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Occupational Medicine in Los Angeles, California

Data updated monthly · Last refresh September 2026

23 Occupational Medicine providers practice in Los Angeles. Listings are drawn from federal public records and are not endorsements.

Occupational 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. Barry Huang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 215-1600
Dr. Bernice Jackson, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 989-7168
Dr. Bhavesh Robert Pandya, MD, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-8201
Dr. Delaney Smith, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 301-2030
Dr. Donna Cloughen, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (615) 778-4066
Dr. Hai Le, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (615) 778-4066
Dr. Han-chi Wong, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 367-2004
Dr. Irene Tang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 749-5386
Dr. James Lemus, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 260-7900
Dr. Jarrod Matthei, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6771
Dr. John Barchilon, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. John Barone, D.O.
Los Angeles, CA · $20 in drug and device payments (2025) · (310) 360-6780
Dr. John Norton, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Jonathan Rubinow, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 333-8798
Dr. Kao Choy Sae Chao, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 405-9292
Dr. Marc Arnush, M.D., M.P.H.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 215-6020
Dr. Marilyn Zwass
Los Angeles, CA · No drug or device payments recorded (2025) · (818) 784-1354
Dr. Mark Goldstein, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Paul Papanek Jr., MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Philip Baily, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 215-1600
Dr. Phyllis Paul-jordan, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 367-2001
Dr. Seung Lee, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 367-2001
Dr. Tack Lam, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011

Common questions

How many Occupational Medicine providers are in Los Angeles, California?

There are 23 Occupational Medicine providers with active NPI records practicing in Los Angeles, according to federal NPPES data refreshed monthly.

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 Occupational 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.