1,564 Internists Found in Fontana, CA – Page 6

We found 1,564 Internists available in Fontana, CA with an average 4 stars across 5,838 reviews. Find the best one for your needs by years of experience, distance, reviews on Vitals, and more through the filters provided below. Currently, 567 Internists listed are accepting new patients and 521 accept Medicare. Showing 301 to 360 of 1,564 Internists.

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Featured Results

Dr. Raghav Sharma, MD

Cardiovascular Disease
Spent time with me
16 years exp
Accepting New Patients
Virtual Visit available
Winter Park, FL
"Outstanding Doctor... easy to talk to and under stand ..." 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

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

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. Rameschandra D Bambhania, MD

Dermatology
Had a good bedside manner
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. 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. Alaa Hajal, MD

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

Dr. George Mousa, MD

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

All Results

Dr. Riteshkumar Bipinchandra Patel, MD

Cardiovascular Disease
20 years exp
Fontana, CA2.0 mi
Dr. Dr. Riteshkumar Bipinchandra Patel, MD is a health care provider primarily located in Fontana, CA. He has 20 years of experience. View Profile

Dr. William Lai, MD

Internal Medicine
22 years exp
Fontana, CA2.0 mi
Dr. Dr. William Lai, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 22 years of experience. View Profile

Dr. Lee-Ling Ong, DO

Internal Medicine
12 years exp
Fontana, CA2.0 mi
Dr. Dr. Lee-Ling Ong, DO is a health care provider primarily located in Fontana, CA, with other offices in Fontana, CA and San Diego, CA(and 3 other locations). View Profile

Dr. Joshua George Milius, MD

Anesthesiology
20 years exp
Fontana, CA2.0 mi
Dr. Dr. Joshua George Milius, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 20 years of experience. View Profile

Dr. Krishna Surti, MD

Vascular & Interventional Radiology
21 years exp
Fontana, CA2.0 mi
Dr. Dr. Krishna Surti, MD is a health care provider primarily located in Fontana, CA. He has 21 years of experience. View Profile

Dr. Alexander Kyungjin Han, MD

Gastroenterology
21 years exp
Accepting New Patients
Fontana, CA2.0 mi
Dr. Dr. Alexander Kyungjin Han, MD is a health care provider primarily located in Fontana, CA, with other offices in Ontario, CA and Ontario, CA. He has 21 years of experience. View Profile

Dr. Sumera Panhwar, MD

Anesthesiology
22 years exp
Fontana, CA2.0 mi
Dr. Dr. Sumera Panhwar, MD is a health care provider primarily located in Fontana, CA. She has 22 years of experience. Her specialties include Internal Medicine, Anesthesiology. View Profile

Dr. Vanessa Cynthia Hoy, MD

Anesthesiology
14 years exp
Fontana, CA2.0 mi
Dr. Dr. Vanessa Cynthia Hoy, MD is a health care provider primarily located in Fontana, CA, with other offices in Fort Lauderdale, FL and Seattle, WA. View Profile

Dr. Sachin Rastogi, MD

Neuroradiology
22 years exp
Fontana, CA2.0 mi
Dr. Dr. Sachin Rastogi, MD is a health care provider primarily located in Fontana, CA, with other offices in Los Angeles, CA and Los Angeles, CA(and 2 other locations). View Profile

Dr. Karen Shih Tan, MD

Emergency Medicine
24 years exp
Fontana, CA2.0 mi
Dr. Dr. Karen Shih Tan, MD is a health care provider primarily located in Fontana, CA, with another office in Fontana, CA. She has 24 years of experience. View Profile

Dr. Julia Yutin Angkadjaja, MD

Ophthalmology
9 years exp
Fontana, CA2.0 mi
Dr. Dr. Julia Yutin Angkadjaja, MD is a health care provider primarily located in Fontana, CA, with another office in Fontana, CA. She has 9 years of experience. View Profile

Dr. Luanna Yang, MD

Allergy & Immunology
12 years exp
Fontana, CA2.0 mi
Dr. Dr. Luanna Yang, MD is a health care provider primarily located in Fontana, CA. She has 12 years of experience. Her specialties include Internal Medicine, Allergy & Immunology. View Profile

Dr. Dien T Ton Ton-That, DO

Internal Medicine
17 years exp
Fontana, CA2.0 mi
Dr. Dr. Dien T Ton Ton-That, DO is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 17 years of experience. View Profile

