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Internal Medicine in Pasadena, California

Data updated monthly · Last refresh September 2026

138 Internal Medicine providers practice in Pasadena, and 47% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Pasadena

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. Garry Kim, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 795-0415
Dr. George Abrahamian, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 222-8888
Dr. George Jung, MD
Pasadena, CA · $283 in drug and device payments (2025) · Telehealth · (626) 792-2166
Dr. George Sonneborn, AFE23957
Pasadena, CA · No drug or device payments recorded (2025) · (626) 398-6300
Dr. Gregor Paronian, M.D.
Pasadena, CA · $3,266 in drug and device payments (2025) · Telehealth · (626) 696-3607
Dr. Hany Zaki, M.D.
Pasadena, CA · $40 in drug and device payments (2025) · (626) 564-9758
Dr. Hassan Qureshi, DO
Pasadena, CA · $30 in drug and device payments (2025) · (732) 668-5711
Dr. Irina Jasper, MD
Pasadena, CA · $319 in drug and device payments (2025) · (626) 356-0340
Dr. Jacklin Poladian, M.D.
Pasadena, CA · $28 in drug and device payments (2025) · Telehealth · (626) 200-4500
Dr. Jeffrey Denham, M.D.
Pasadena, CA · $870 in drug and device payments (2025) · (626) 793-6113
Dr. Jennifer Li, M.D.
Pasadena, CA · $188 in drug and device payments (2025) · (626) 795-2244
Dr. Joel Lim, D.O.
Pasadena, CA · $150 in drug and device payments (2025) · (626) 795-2244
Dr. John Black
Pasadena, CA · $559 in drug and device payments (2025) · Telehealth · (626) 397-5166
Dr. John Debeixedon, M D
Pasadena, CA · $147 in drug and device payments (2025) · (626) 577-9495
Dr. John Yung, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 397-5711
Dr. Joseph Dellinger, MD
Pasadena, CA · $14,592 in drug and device payments (2025) · Telehealth · (626) 397-5000
Dr. Joseph Pachorek, M.D.
Pasadena, CA · $1,008 in drug and device payments (2025) · Telehealth · (626) 795-4223
Dr. Joy Weissman, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 792-2166
Dr. Julia Salamon, MD
Pasadena, CA · $515 in drug and device payments (2025) · (626) 397-5000
Dr. Justin Levy, MD
Pasadena, CA · $17 in drug and device payments (2025) · (626) 397-5711
Dr. Kada Fehlman, MD
Pasadena, CA · $1,687 in drug and device payments (2025) · (626) 397-5166
Dr. Kenneth Chen
Pasadena, CA · No drug or device payments recorded (2025) · (626) 394-2285
Dr. Kevin Tyson, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 798-4952
Dr. Khin Oo, MD
Pasadena, CA · $1,261 in drug and device payments (2025) · (626) 744-9290
Dr. Kristin Karlyn, MD
Pasadena, CA · $114 in drug and device payments (2025) · Telehealth · (626) 734-7870
Dr. Leslie Dudley, MD
Pasadena, CA · $15 in drug and device payments (2025) · Telehealth · (626) 792-3141
Dr. Lillian Ngaw, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 792-4185
Dr. Linda Hillier, D.O.
Pasadena, CA · $714 in drug and device payments (2025) · Telehealth · (626) 795-4223
Dr. Lori Wynstock, M.D.
Pasadena, CA · $1,383 in drug and device payments (2025) · (626) 793-6113
Dr. Luciano Gomez
Pasadena, CA · $372 in drug and device payments (2025) · Telehealth · (626) 799-4192
Dr. Lucy Lo, M.D.
Pasadena, CA · $250 in drug and device payments (2025) · (626) 795-2244
Dr. Luis Dimen, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 792-2166
Dr. Lu Jiao, MD
Pasadena, CA · No drug or device payments recorded (2025) · Telehealth · (626) 304-4400
Dr. Lusanik Galustanian, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 795-2244
Dr. Malathi Narayan, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 792-2166
Dr. Marcia Jablon, MD
Pasadena, CA · $117 in drug and device payments (2025) · (626) 792-1912
Dr. Marilynn Moore, MD
Pasadena, CA · No drug or device payments recorded (2025) · Telehealth · (626) 792-3843
Dr. Marina Manvelyan, MD
Pasadena, CA · $1,109 in drug and device payments (2025) · Telehealth · (626) 798-1085
Dr. Mark Hoffman, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 755-3642
Dr. Matthew Li, MD, MPH
Pasadena, CA · $69 in drug and device payments (2025) · (626) 352-1444
Dr. Michael Gottlieb, MD
Pasadena, CA · $223 in drug and device payments (2025) · (562) 867-7999
Dr. Michele Lefkowitz, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 446-4404
Dr. Mindy Tittiger, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 352-1444
Dr. Ming Chong, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 585-4122
Dr. Mona Malakouti
Pasadena, CA · $117 in drug and device payments (2025) · (626) 397-5000
Dr. Muhammad Nasir, M.D.
Pasadena, CA · $62 in drug and device payments (2025) · (626) 798-8976
Dr. Nathan Lewis, MD
Pasadena, CA · $293 in drug and device payments (2025) · (626) 796-8181
Dr. Nga Ha, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · (626) 799-4194
Dr. Paige Mccleary, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 795-2244
Dr. Paul Lee, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · Telehealth · (626) 397-5000

Conditions Internal Medicine providers in Pasadena, 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 Pasadena, California?

There are 138 Internal Medicine providers with active NPI records practicing in Pasadena, according to federal NPPES data refreshed monthly.

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

65 of 138 (47%) 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 Pasadena treat?

Internal Medicine providers in Pasadena 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 Pasadena 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.