697 Internists Found in Ontario, CA – Page 9

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 481 to 540 of 697 Internists.

Filter Internists Results

Featured 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. Raghav Sharma, MD

Cardiovascular Disease
Had a good bedside manner
16 years exp
Accepting New Patients
Virtual Visit available
Winter Park, FL
"Outstanding Doctor... easy to talk to and under stand ..." 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

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

Family Medicine
Accepting New Patients
Virtual Visit available
SUWANEE, GA

Dr. Virginia Von Schaefer, MD

Oncology
Spent time with me
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. 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. 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

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

All Results

Dr. David Montenegro Sapien, MD

Internal Medicine
20 years exp
Accepting New Patients
Pomona, CA7.1 mi
Dr. David Montenegro Sapien, MD is a health care provider primarily located in Pomona, CA, with other offices in Pomona, CA and Pomona, CA(and 4 other locations). View Profile

Dr. Neal Sheldon Bricker, MD

Internal Medicine
77 years exp
Upland, CA6.7 mi
Dr. Neal Sheldon Bricker, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Claremont, CA. They have 77 years of experience. View Profile

Dr. Atia Shah, MD

Infectious Disease
23 years exp
Accepting New Patients
Claremont, CA7.1 mi
"I am fortunate to have Dr. Shah as an advocate. Dr. Shah takes the time needed to fully assess my needs. I have a condition that is not common to my area." View Profile

Dr. Alon Simcha Englanoff, MD

Internal Medicine
23 years exp
Accepting New Patients
Pomona, CA7.4 mi
Dr. Alon Simcha Englanoff, MD is a health care provider primarily located in Pomona, CA, with other offices in Costa Mesa, CA and Commerce, CA(and 3 other locations). View Profile

Dr. Rona Di Liu, MD

Internal Medicine
43 years exp
Rancho Cucamonga, CA2.6 mi
Dr. Rona Di Liu, MD is a health care provider primarily located in Rancho Cucamonga, CA, with other offices in Eastvale, CA and Corona, CA. She has 43 years of experience. View Profile

Dr. Jennifer Younghee Kim

Pediatrics
27 years exp
Accepting New Patients
Upland, CA2.7 mi
Dr. Jennifer Younghee Kim is a health care provider primarily located in Upland, CA, with another office in Upland, CA. She has 27 years of experience. View Profile

Dr. Muhammad Bader Hammami, MD

Gastroenterology
17 years exp
Accepting New Patients
Pomona, CA7.5 mi
Dr. Muhammad Bader Hammami, MD is a health care provider primarily located in Pomona, CA, with other offices in Loma Linda, CA and Redlands, CA(and 3 other locations). View Profile

Dr. Graham Thomas Mitchell, MD

Psychiatry
19 years exp
Rancho Cucamonga, CA5.0 mi
Dr. Graham Thomas Mitchell, MD is a health care provider primarily located in Rancho Cucamonga, CA. He has 19 years of experience. View Profile

Dr. Mohammad Mahmoud Yaqub, MD

Hospital Medicine
22 years exp
Fontana, CA7.8 mi
Dr. Mohammad Mahmoud Yaqub, MD is a health care provider primarily located in Fontana, CA, with other offices in Loxahatchee, FL and Atlantis, FL(and 2 other locations). View Profile

Dr. Deepthi Kumara Jayasekara, MD

Internal Medicine
34 years exp
Accepting New Patients
Claremont, CA7.1 mi
Dr. Deepthi Kumara Jayasekara, MD is a health care provider primarily located in Claremont, CA, with other offices in San Dimas, CA and Baldwin Park, CA(and 4 other locations). View Profile

Dr. Decerie Baculi Dayag, MD

Internal Medicine
12 years exp
Upland, CA3.4 mi
Dr. Decerie Baculi Dayag, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. She has 12 years of experience. View Profile

Dr. Jay Theodore Jablow

Internal Medicine
63 years exp
Upland, CA3.2 mi
Dr. Jay Theodore Jablow is a health care provider primarily located in Upland, CA, with other offices in Anaheim, CA and Claremont, CA. He has 63 years of experience. View Profile