Dr. Ronald A Spier, DO

Internal Medicine
17 years exp
Fontana, CA2.0 mi
Dr. Dr. Ronald A Spier, DO is a health care provider primarily located in Fontana, CA. He has 17 years of experience. His specialties include Internal Medicine. View Profile

Dr. Qiqing Ge, MD

Diagnostic Radiology
16 years exp
Fontana, CA2.0 mi
Dr. Dr. Qiqing Ge, MD is a health care provider primarily located in Fontana, CA. He has 16 years of experience. His specialties include Internal Medicine, Diagnostic Radiology. View Profile

Dr. Syed Hasan Yusuf, MD

Internal Medicine
23 years exp
Fontana, CA2.0 mi
Dr. Dr. Syed Hasan Yusuf, MD is a health care provider primarily located in Fontana, CA. He has 23 years of experience. His specialties include Internal Medicine. View Profile

Dr. Danish Abbas, MD

Internal Medicine
13 years exp
Fontana, CA2.0 mi
Dr. Dr. Danish Abbas, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 13 years of experience. View Profile

Dr. Weichanmilton Hwang, MD

Hospital Medicine
22 years exp
Fontana, CA2.0 mi
Dr. Dr. Weichanmilton Hwang, MD is a health care provider primarily located in Fontana, CA. He has 22 years of experience. View Profile

Dr. Kevin Mark Spitler, MD

Internal Medicine
14 years exp
Fontana, CA2.0 mi
Dr. Dr. Kevin Mark Spitler, MD is a health care provider primarily located in Fontana, CA, with another office in Los Angeles, CA. He has 14 years of experience. View Profile

Dr. Paula Sunghyon Cho, MD

Internal Medicine
27 years exp
Accepting New Patients
Fontana, CA2.0 mi
Dr. Dr. Paula Sunghyon Cho, MD is a health care provider primarily located in Fontana, CA, with other offices in North Hills, CA and Rancho Cucamonga, CA. View Profile

Dr. Douglas Dung Do, MD

Hospital Medicine
19 years exp
Fontana, CA2.0 mi
Dr. Dr. Douglas Dung Do, MD is a health care provider primarily located in Fontana, CA, with other offices in Fontana, CA and Ontario, CA. He has 19 years of experience. View Profile

Dr. Gary Herbert Wong, MD

Public Health & General Preventive Medicine
41 years exp
Fontana, CA2.0 mi
Dr. Dr. Gary Herbert Wong, MD is a health care provider primarily located in Fontana, CA. He has 41 years of experience. View Profile

Dr. Narmisha Vijay Patel, MD

Internal Medicine
13 years exp
Fontana, CA2.0 mi
Dr. Dr. Narmisha Vijay Patel, MD is a health care provider primarily located in Fontana, CA. She has 13 years of experience. View Profile

Dr. Brian Francis Roehmholdt, MD

Dermatopathology
24 years exp
Fontana, CA2.0 mi
Dr. Dr. Brian Francis Roehmholdt, MD is a health care provider primarily located in Fontana, CA. He has 24 years of experience. View Profile

Dr. Randy Hou, MD

Critical Care Medicine
20 years exp
Fontana, CA2.0 mi
Dr. Dr. Randy Hou, MD is a health care provider primarily located in Fontana, CA. He has 20 years of experience. His specialties include Internal Medicine, Critical Care Medicine. View Profile

Dr. Edmond C Hui, MD

Internal Medicine
36 years exp
Accepting New Patients
Fontana, CA2.0 mi
Dr. Dr. Edmond C Hui, MD is a health care provider primarily located in Fontana, CA, with other offices in Ontario, CA and Ontario, CA. He has 36 years of experience. View Profile

Dr. Johnathan James Chou, MD

Infectious Disease
13 years exp
Fontana, CA2.0 mi
Dr. Dr. Johnathan James Chou, MD is a health care provider primarily located in Fontana, CA. He has 13 years of experience. View Profile

Dr. David Chung Wei Wang, MD

Internal Medicine
12 years exp
Fontana, CA2.0 mi
Dr. Dr. David Chung Wei Wang, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 12 years of experience. View Profile

Dr. Gregory Thomas Havlena, MD

Vascular & Interventional Radiology
17 years exp
Fontana, CA2.0 mi
Dr. Dr. Gregory Thomas Havlena, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. He has 17 years of experience. View Profile

