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Internal Medicine in Corona, California

Data updated monthly · Last refresh September 2026

53 Internal Medicine providers practice in Corona, and 43% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Corona

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. Adriane Dull
Corona, CA · No drug or device payments recorded (2025) · (951) 339-8459
Dr. Amir Rahnavard, D.O.
Corona, CA · $1,139 in drug and device payments (2025) · (951) 268-6272
Dr. Amit Hiteshi, M.D.
Corona, CA · $247 in drug and device payments (2025) · Telehealth · (951) 493-0037
Dr. Christine Adekayode, DO
Corona, CA · $23 in drug and device payments (2025) · (951) 339-8459
Dr. Christine Duong, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 817-8820
Dr. Christine Sun, M.D.
Corona, CA · No drug or device payments recorded (2025) · (818) 895-3100
Dr. Christos Bovetas, M.D.
Corona, CA · $1,116 in drug and device payments (2025) · Telehealth · (951) 371-2703
Dr. Edward Politoske, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 734-9930
Dr. Ennis Zaitoon, M.D.
Corona, CA · $4,932 in drug and device payments (2025) · Telehealth · (951) 493-6870
Dr. Fadia Attia, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 734-3233
Dr. Farnoosh Farshidi, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Fatima Gauhar, MD
Corona, CA · $143 in drug and device payments (2025) · Telehealth · (951) 493-6910
Dr. Garvin Patel, M.D.
Corona, CA · $80 in drug and device payments (2025) · Telehealth · (951) 281-2730
Dr. George Chidi, M.D.
Corona, CA · $164 in drug and device payments (2025) · Telehealth · (951) 272-5900
Dr. Helen Patzanakidis, M.D.
Corona, CA · $793 in drug and device payments (2025) · Telehealth · (951) 737-1454
Dr. Huong Nguyen, M.D.
Corona, CA · $95 in drug and device payments (2025) · Telehealth · (951) 735-6969
Dr. Imran Hasnain, MD
Corona, CA · $118 in drug and device payments (2025) · Telehealth · (951) 737-1000
Dr. Jack Cochran, MD
Corona, CA · $154 in drug and device payments (2025) · (951) 737-0110
Dr. James Roy, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 734-9930
Dr. Jasmine Leong, M.D.
Corona, CA · $24 in drug and device payments (2025) · Telehealth · (951) 549-0200
Dr. John Yang, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Jun Yuan, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 808-8863
Dr. Laura Nieves, MD
Corona, CA · $774 in drug and device payments (2025) · Telehealth · (951) 554-5778
Dr. Loricar Santos
Corona, CA · No drug or device payments recorded (2025) · (951) 737-4343
Dr. Mario Ficarola, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 493-6926
Dr. Marita Banzuela, M.D.
Corona, CA · No drug or device payments recorded (2025) · (909) 597-1771
Dr. Michael Lam, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 339-8229
Dr. Michael Molinari, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 734-9930
Dr. Michelle Zaki, D.O.
Corona, CA · No drug or device payments recorded (2025) · (951) 293-4722
Dr. Mohammad Mahmud, MD, MPH, PHD
Corona, CA · No drug or device payments recorded (2025) · (951) 340-2178
Dr. Mohammad Shahin, MD
Corona, CA · $83 in drug and device payments (2025) · Telehealth · (951) 493-6805
Dr. Mohammed Qubba, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 339-9700
Dr. Mowbray Hagan, MD
Corona, CA · $508 in drug and device payments (2025) · (951) 734-6110
Dr. Mustafa Al Lami, M.D.
Corona, CA · No drug or device payments recorded (2025) · (818) 238-7828
Dr. Nahlla Dolle, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 549-0900
Dr. Patricia Bogema, D.O.
Corona, CA · No drug or device payments recorded (2025) · Telehealth · (951) 268-1001
Dr. Patrick Bonaparte, M.D.
Corona, CA · No drug or device payments recorded (2025) · (702) 874-4484
Dr. Qais Ayouby, MD
Corona, CA · $393 in drug and device payments (2025) · Telehealth · (951) 543-9344
Dr. Ramesh Gupta, M.D.
Corona, CA · $15 in drug and device payments (2025) · (951) 737-0640
Dr. Richard Corcoran, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 471-2202
Dr. Rishi Patel, M.D.
Corona, CA · No drug or device payments recorded (2025) · (951) 339-8459
Dr. Rona Liu, MD
Corona, CA · No drug or device payments recorded (2025) · (909) 597-1771
Dr. Sameh Sawires, MD
Corona, CA · $43 in drug and device payments (2025) · (951) 676-7175
Dr. Sophia Ho, DO
Corona, CA · No drug or device payments recorded (2025) · (951) 493-6925
Dr. Talat Khan, MD
Corona, CA · $229 in drug and device payments (2025) · (951) 549-0900
Dr. Taral Patel, MD
Corona, CA · $351 in drug and device payments (2025) · (951) 737-4343
Dr. Thai Do, M.D.
Corona, CA · $101 in drug and device payments (2025) · (951) 737-2683
Dr. Thomas Assali, DO
Corona, CA · No drug or device payments recorded (2025) · Telehealth · (951) 737-4343
Dr. Thomas Tran, MD
Corona, CA · $125 in drug and device payments (2025) · (951) 278-5590
Dr. Thong Ngo, DO
Corona, CA · No drug or device payments recorded (2025) · (951) 339-8459

Conditions Internal Medicine providers in Corona, 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 Corona, California?

There are 53 Internal Medicine providers with active NPI records practicing in Corona, according to federal NPPES data refreshed monthly.

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

23 of 53 (43%) 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 Corona treat?

Internal Medicine providers in Corona 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 Corona Internal Medicine across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.