1,561 Internists Found in Fontana, CA – Page 26

We found 1,561 Internists available in Fontana, CA with an average 4 stars across 5,810 reviews. Find the best one for your needs by years of experience, distance, reviews on Vitals, and more through the filters provided below. Currently, 565 Internists listed are accepting new patients and 520 accept Medicare. Showing 1,501 to 1,560 of 1,561 Internists.

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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. 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. Rajmeet Kaur Mann, MD

Internal Medicine
8 years exp
Accepting New Patients
Virtual Visit available
Rocklin, CA
Dr. Rajmeet Kaur Mann, MD, is an internal medicine physician who provides primary care, urgent care, and virtual healthcare services at 5 Rivers Health in Rocklin, California. 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. Dr. Karanbir Brar

Geriatric Medicine
Provided follow-up after the visit
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. Michael Gray, MD

Family Medicine
Gave an accurate diagnosis
31 years exp
Accepting New Patients
Virtual Visit available
Annapolis, MD
"Two of the greatest doctors that really care. Clean facility, quiet, and the staff is very nice. Dr. Michael Gray is easy to talk to about your medical problem." View Profile

Dr. Adama Diarra, DO

Internal Medicine
Gave an accurate diagnosis
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

Benjamin Domingo, FNP

Integrative Medicine
28 years exp
Accepting New Patients
Virtual Visit available
Chicago, IL
Benjamin Domingo, APRN is a Board-certified Family Nurse Practitioner with 20+ years of healthcare experience, including primary care and advanced training in obesity medicine. View Profile

All Results

Dr. Michael Seung Oh, MD

Neurology
18 years exp
Ontario, CA9.4 mi
Dr. Dr. Michael Seung Oh, MD is a health care provider primarily located in Ontario, CA. He has 18 years of experience. His specialties include Internal Medicine, Neurology. View Profile

Dr. Janet Cheryl Yang, MD

Gastroenterology
22 years exp
Accepting New Patients
Ontario, CA9.4 mi
Dr. Dr. Janet Cheryl Yang, MD is a health care provider primarily located in Ontario, CA, with other offices in Los Angeles, CA and Los Angeles, CA(and 2 other locations). View Profile

Dr. Miten Vasa, MD

Rheumatology
19 years exp
Ontario, CA9.4 mi
Dr. Dr. Miten Vasa, MD is a health care provider primarily located in Ontario, CA. He has 19 years of experience. His specialties include Internal Medicine, Rheumatology. View Profile

Dr. Paul Lim, MD

Internal Medicine
35 years exp
Ontario, CA9.4 mi
Dr. Dr. Paul Lim, MD is a health care provider primarily located in Ontario, CA, with another office in Ontario, CA. He has 35 years of experience. View Profile

Dr. Esther Yeajin Kwon, MD

Geriatric Medicine
13 years exp
Ontario, CA9.4 mi
Dr. Dr. Esther Yeajin Kwon, MD is a health care provider primarily located in Ontario, CA, with other offices in Ontario, CA and Diamond Bar, CA. She has 13 years of experience. View Profile

Dr. Nehali Dushyantbha Patel, MD

Gastroenterology
18 years exp
Ontario, CA9.4 mi
Dr. Dr. Nehali Dushyantbha Patel, MD is a health care provider primarily located in Ontario, CA. She has 18 years of experience. View Profile

Dr. Athena Theresa Alexander, MD

Internal Medicine
13 years exp
Ontario, CA9.4 mi
Dr. Dr. Athena Theresa Alexander, MD is a health care provider primarily located in Ontario, CA. She has 13 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Annie Park, MD

Oncology
11 years exp
Ontario, CA9.4 mi
Dr. Dr. Annie Park, MD is a health care provider primarily located in Ontario, CA, with another office in Loma Linda, CA. She has 11 years of experience. View Profile

Dr. Mihee Park, MD

Oncology
11 years exp
Ontario, CA9.4 mi
Dr. Dr. Mihee Park, MD is a health care provider primarily located in Ontario, CA. She has 11 years of experience. Her specialties include Internal Medicine, Oncology, Hematology. View Profile

Dr. Linh Ngoc Truong, MD

Internal Medicine
16 years exp
Ontario, CA9.4 mi
Dr. Dr. Linh Ngoc Truong, MD is a health care provider primarily located in Ontario, CA. She has 16 years of experience. View Profile

Dr. Ragu Sivarajan, MD

Internal Medicine
13 years exp
Ontario, CA9.4 mi
Dr. Dr. Ragu Sivarajan, MD is a health care provider primarily located in Ontario, CA. He has 13 years of experience. His specialties include Internal Medicine, Hospital Medicine. View Profile