Dr. Mary Hyo Soon Lee-Henderson, MD

Family Medicine
21 years exp
Fontana, CA2.0 mi
Dr. Dr. Mary Hyo Soon Lee-Henderson, MD is a health care provider primarily located in Fontana, CA, with other offices in Torrance, CA and Torrance, CA(and 3 other locations). View Profile

Dr. David Peng Chen, DC

Internal Medicine
11 years exp
Fontana, CA2.0 mi
Dr. Dr. David Peng Chen, DC is a health care provider primarily located in Fontana, CA. He has 11 years of experience. His specialties include Internal Medicine. View Profile

Dr. Deena Patel, DO

Internal Medicine
13 years exp
Fontana, CA2.0 mi
Dr. Dr. Deena Patel, DO is a health care provider primarily located in Fontana, CA. She has 13 years of experience. Her specialties include Internal Medicine, Hospital Medicine. View Profile

Dr. Derek Takming Leung, MD

Internal Medicine
15 years exp
Fontana, CA2.0 mi
Dr. Dr. Derek Takming Leung, MD is a health care provider primarily located in Fontana, CA. He has 15 years of experience. His specialties include Internal Medicine. View Profile

Dr. Sunil Ramnani, MD

Internal Medicine
36 years exp
Fontana, CA2.0 mi
Dr. Dr. Sunil Ramnani, MD is a health care provider primarily located in Fontana, CA, with other offices in Ontario, CA and Bakersfield, CA(and 2 other locations). View Profile

Dr. Vinitha Das, MD

Allergy & Immunology
17 years exp
Fontana, CA2.0 mi
Dr. Dr. Vinitha Das, MD is a health care provider primarily located in Fontana, CA, with other offices in Fontana, CA and Riverside, CA. She has 17 years of experience. View Profile

Dr. Thoyaja Koritala, MD

Internal Medicine
22 years exp
Fontana, CA2.0 mi
Dr. Dr. Thoyaja Koritala, MD is a health care provider primarily located in Fontana, CA, with another office in Fontana, CA. She has 22 years of experience. View Profile

Dr. Samiksha Choudhary, MD

Internal Medicine
13 years exp
Fontana, CA2.0 mi
Dr. Dr. Samiksha Choudhary, MD is a health care provider primarily located in Fontana, CA. She has 13 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Mona T Yazdi, DO

Internal Medicine
9 years exp
Fontana, CA2.0 mi
Dr. Dr. Mona T Yazdi, DO is a health care provider primarily located in Fontana, CA, with other offices in Torrance, CA and Torrance, CA(and 2 other locations). View Profile

Dr. Allyson Agulto Wang, MD

Obstetrics & Gynecology
11 years exp
Fontana, CA2.0 mi
Dr. Dr. Allyson Agulto Wang, MD is a health care provider primarily located in Fontana, CA. She has 11 years of experience. View Profile

Dr. Ankit Takyar, MD

Internal Medicine
8 years exp
Fontana, CA2.0 mi
Dr. Dr. Ankit Takyar, MD is a health care provider primarily located in Fontana, CA, with other offices in Fontana, CA and Mission Viejo, CA(and 4 other locations). View Profile

Dr. Nehali Dushyantbha Patel, MD

Gastroenterology
18 years exp
Fontana, CA2.0 mi
Dr. Dr. Nehali Dushyantbha Patel, MD is a health care provider primarily located in Fontana, CA, with another office in Ontario, CA. She has 18 years of experience. View Profile

Dr. Elnaz Rakhshan, MD

Geriatric Medicine
18 years exp
Fontana, CA2.0 mi
Dr. Dr. Elnaz Rakhshan, MD is a health care provider primarily located in Fontana, CA. She has 18 years of experience. View Profile

Dr. Jung Jin Lee, MD

Public Health & General Preventive Medicine
15 years exp
Fontana, CA2.0 mi
Dr. Dr. Jung Jin Lee, MD is a health care provider primarily located in Fontana, CA. He has 15 years of experience. View Profile

Dr. Hana Nazih Abuershaid, MD

Hospital Medicine
15 years exp
Fontana, CA2.0 mi
Dr. Dr. Hana Nazih Abuershaid, MD is a health care provider primarily located in Fontana, CA, with another office in Fontana, CA. She has 15 years of experience. View Profile

Dr. Elizabeth Abrantes Cadag, MD

Internal Medicine
16 years exp
Fontana, CA2.0 mi
Dr. Dr. Elizabeth Abrantes Cadag, MD is a health care provider primarily located in Fontana, CA. She has 16 years of experience. Her specialties include Internal Medicine. View Profile

