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Internal Medicine in Fairfield, California

Data updated monthly · Last refresh September 2026

55 Internal Medicine providers practice in Fairfield, and 24% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Fairfield

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Amanda Adkins, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 646-5500
Dr. Amitkumar Patel, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Andrew Glickstein, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 863-4258
Dr. Anit Patel, M.D.
Fairfield, CA · $2,816 in drug and device payments (2025) · Telehealth · (707) 428-2769
Dr. Ankit Dubey, MD
Fairfield, CA · $397 in drug and device payments (2025) · Telehealth · (707) 646-5500
Dr. Ann Chang, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 427-4000
Dr. Cassandra Whitmore, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Charbel Nadra, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4900
Dr. Clarisse Cadang, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 646-3500
Dr. Cong Santoso, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 423-7342
Dr. Daniel Green, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 426-3911
Dr. Daniel Slack, MD
Fairfield, CA · $58 in drug and device payments (2025) · (707) 423-3000
Dr. Dinesh Nagar, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5550
Dr. Elizabeth Fernandes, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 423-5053
Dr. Ella Gupta, D.O
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 428-2745
Dr. Emnet Wassie
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5080
Dr. Eric Crisostomo, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Georgina Jensen, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Gurmeet Sidhu, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Gurpreet Dhugga, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 864-1056
Dr. Hellen Vasquez, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5000
Dr. Irwin Barr, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 427-4000
Dr. Isaac Swartzman, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 423-3000
Dr. James Horodyski, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 429-3600
Dr. Jane Hewitt, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 427-4000
Dr. Jason Whitmore, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Jayesh Patel, MD
Fairfield, CA · $29 in drug and device payments (2025) · Telehealth · (707) 423-2506
Dr. Jeannette Peterson, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 422-0543
Dr. Josefina Arenas, M.D
Fairfield, CA · No drug or device payments recorded (2025) · (707) 422-0900
Dr. Larissa Chartrand, M.D.
Fairfield, CA · $177 in drug and device payments (2025) · Telehealth · (707) 646-5500
Dr. Levon Tchakmakjian, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5500
Dr. Maria Conley, MD
Fairfield, CA · $16 in drug and device payments (2025) · (707) 423-3000
Dr. Matthew Johnson, MD
Fairfield, CA · $163 in drug and device payments (2025) · (707) 423-2506
Dr. Minerva Saqui, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 427-4000
Dr. Myo Chang, MD
Fairfield, CA · $16 in drug and device payments (2025) · (707) 437-1817
Dr. Nail Amro, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 429-3600
Dr. Paarth Shah, MD
Fairfield, CA · $367 in drug and device payments (2025) · Telehealth · (707) 646-5500
Dr. Paresh Pravin, MD
Fairfield, CA · $284 in drug and device payments (2025) · (707) 646-5080
Dr. Pushkar Pandey, M.D.
Fairfield, CA · $109 in drug and device payments (2025) · (707) 429-3600
Dr. Rajmeet Mann, MD
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 646-5500
Dr. Richard Fleming, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 863-4501
Dr. Rory King, DO
Fairfield, CA · No drug or device payments recorded (2025) · (636) 432-9347
Dr. Salimah Boghani, M.D
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5000
Dr. Savita Nallapa, M.D
Fairfield, CA · No drug or device payments recorded (2025) · (707) 437-1818
Dr. Seema Rizvi, DO
Fairfield, CA · No drug or device payments recorded (2025) · Telehealth · (707) 427-4000
Dr. Shulan Ding, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 427-4000
Dr. Son Nguyen, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 423-9484
Dr. Sumera Ahmed, MD
Fairfield, CA · $419 in drug and device payments (2025) · (707) 553-5938
Dr. Svetlana Gutierrez, M.D.
Fairfield, CA · No drug or device payments recorded (2025) · (707) 646-5080
Dr. Tarik Phillip, MD
Fairfield, CA · No drug or device payments recorded (2025) · (707) 254-1774

Conditions Internal Medicine providers in Fairfield, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Fairfield, California?

There are 55 Internal Medicine providers with active NPI records practicing in Fairfield, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Fairfield received drug or device company payments?

13 of 55 (24%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Fairfield treat?

Internal Medicine providers in Fairfield commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Fairfield Internal Medicine across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.