Dr. Mukti Tripathi

Internal Medicine
22 years exp
Ontario, CA9.4 mi
Dr. Dr. Mukti Tripathi is a health care provider primarily located in Ontario, CA, with other offices in Baldwin Park, CA and Ontario, CA. She has 22 years of experience. View Profile

Dr. Doh Joon Park

Internal Medicine
6 years exp
Ontario, CA9.4 mi
Dr. Dr. Doh Joon Park is a health care provider primarily located in Ontario, CA, with another office in Ontario, CA. He has 6 years of experience. View Profile

Dr. Samuel Minkee Shin

Internal Medicine
15 years exp
Ontario, CA9.4 mi
Dr. Dr. Samuel Minkee Shin is a health care provider primarily located in Ontario, CA. He has 15 years of experience. His specialties include Internal Medicine, Radiation Oncology. View Profile

Dr. Wei Lin Chen, DO

Internal Medicine
18 years exp
Accepting New Patients
Ontario, CA9.4 mi
Dr. Dr. Wei Lin Chen, DO is a health care provider primarily located in Ontario, CA, with other offices in Ontario, CA and Arcadia, CA. He has 18 years of experience. View Profile

Dr. Isil Uzun Smith

Internal Medicine
15 years exp
Accepting New Patients
Ontario, CA9.4 mi
Dr. Dr. Isil Uzun Smith is a health care provider primarily located in Ontario, CA, with other offices in Arcadia, CA and Arcadia, CA(and 2 other locations). View Profile

Dr. Tingwei Michael Ou, MD

Surgery
17 years exp
Riverside, CA9.4 mi
Dr. Dr. Tingwei Michael Ou, MD is a health care provider primarily located in Riverside, CA, with another office in Corona, CA. He has 17 years of experience. View Profile

Dr. Decerie Baculi Dayag, MD

Internal Medicine
12 years exp
Upland, CA10.0 mi
Dr. 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. Joseph Abraham Gordon, MD

Critical Care Medicine
14 years exp
Upland, CA10.0 mi
Dr. Dr. Joseph Abraham Gordon, MD is a health care provider primarily located in Upland, CA, with other offices in Ontario, CA and Upland, CA. He has 14 years of experience. View Profile

Dr. Huafeng Shen, MD

Gastroenterology
21 years exp
Accepting New Patients
Eastvale, CA9.5 mi
Dr. Dr. Huafeng Shen, MD is a health care provider primarily located in Eastvale, CA, with other offices in Corona, CA and Los Alamitos, CA(and 10 other locations). View Profile

Dr. Jose B Delallana, MD

Family Medicine
Accepting New Patients
San Bernardino, CA9.8 mi
Dr. Dr. Jose B Delallana, MD is a health care provider primarily located in San Bernardino, CA. Their specialties include Internal Medicine, Family Medicine. View Profile

Dr. Ghassan Abdullah

Internal Medicine
34 years exp
San Bernardino, CA9.8 mi
Dr. Dr. Ghassan Abdullah is a health care provider primarily located in San Bernardino, CA. He has 34 years of experience. His specialties include Internal Medicine, Rheumatology. View Profile

Dr. Tahir Haytoglu, MD

Endocrinology, Diabetes & Metabolism
30 years exp
Accepting New Patients
Upland, CA9.8 mi
Dr. 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. Vincent Joseph Carollo

Internal Medicine
64 years exp
Upland, CA9.8 mi
Dr. 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

Dr. Lakshita Gupta

Internal Medicine
12 years exp
Upland, CA9.8 mi
Dr. Dr. Lakshita Gupta is a health care provider primarily located in Upland, CA, with other offices in Redlands, CA and Redlands, CA(and 2 other locations). View Profile

Veronica Silva

Internal Medicine
Accepting New Patients
Upland, CA9.8 mi
Veronica Silva is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Samit Bhatheja, MD

Interventional Cardiology
20 years exp
Accepting New Patients
Upland, CA9.8 mi
Dr. 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. Jay Theodore Jablow

Internal Medicine
63 years exp
Upland, CA9.9 mi
Dr. 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. Saied Ibrahim Saied, MD

Internal Medicine
41 years exp
Accepting New Patients
Riverside, CA9.9 mi
Dr. Dr. Saied Ibrahim Saied, MD is a health care provider primarily located in Riverside, CA, with other offices in Los Angeles, CA and Corona, CA(and 8 other locations). View Profile

Dr. Pedro M Lopez, MD

Anesthesiology
43 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Jeremiah Aaron Jansen, MD

Diagnostic Radiology
20 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Evelyn Diane Lorents, MD

Diagnostic Radiology
14 years exp
Upland, CA10.0 mi
Dr. 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. Peter Yoo, MD