Dr. Joseph James Tseng, MD

Internal Medicine
10 years exp
Fontana, CA2.0 mi
Dr. Dr. Joseph James Tseng, MD is a health care provider primarily located in Fontana, CA, with another office in Stanford, CA. He has 10 years of experience. View Profile

Dr. Tarik Ahmed Hussein, MD

Hospital Medicine
24 years exp
Fontana, CA2.0 mi
Dr. Dr. Tarik Ahmed Hussein, MD is a health care provider primarily located in Fontana, CA, with other offices in Hemet, CA and Fontana, CA(and 2 other locations). View Profile

Dr. Ruperto Dilworth Mendiones, MD

Geriatric Medicine
55 years exp
Fontana, CA2.0 mi
Dr. Dr. Ruperto Dilworth Mendiones, MD is a health care provider primarily located in Fontana, CA, with another office in Rancho Cucamonga, CA. He has 55 years of experience. View Profile

Dr. Qing Meng Zhang, MD

Infectious Disease
9 years exp
Fontana, CA2.0 mi
Dr. Dr. Qing Meng Zhang, MD is a health care provider primarily located in Fontana, CA, with another office in Baldwin Park, CA. She has 9 years of experience. View Profile

Dr. Tania Choudhary, MD

Hospital Medicine
8 years exp
Fontana, CA2.0 mi
Dr. Dr. Tania Choudhary, MD is a health care provider primarily located in Fontana, CA, with another office in Mission Viejo, CA. She has 8 years of experience. View Profile

Dr. Angelo M Asheh

Public Health & General Preventive Medicine
9 years exp
Accepting New Patients
Fontana, CA2.0 mi
Dr. Dr. Angelo M Asheh is a health care provider primarily located in Fontana, CA, with other offices in West Palm Beach, FL and La Jolla, CA(and 4 other locations). View Profile

Dr. Prasit Ben Vassantachart, MD

Internal Medicine
48 years exp
Fontana, CA2.0 mi
Dr. Dr. Prasit Ben Vassantachart, MD is a health care provider primarily located in Fontana, CA. He has 48 years of experience. View Profile

Mark Andrew Asef

Nephrology
9 years exp
Accepting New Patients
Fontana, CA2.0 mi
Mark Andrew Asef is a health care provider primarily located in Fontana, CA, with other offices in San Bernardino, CA and Fontana, CA(and 8 other locations). View Profile

Dr. Loan Trung Pham, MD

Internal Medicine
31 years exp
Fontana, CA2.0 mi
Dr. Dr. Loan Trung Pham, MD is a health care provider primarily located in Fontana, CA. He has 31 years of experience. His specialties include Internal Medicine. View Profile

Dr. Jong-Ho Cliff Hwang, MD

Internal Medicine
43 years exp
Fontana, CA2.0 mi
Dr. Dr. Jong-Ho Cliff Hwang, MD is a health care provider primarily located in Fontana, CA. He has 43 years of experience. His specialties include Internal Medicine, Pathology. View Profile

Dr. Kamal Kejriwal, MD

Geriatric Medicine
31 years exp
Fontana, CA2.0 mi
Dr. Dr. Kamal Kejriwal, MD is a health care provider primarily located in Fontana, CA. He has 31 years of experience. View Profile

Dr. Charles Ihong Lu, MD

Nephrology
31 years exp
Fontana, CA2.0 mi
Dr. Dr. Charles Ihong Lu, MD is a health care provider primarily located in Fontana, CA, with another office in Fontana, CA. He has 31 years of experience. View Profile

Dr. Eileen Chien Mccann, MD

Nephrology
16 years exp
Fontana, CA2.0 mi
Dr. Dr. Eileen Chien Mccann, MD is a health care provider primarily located in Fontana, CA, with other offices in Panorama City, CA and Panorama City, CA. View Profile

Dr. Kevin Kokfon Lee, MD

Internal Medicine
38 years exp
Fontana, CA2.0 mi
Dr. Dr. Kevin Kokfon Lee, MD is a health care provider primarily located in Fontana, CA. They have 38 years of experience. Their specialties include Internal Medicine. View Profile

Dr. Wan-Ting Yang, MD

Nephrology
19 years exp
Fontana, CA2.0 mi
Dr. Dr. Wan-Ting Yang, MD is a health care provider primarily located in Fontana, CA. She has 19 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.