Dr. Alfredo Buaron Dadivas, MD

Family Medicine
41 years exp
Accepting New Patients
Fontana, CA8.8 mi
Dr. Alfredo Buaron Dadivas, MD is a health care provider primarily located in Fontana, CA. He has 41 years of experience. View Profile

Dr. Hatem Mohamed Hassan Ali, MD

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

Dr. Vincent Joseph Carollo

Internal Medicine
64 years exp
Upland, CA3.3 mi
Dr. Vincent Joseph Carollo is a health care provider primarily located in Upland, CA. He has 64 years of experience. His specialties include Internal Medicine. View Profile

Kevin Hong Yang

Nurse Practitioner
UPLAND, CA3.3 mi
Kevin Hong Yang is a health care provider primarily located in UPLAND, CA, with other offices in Upland, CA and UPLAND, CA. View Profile

Holly Lynn Nikodym

Nurse Practitioner
UPLAND, CA3.3 mi
Holly Lynn Nikodym is a health care provider primarily located in UPLAND, CA, with another office in UPLAND, CA. Her specialties include Internal Medicine, Nurse Practitioner. View Profile

Veronica Silva

Internal Medicine
Accepting New Patients
Upland, CA3.3 mi
Veronica Silva is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Warren C Fan

Cardiovascular Disease
60 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Warren C Fan is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Upland, CA(and 4 other locations). He has 60 years of experience. View Profile

Dr. Tahir Haytoglu, MD

Endocrinology, Diabetes & Metabolism
30 years exp
Accepting New Patients
UPLAND, CA3.4 mi
Dr. Tahir Haytoglu, MD is a health care provider primarily located in UPLAND, CA, with other offices in UPLAND, CA and Glendora, CA(and 2 other locations). View Profile

Dr. Bradley Restivo

Internal Medicine
10 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Bradley Restivo is a health care provider primarily located in Upland, CA. He has 10 years of experience. His specialties include Internal Medicine. View Profile

Dr. Mitali Chumki Mitra, MD

Pediatrics
39 years exp
Accepting New Patients
Pomona, CA7.2 mi
Dr. Mitali Chumki Mitra, MD is a health care provider primarily located in Pomona, CA, with another office in Pomona, CA. She has 39 years of experience. View Profile

Dr. Sadia Fatima Moinuddin, MD

Internal Medicine
15 years exp
Upland, CA3.4 mi
Dr. Sadia Fatima Moinuddin, MD is a health care provider primarily located in Upland, CA, with other offices in Montclair, CA and Upland, CA(and 4 other locations). View Profile

Dr. Samit Bhatheja, MD

Interventional Cardiology
20 years exp
Accepting New Patients
UPLAND, CA3.4 mi
Dr. Samit Bhatheja, MD is a health care provider primarily located in UPLAND, CA, with other offices in UPLAND, CA and Upland, CA. He has 20 years of experience. View Profile

Dr. Kevin Nimal Gamage, MD

Internal Medicine
Pomona, CA7.9 mi
Dr. Kevin Nimal Gamage, MD is a health care provider primarily located in Pomona, CA. Their specialties include Internal Medicine. View Profile

Dr. Priyanka Yaramada

Gastroenterology
18 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Priyanka Yaramada is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and RANCHO CUCAMONGA, CA(and 5 other locations). View Profile

Dr. Andrew Christopher Ong, MD

Diagnostic Radiology
10 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Andrew Christopher Ong, MD is a health care provider primarily located in Upland, CA, with other offices in Baltimore, MD and Los Angeles, CA(and 2 other locations). View Profile

Dr. Tuan Hoang, MD

Internal Medicine
41 years exp
Upland, CA3.4 mi
Dr. Tuan Hoang, MD is a health care provider primarily located in Upland, CA, with other offices in Colton, CA and Chino, CA(and 2 other locations). He has 41 years of experience. View Profile

Dr. Fouad Deryas Tawadrous, MD

Internal Medicine
72 years exp
Upland, CA3.4 mi
Dr. Fouad Deryas Tawadrous, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 72 years of experience. View Profile