Neuroradiology
24 years exp
Upland, CA10.0 mi
Dr. Dr. Peter Yoo, MD is a health care provider primarily located in Upland, CA. He has 24 years of experience. View Profile

Dr. Zaid Khan, MD

Internal Medicine
Accepting New Patients
Upland, CA10.0 mi
Dr. Dr. Zaid Khan, MD is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. David Edward Engelhardt, MD

Internal Medicine
39 years exp
Upland, CA10.0 mi
Dr. 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

Dr. Sadia Fatima Moinuddin, MD

Internal Medicine
15 years exp
Upland, CA10.0 mi
Dr. 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. Adiofel Mark Fidellaga Mendoza, MD

Internal Medicine
12 years exp
Upland, CA10.0 mi
Dr. 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. Ythanh Duy Nguyen, MD

Internal Medicine
24 years exp
Upland, CA10.0 mi
Dr. Dr. Ythanh Duy Nguyen, MD is a health care provider primarily located in Upland, CA. She has 24 years of experience. View Profile

Dr. Justin Roy Camara, MD

Vascular & Interventional Radiology
12 years exp
Upland, CA10.0 mi
Dr. 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

Kevin Hong Yang

Nurse Practitioner
Upland, CA10.0 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

Dr. Neil Anand, MD

Diagnostic Radiology
13 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Andrew Christopher Ong, MD

Diagnostic Radiology
10 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Ye Min Oo

Infectious Disease
15 years exp
Upland, CA10.0 mi
Dr. Dr. Ye Min Oo is a health care provider primarily located in Upland, CA, with other offices in Pomona, CA and Ontario, CA(and 2 other locations). He has 15 years of experience. View Profile

Dr. Jennifer Younghee Kim

Pediatrics
27 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Steven Andrew Floum, MD

Internal Medicine
28 years exp
Upland, CA10.0 mi
Dr. 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, CA10.0 mi
Dr. Dr. Rachel Lee, MD is a health care provider primarily located in Upland, CA. Their specialties include Internal Medicine. View Profile

Dr. Anthony Gan, MD

Critical Care Medicine
12 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. Dr. Anthony Gan, MD is a health care provider primarily located in Upland, CA, with other offices in Pomona, CA and Ontario, CA(and 2 other locations). View Profile

Dr. Ahmed Al-Waisi

Internal Medicine
19 years exp
Upland, CA10.0 mi
Dr. 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. Truong Son Dinh

Internal Medicine
Upland, CA10.0 mi
Dr. 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, CA10.0 mi
Dr. Dr. Farjahan Johir Chowdhury is a health care provider primarily located in Upland, CA. His specialties include Internal Medicine. View Profile

Dr. Nona Eulalia Diongzon Santiago

Internal Medicine
Upland, CA10.0 mi
Dr. Dr. Nona Eulalia Diongzon Santiago is a health care provider primarily located in Upland, CA. Her specialties include Internal Medicine. View Profile

Dr. Hsin-Chen Liu

Internal Medicine
8 years exp
Upland, CA10.0 mi
Dr. 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. Fouad Deryas Tawadrous, MD

Internal Medicine
72 years exp
Upland, CA10.0 mi
Dr. 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. Bhavi Paresh Pandya, MD

Internal Medicine
16 years exp
Accepting New Patients
Upland, CA10.0 mi
Dr. 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. Sheeba Rajneesh Anand, MD

Oncology
20 years exp
Upland, CA10.0 mi
Dr. 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. Francis Alejandro Mendez Munduate, MD

Internal Medicine
16 years exp
Upland, CA10.0 mi
Dr. 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. Timothy Yo Wu, MD

Internal Medicine
8 years exp
Upland, CA10.0 mi
Dr. 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. George Moran JR., MD

Internal Medicine
8 years exp
Upland, CA10.0 mi
Dr. 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. Chung Yao Yu

Internal Medicine
10 years exp
Upland, CA10.0 mi
Dr. 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. Ivan Ernesto Leroux

Internal Medicine
6 years exp
Upland, CA10.0 mi
Dr. 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

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 Fontana 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 Fontana 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 Fontana who offer virtual appointments?
Select the "Virtual Visit" filter at the top of the search page to see Internists providing telehealth services in Fontana. 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 Fontana?
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 Fontana?
Visit individual doctor profiles to see their current scheduling availability in Fontana. 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 Fontana have the shortest wait times?
Review the Ratings & Reviews card on each provider's profile to see their average wait time in Fontana. This helps you find an Internist that doesn’t make their patients wait too long.
Can I schedule appointments with Internists in Fontana 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 Fontana with evening or weekend hours?
Check the Locations card on each profile to view office hours for Internists in Fontana. 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 Fontana?
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 Fontana 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 Fontana 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.