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Internal Medicine in Orange, California

Data updated monthly · Last refresh September 2026

188 Internal Medicine providers practice in Orange, and 40% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Orange

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. James Fry, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Jane Abdelhadi, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 639-9401
Dr. Jasleen Grewal, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6693
Dr. Jay Amin, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 235-3959
Dr. Jay Ramsay
Orange, CA · $86 in drug and device payments (2025) · (569) 171-4456
Dr. Jeffrey Hughes
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-6693
Dr. Jeffrey Thomas
Orange, CA · $18 in drug and device payments (2025) · (855) 434-7763
Dr. Jennifer Kim
Orange, CA · $28 in drug and device payments (2025) · (714) 456-5691
Dr. Jerry Tsai, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-1011
Dr. Jessica Kim, MD
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-7016
Dr. John Godes, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 538-2003
Dr. John Kim, MD
Orange, CA · $274 in drug and device payments (2025) · (323) 728-7232
Dr. Johnny Do, M.D.
Orange, CA · $88 in drug and device payments (2025) · (714) 771-8000
Dr. Johnny Ju, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6693
Dr. Joseph Haquang
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Joshua Chan, DO, MS
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Joyce Limurti, D.O
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Julie Leahy, NP
Orange, CA · No drug or device payments recorded (2025) · (714) 289-3904
Dr. Kasra Morshedizadeh, M.D.
Orange, CA · $231 in drug and device payments (2025) · (714) 639-2600
Dr. Katayoon Shahrokh, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-8874
Dr. Katayun Saadai, MD
Orange, CA · $1,093 in drug and device payments (2025) · Telehealth · (714) 361-6600
Dr. Kate Monahan, DO
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 628-3230
Dr. Kathleen Glaspy, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 628-3110
Dr. Kenneth Shortt, M.D.
Orange, CA · $54 in drug and device payments (2025) · (714) 456-8888
Dr. Kevin Mcbride, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 771-8177
Dr. Kevin Tang, MD, MMS
Orange, CA · $753 in drug and device payments (2025) · (714) 456-5691
Dr. Kevin Truong, MD, MBA
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-8888
Dr. Kirtan Upadhyaya, MD
Orange, CA · $20 in drug and device payments (2025) · (714) 456-5691
Dr. Kumar Gandhi, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 633-4600
Dr. Kusum Ohri, M.D.
Orange, CA · $730 in drug and device payments (2025) · Telehealth · (714) 639-0414
Dr. Lan Nguyen, MD
Orange, CA · $124 in drug and device payments (2025) · (714) 456-8978
Dr. Laura Cho, M.D.
Orange, CA · $109 in drug and device payments (2025) · (714) 628-3120
Dr. Lauren Chen, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Lloyd Rucker, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-2986
Dr. Lulu Yang, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 639-2600
Dr. Macrina Rosas Rosas
Orange, CA · No drug or device payments recorded (2025) · (714) 500-0356
Dr. Mahesh Shah, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 288-1012
Dr. Malavika Mehta, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Malik Salman, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Mansi Kothari, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-6745
Dr. Marian Assal, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 925-4233
Dr. Maria Victoria Peralta, M.D.
Orange, CA · $16 in drug and device payments (2025) · (714) 456-8888
Dr. Marie Balfour, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Mark Rodrigues, M.D.
Orange, CA · $2,193 in drug and device payments (2025) · Telehealth · (714) 245-9900
Dr. Marrey Ruby Quizon, MD
Orange, CA · $1,794 in drug and device payments (2025) · Telehealth · (714) 456-5413
Dr. Martha Sosa-johnson, MD
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-8978
Dr. Maryam Rahimi, MD
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-7016
Dr. Mavis Peng, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Maximo Diamond, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 221-5182
Dr. Meghan Dekitani, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888

Conditions Internal Medicine providers in Orange, 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 Orange, California?

There are 188 Internal Medicine providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

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

76 of 188 (40%) 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 Orange treat?

Internal Medicine providers in Orange 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 Orange 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.