

Dr. Henry Lin, MD

Allergy & Immunology
28 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Henry Lin, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Pomona, CA. He has 28 years of experience. View Profile

Dr. Sirach Moges Selassie, MD

Internal Medicine
19 years exp
Accepting New Patients
Rancho Cucamonga, CA4.3 mi
"It's reassuring to meet a doctor that fits the actions of how I always considered a doctor would be. Dr. Selassie and the team he works with are very kind and compassionate." View Profile

Dr. Heather Lynn Davis, MD

Pulmonology
28 years exp
Pomona, CA7.3 mi
Dr. Heather Lynn Davis, MD is a health care provider primarily located in Pomona, CA, with another office in San Gabriel, CA. She has 28 years of experience. View Profile

Dr. Jayapal A Reddy, MD

Cardiovascular Disease
37 years exp
Accepting New Patients
Upland, CA3.4 mi
"He's very honest but at the same time very kind and professional. He is excellent at explaining conditions." View Profile

Dr. Fatima H Hakkak, MD

Cardiovascular Disease
34 years exp
Upland, CA3.4 mi
"Compassionate , professionalism , trusted ,respected" View Profile

Dr. Sean Sang-Van To, MD

Internal Medicine
28 years exp
Accepting New Patients
Chino, CA3.5 mi
"I have been a patient of Dr. To for many years. He has always taken the time to talk with me about my various medical conditions." View Profile

Dr. Kevin Michael Jenkins, DO

Gastroenterology
53 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Kevin Michael Jenkins, DO is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 53 years of experience. View Profile

Dr. Roger Dennis Duber, DO

Cardiovascular Disease
49 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Roger Dennis Duber, DO is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 49 years of experience. View Profile

Dr. Ramanna Merla, MD

Cardiovascular Disease
25 years exp
Upland, CA3.4 mi
Dr. Ramanna Merla, MD is a health care provider primarily located in Upland, CA. He has 25 years of experience. His specialties include Internal Medicine, Cardiovascular Disease. View Profile

Dr. Manju Jalan Agrawal, MD

Internal Medicine
40 years exp
Accepting New Patients
Pomona, CA7.3 mi
"I won't go into personal details, but if it weren't for Dr. A's swift action years ago, I most likely would be dead. She's a fantastic doctor and an amazingly caring individual." View Profile

Dr. Octavio Ruiz-Villalpando, MD

Family Medicine
29 years exp
Accepting New Patients
Montclair, CA4.3 mi
Dr. Octavio Ruiz-Villalpando, MD is a health care provider primarily located in Montclair, CA, with other offices in Perris, CA and Montclair, CA. He has 29 years of experience. View Profile

Dr. Gary T Lai, MD

Internal Medicine
30 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Gary T Lai, MD is a health care provider primarily located in Chino, CA, with other offices in Pomona, CA and Montclair, CA(and 2 other locations). View Profile

Dr. Marline Sonti Sangnil, MD

Physical Medicine & Rehabilitation
14 years exp
Pomona, CA7.5 mi
Dr. Marline Sonti Sangnil, MD is a health care provider primarily located in Pomona, CA. She has 14 years of experience. View Profile

Dr. Cong Thanh Phan, MD

Internal Medicine
26 years exp
Upland, CA3.4 mi
"Dr. Phan has been both of my parents’ doctor for many years. He has always been knowledgeable and kind towards them." View Profile

Dr. Ali Mohammed Etemadian, DO

Internal Medicine
35 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Ali Mohammed Etemadian, DO is a health care provider primarily located in Chino, CA, with other offices in Chino, CA and Chino, CA. He has 35 years of experience. View Profile

Dr. Tarek Ezzeddine, MD

Family Medicine
27 years exp
Rancho Cucamonga, CA4.9 mi
"I don't have the words to describe my experience with him. My appointment with him was precise and he analyzed my every issue with reliability and kindness." View Profile

Dr. Redemption Galang Geronimo, MD

Internal Medicine
51 years exp
Accepting New Patients
Pomona, CA7.0 mi
Dr. Redemption Galang Geronimo, MD is a health care provider primarily located in Pomona, CA. She has 51 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Jack Walter Griffith, DO

Dermatology
22 years exp
Accepting New Patients
Rancho Cucamonga, CA4.7 mi
Dr. Jack Walter Griffith, DO is a health care provider primarily located in Rancho Cucamonga, CA. He has 22 years of experience. View Profile

Dr. Praveena Jeereddi, MD

Internal Medicine
28 years exp
Upland, CA3.4 mi
Dr. Praveena Jeereddi, MD is a health care provider primarily located in Upland, CA, with other offices in Pomona, CA and Upland, CA. She has 28 years of experience. View Profile

Dr. Mohamed Bassam Sebai, MD

Internal Medicine
46 years exp
Accepting New Patients
Upland, CA3.2 mi
"I have been a patient of Dr. Sebai for years. He is an excellent doctor! Dr. Sebai takes his time with you to explain what's going on in your body. " View Profile

Dr. Ghassan El-Abdalla Hadi, MD

Internal Medicine
38 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Ghassan El-Abdalla Hadi, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 38 years of experience. View Profile

Dr. Tom Y Moy, MD

Cardiovascular Disease
Pomona, CA7.1 mi
Dr. Tom Y Moy, MD is a health care provider primarily located in Pomona, CA. Their specialties include Internal Medicine, Cardiovascular Disease. View Profile

Dr. Joyce Premlatha Lazarus, MD

Internal Medicine
38 years exp
Accepting New Patients
Eastvale, CA6.8 mi
Dr. Joyce Premlatha Lazarus, MD is a health care provider primarily located in Eastvale, CA. She has 38 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Padmini Priya Tummala, MD

