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Internal Medicine in Los Angeles, California

Data updated monthly · Last refresh September 2026

1,417 Internal Medicine providers practice in Los Angeles, and 31% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Los Angeles

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. Tammy Wan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-4083
Dr. Tanya Haddadin, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Tasnin Khan, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-8000
Dr. Tawny Marie Nocon-patalinjug, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Taylor Attar, DO
Los Angeles, CA · $125 in drug and device payments (2025) · Telehealth · (310) 996-9355
Dr. Teresa Merced, MD
Los Angeles, CA · $445 in drug and device payments (2025) · (310) 556-0335
Dr. Terri Leigh Abe, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2662
Dr. Terry Jerge, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-1138
Dr. Teryl Nuckols, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Thanavut Jiansakul, M.D.
Los Angeles, CA · $196 in drug and device payments (2025) · (562) 867-7999
Dr. Thanh Neville, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 309-0707
Dr. Than Ma
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 254-5291
Dr. Theingi Oo, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 662-0492
Dr. Theodore Shu, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Thien-kim Co, DO
Los Angeles, CA · $511 in drug and device payments (2025) · (323) 268-5000
Dr. Thomas Ahn, MD
Los Angeles, CA · $2,565 in drug and device payments (2025) · (310) 277-7600
Dr. Thomas Buchanan, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-9576
Dr. Thomas Hascall, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 634-3850
Dr. Thomas Kanegae, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-1030
Dr. Thomas Magee, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 207-5030
Dr. Thomas Mattimore, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 319-4377
Dr. Thomas Tom, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Thomas Yoshikawa, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (562) 427-5363
Dr. Thuan Nguyen
Los Angeles, CA · $82 in drug and device payments (2025) · (213) 977-2121
Dr. Tiffany Chow, MD
Los Angeles, CA · $663 in drug and device payments (2025) · (323) 442-2807
Dr. Timothy Pham, MD
Los Angeles, CA · $50 in drug and device payments (2025) · (323) 857-2000
Dr. Timothy Reynolds, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-1188
Dr. Timothy Tran, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 783-4011
Dr. Tina Kantaria, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Tina Mosaferi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Tin Botzler, MD
Los Angeles, CA · $839 in drug and device payments (2025) · Telehealth · (323) 409-7531
Dr. Ting-lin Kao, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 253-2677
Dr. Tish Villanueva, MD
Los Angeles, CA · $17 in drug and device payments (2025) · (800) 954-8000
Dr. Tomas Espinoza, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Tony Su, M.D.
Los Angeles, CA · $61 in drug and device payments (2025) · (323) 987-1362
Dr. Tsz Ying Lee, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 415-1990
Dr. Tyler Beale, RDN
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 563-4800
Dr. Tyler Duong
Los Angeles, CA · $52 in drug and device payments (2025) · (323) 780-2216
Dr. Tyler Larsen
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7375
Dr. Tyler Morad
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6232
Dr. Tzung Hsiai, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Umme-aiman Halai, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-8373
Dr. Utpal Sandesara, MD, PHD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-7375
Dr. Uyen Hoang, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (800) 954-8000
Dr. Valerie Thadhani, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 653-1990
Dr. Valerie Zamudio, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 268-5000
Dr. Vanessa Ghaderi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Vang Kou Khang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4516
Dr. Vasthi Silva, M.D.
Los Angeles, CA · $230 in drug and device payments (2025) · (323) 987-1362
Dr. Venkat Sanjay Reddy Manubolu, MD
Los Angeles, CA · $2,056 in drug and device payments (2025) · (424) 522-7100

Conditions Internal Medicine providers in Los Angeles, 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 Los Angeles, California?

There are 1,417 Internal Medicine providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

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

437 of 1,417 (31%) 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 Los Angeles treat?

Internal Medicine providers in Los Angeles 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 Los Angeles 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.