Dr. Nona Eulalia Diongzon Santiago

Internal Medicine
Upland, CA3.4 mi
Dr. Nona Eulalia Diongzon Santiago is a health care provider primarily located in Upland, CA. Her specialties include Internal Medicine. View Profile

Dr. Justin Roy Camara, MD

Vascular & Interventional Radiology
12 years exp
Upland, CA3.4 mi
Dr. Justin Roy Camara, MD is a health care provider primarily located in Upland, CA, with other offices in Roslyn, NY and Rockville Centre, NY(and 10 other locations). View Profile

Dr. Neil Anand, MD

Diagnostic Radiology
13 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Neil Anand, MD is a health care provider primarily located in Upland, CA, with other offices in Fullerton, CA and Tracy, CA(and 60 other locations). View Profile

Dr. Sheeba Rajneesh Anand, MD

Oncology
20 years exp
Upland, CA3.4 mi
Dr. Sheeba Rajneesh Anand, MD is a health care provider primarily located in Upland, CA, with another office in Terre Haute, IN. She has 20 years of experience. View Profile

Dr. Evelyn Diane Lorents, MD

Diagnostic Radiology
14 years exp
Upland, CA3.4 mi
Dr. Evelyn Diane Lorents, MD is a health care provider primarily located in Upland, CA, with other offices in Oklahoma City, OK and Modesto, CA(and 47 other locations). View Profile

Dr. Krishna Anurag Pulumati, MD

Cardiovascular Disease
17 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Krishna Anurag Pulumati, MD is a health care provider primarily located in Upland, CA, with other offices in Rancho Cucamonga, CA and Upland, CA. He has 17 years of experience. View Profile

Dr. Pedro M Lopez, MD

Anesthesiology
43 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Pedro M Lopez, MD is a health care provider primarily located in Upland, CA. He has 43 years of experience. His specialties include Internal Medicine, Anesthesiology. View Profile

Dr. Peter Yoo, MD

Neuroradiology
24 years exp
Upland, CA3.4 mi
Dr. Peter Yoo, MD is a health care provider primarily located in Upland, CA. He has 24 years of experience. View Profile

Dr. Heena Ankit Shah-Patel, MD

Allergy & Immunology
17 years exp
Upland, CA3.4 mi
Dr. Heena Ankit Shah-Patel, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Riverside, CA(and 2 other locations). View Profile

Dr. Brandon Tong, DO

Internal Medicine
15 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Brandon Tong, DO is a health care provider primarily located in Upland, CA, with other offices in Rancho Cucamonga, CA and Upland, CA(and 5 other locations). View Profile

Dr. Adiofel Mark Fidellaga Mendoza, MD

Internal Medicine
12 years exp
Upland, CA3.4 mi
Dr. Adiofel Mark Fidellaga Mendoza, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 12 years of experience. View Profile

Dr. Truong Son Dinh

Internal Medicine
Upland, CA3.4 mi
Dr. Truong Son Dinh is a health care provider primarily located in Upland, CA. His specialties include Internal Medicine. View Profile

Dr. Farjahan Johir Chowdhury

Internal Medicine
Upland, CA3.4 mi
Dr. Farjahan Johir Chowdhury is a health care provider primarily located in Upland, CA. His specialties include Internal Medicine. View Profile

Dr. Steven Andrew Floum, MD

Internal Medicine
28 years exp
Upland, CA3.4 mi
Dr. Steven Andrew Floum, MD is a health care provider primarily located in Upland, CA, with other offices in San Dimas, CA and Upland, CA(and 2 other locations). View Profile

Dr. Rachel Lee, MD

Internal Medicine
Accepting New Patients
Upland, CA3.4 mi
Dr. Rachel Lee, MD is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Shahrukh Mohsin

Internal Medicine
7 years exp
Upland, CA3.4 mi
Dr. Shahrukh Mohsin is a health care provider primarily located in Upland, CA, with other offices in Colton, CA and Upland, CA(and 6 other locations). He has 7 years of experience. View Profile