Cardiovascular Disease
35 years exp
Upland, CA3.4 mi
Dr. Padmini Priya Tummala, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. She has 35 years of experience. View Profile

Dr. Almoutaz Bellah Shakally, MD

Endocrinology, Diabetes & Metabolism
19 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Almoutaz Bellah Shakally, MD is a health care provider primarily located in Upland, CA, with other offices in Corona, CA and Chino, CA(and 7 other locations). View Profile

Dr. Jagtar Sarup Dhadwal, MD

Internal Medicine
44 years exp
Pomona, CA7.3 mi
Dr. Jagtar Sarup Dhadwal, MD is a health care provider primarily located in Pomona, CA. He has 44 years of experience. His specialties include Internal Medicine. View Profile

Dr. Bilal Rafic Rayes, MD

Internal Medicine
26 years exp
Montclair, CA4.3 mi
"Dr. Rayes is an awesome Dr. He made sense of everything I'm going through with my health problems. He helped me see clearly that i will be ok.." View Profile

Dr. Michael Thomas Oliver, MD

Gastroenterology
50 years exp
Accepting New Patients
POMONA, CA7.4 mi
"Have had 6 medical procedures by Dr. Oliver, proficient surgeon, good record with my procedures, have confidence in him" View Profile

Dr. Parag Mehtani, MD

Nephrology
21 years exp
Accepting New Patients
Rancho Cucamonga, CA4.5 mi
Dr. Parag Mehtani, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Rancho Cucamonga, CA and San Bernardino, CA(and 8 other locations). View Profile

Dr. Jeannette Sadek Benjamin, MD

Internal Medicine
50 years exp
Upland, CA3.4 mi
"I have been seeing her for years. She is smart, realistic, and compassionate." View Profile

Dr. Hussain Al-Darsani, MD

Gastroenterology
41 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Hussain Al-Darsani, MD is a health care provider primarily located in Upland, CA, with other offices in CHINO, CA and Chino, CA(and 4 other locations). View Profile

Dr. Mansurur Rahman Khan, MD

Internal Medicine
28 years exp
Accepting New Patients
Upland, CA3.3 mi
Dr. Mansurur Rahman Khan, MD is a health care provider primarily located in Upland, CA, with other offices in Montclair, CA and Upland, CA. He has 28 years of experience. View Profile

Dr. Yenchih George Lin, MD

Internal Medicine
31 years exp
Accepting New Patients
Chino, CA3.9 mi
Dr. Yenchih George Lin, MD is a health care provider primarily located in Chino, CA, with another office in Chino, CA. He has 31 years of experience. View Profile

Dr. Bhupal B Kommineni, MD

Internal Medicine
Upland, CA3.5 mi
"Dr. K saved my life 22 years ago when I was diagnosed with pneumonia and was in hospital for three weeks in isolation." View Profile

Dr. Yeong An Sheu, MD

Gastroenterology
40 years exp
Accepting New Patients
Upland, CA3.4 mi
"Dr. Sheu is an excellent doctor. He pays good attention to each detail of his patient's condition." View Profile

Dr. Dennis Trigueros, MD

Emergency Medicine
24 years exp
Upland, CA3.4 mi
Dr. Dennis Trigueros, MD is a health care provider primarily located in Upland, CA, with other offices in Long Beach, CA and Ojai, CA. He has 24 years of experience. View Profile

Dr. Ronnie Dunchok, MD

Internal Medicine
43 years exp
Upland, CA3.4 mi
"We have been patients of Dr. Dunchok for years ,love him!!!" View Profile

Dr. Niraj Vijay Parekh, MD

Interventional Cardiology
19 years exp
Accepting New Patients
Montclair, CA4.4 mi
Dr. Niraj Vijay Parekh, MD is a health care provider primarily located in Montclair, CA, with other offices in Riverside, CA and HEMET, CA(and 7 other locations). View Profile

Dr. Xiao-Ling Zhang, MD

Internal Medicine
43 years exp
Accepting New Patients
Chino, CA3.9 mi
"Dr. Zhang is really care her patients and knowledgeable." View Profile

Dr. Sudhir Kumar B Reddy, MD

Gastroenterology
52 years exp
Upland, CA3.4 mi
"I can honestly say without a doubt that Dr. Reddy is one of the best physicians (within any field of medicine) that I have seen in my adult life." View Profile

Dr. Amitpal Singh Kohli, MD

Endocrinology, Diabetes & Metabolism
22 years exp
Accepting New Patients
Rancho Cucamonga, CA3.5 mi
Dr. Amitpal Singh Kohli, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Roseville, CA and ROSEVILLE, CA(and 3 other locations). View Profile

Dr. Sara Ali Khan, MD

Internal Medicine
24 years exp
Accepting New Patients
Upland, CA3.4 mi
"Dr. Khan was assigned to my husband after he was admitted to the hospital for a repeated, ongoing problem." View Profile

Dr. Zouhair Hakak, MD

Internal Medicine
48 years exp
Accepting New Patients
Upland, CA3.4 mi
"I would not be alive today if not for Dr. Hakak and his incredibly efficient staff." View Profile

Dr. Morris Kokhab, MD

Internal Medicine
27 years exp
Accepting New Patients
Upland, CA4.2 mi
Dr. Morris Kokhab, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Santa Monica, CA. He has 27 years of experience. View Profile

Dr. Lisa Sharan Raptis, MD

Internal Medicine
21 years exp
Accepting New Patients
Pomona, CA7.1 mi
"Dr. Raptis was called to see my brother. By reading the reviews it seems like a lto of people don't know what palliative care is and we were the same way." 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.