Dr. Ivan Ernesto Leroux

Internal Medicine
6 years exp
Upland, CA3.4 mi
Dr. Ivan Ernesto Leroux is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Los Angeles, CA. He has 6 years of experience. View Profile

Dr. Chung Yao Yu

Internal Medicine
10 years exp
Upland, CA3.4 mi
Dr. Chung Yao Yu is a health care provider primarily located in Upland, CA. He has 10 years of experience. His specialties include Internal Medicine. View Profile

Dr. Francis Alejandro Mendez Munduate, MD

Internal Medicine
16 years exp
Upland, CA3.4 mi
Dr. Francis Alejandro Mendez Munduate, MD is a health care provider primarily located in Upland, CA, with another office in Upland, CA. He has 16 years of experience. View Profile

Dr. George Moran, MD

Internal Medicine
8 years exp
Upland, CA3.4 mi
Dr. George Moran, MD is a health care provider primarily located in Upland, CA, with other offices in Upland, CA and Pomona, CA(and 5 other locations). View Profile

Dr. Timothy Yo Wu, MD

Internal Medicine
8 years exp
Upland, CA3.4 mi
Dr. Timothy Yo Wu, MD is a health care provider primarily located in Upland, CA, with other offices in Montclair, CA and Stratford, NJ(and 5 other locations). View Profile

Dr. Bhavi Paresh Pandya, MD

Internal Medicine
16 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Bhavi Paresh Pandya, MD is a health care provider primarily located in Upland, CA, with other offices in Pomona, CA and Upland, CA(and 2 other locations). View Profile

Dr. Zaid Khan, MD

Internal Medicine
Accepting New Patients
Upland, CA3.4 mi
Dr. Zaid Khan, MD is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Jeremiah Aaron Jansen, MD

Diagnostic Radiology
20 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Jeremiah Aaron Jansen, MD is a health care provider primarily located in Upland, CA, with other offices in Secaucus, NJ and Edmond, OK(and 15 other locations). View Profile

Dr. Ythanh Duy Nguyen, MD

Internal Medicine
24 years exp
Upland, CA3.4 mi
Dr. Ythanh Duy Nguyen, MD is a health care provider primarily located in Upland, CA. She has 24 years of experience. Her specialties include Internal Medicine, Hospital Medicine. View Profile

Alexander Orlando Richard Urzua

Addiction Medicine
67 years exp
Accepting New Patients
Upland, CA3.4 mi
Alexander Orlando Richard Urzua is a health care provider primarily located in Upland, CA, with other offices in COLUMBUS, OH and Greenville, NC(and 2052 other locations).

Dr. Ahmed Al-Waisi

Internal Medicine
19 years exp
Upland, CA3.4 mi
Dr. Ahmed Al-Waisi is a health care provider primarily located in Upland, CA, with other offices in BROOKLYN, NY and San Bernardino, CA. He has 19 years of experience. View Profile

Dr. Hsin-Chen Liu

Internal Medicine
8 years exp
Upland, CA3.4 mi
Dr. Hsin-Chen Liu is a health care provider primarily located in Upland, CA, with other offices in Los Angeles, CA and Pomona, CA(and 5 other locations). View Profile

Dr. Nikita Parag Shah

Internal Medicine
6 years exp
Accepting New Patients
Upland, CA3.4 mi
Dr. Nikita Parag Shah is a health care provider primarily located in Upland, CA, with other offices in Riverside, CA and Upland, CA(and 2 other locations). View Profile

Dr. Atif Qadeer, MD

Internal Medicine
29 years exp
Upland, CA3.4 mi
Dr. Atif Qadeer, MD is a health care provider primarily located in Upland, CA, with other offices in Montclair, CA and Upland, CA(and 3 other locations). View Profile

Dr. David Edward Engelhardt, MD

Internal Medicine
39 years exp
Upland, CA3.4 mi
Dr. David Edward Engelhardt, MD is a health care provider primarily located in Upland, CA. He has 39 years of experience. His specialties include Internal Medicine. 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.