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Infectious Disease Specialists in California

Data updated monthly · Last refresh October 2026

1,121 Infectious Disease providers practice in California, including 322 (29%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

1,121providers
322telehealth
Los Angelestop city

Infectious Disease by city in California

Choose a city to see providers there.

Infectious Disease in Los Angeles145 providers
Infectious Disease in San Francisco108 providers
Infectious Disease in San Diego76 providers
Infectious Disease in Stanford58 providers
Infectious Disease in Sacramento56 providers
Infectious Disease in Torrance26 providers
Infectious Disease in Orange23 providers
Infectious Disease in Fresno20 providers
Infectious Disease in Loma Linda18 providers
Infectious Disease in Walnut Creek18 providers
Infectious Disease in Long Beach17 providers
Infectious Disease in Pasadena16 providers
Infectious Disease in Palo Alto15 providers
Infectious Disease in La Jolla15 providers
Infectious Disease in Santa Monica14 providers
Infectious Disease in San Jose14 providers
Infectious Disease in Oakland13 providers
Infectious Disease in Newport Beach13 providers
Infectious Disease in Bakersfield11 providers
Infectious Disease in Pomona10 providers
Infectious Disease in San Mateo9 providers
Infectious Disease in Santa Ana9 providers
Infectious Disease in Santa Barbara9 providers
Infectious Disease in Modesto8 providers

Infectious Disease providers in California

Listed by city, largest first. 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. Jocelyn Kim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-7225
Dr. Joel Ruskin, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. John Lam, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-7663
Dr. Jonathan Herman, M.D. PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7663
Dr. Jong Huang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-1257
Dr. Joseph Cadden, M.D.
Los Angeles, CA · $48 in drug and device payments (2025) · (323) 226-7504
Dr. Juan Ricaurte, M.D.
Los Angeles, CA · $159 in drug and device payments (2025) · (323) 663-6790
Dr. Judith Currier, MD
Los Angeles, CA · $8,982 in drug and device payments (2025) · (310) 557-2273
Dr. Kalvin Yu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kara Chew, M.D.
Los Angeles, CA · $3,293 in drug and device payments (2025) · (310) 557-2273
Dr. Katherine Li, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7663
Dr. Kitty Lam, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (626) 284-6608
Dr. Kusha Davar, M.D. M.B.A. M.S.
Los Angeles, CA · $160 in drug and device payments (2025) · (323) 409-6645
Dr. Lauren Yanagimoto-ogawa, MSPH, DO
Los Angeles, CA · $57 in drug and device payments (2025) · Telehealth · (310) 206-7663
Dr. Manju Agrawal, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 564-4331
Dr. Manuel Pardo, MD
Los Angeles, CA · $35,419 in drug and device payments (2025) · (310) 550-1010
Dr. Marc Lariviere, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Margrit Carlson, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 557-1891
Dr. Mariasol Pena, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 222-2409
Dr. Mary Cambou, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 557-2273
Dr. Masoud Rahban, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 553-3669
Dr. Matthew Goetz, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Matthew Musikanth, PA-C
Los Angeles, CA · $2,244 in drug and device payments (2025) · (323) 954-1072
Dr. Melanie Taylor, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Michael Dube, M.D.
Los Angeles, CA · $131 in drug and device payments (2025) · (323) 442-5100
Dr. Michael Lovett, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Milan Fiala, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-6392
Dr. Minghsun Liu, M.D., PH.D.
Los Angeles, CA · $370 in drug and device payments (2025) · (310) 734-8526
Dr. Minji Kim
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-5844
Dr. Mona-gekanju Toeque, M.D.,MPH
Los Angeles, CA · $467 in drug and device payments (2025) · Telehealth · (323) 662-0492
Dr. Monique Prince, MD
Los Angeles, CA · $363 in drug and device payments (2025) · (310) 267-5849
Dr. Moon Kim
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 240-7941
Dr. Nathan Stockamp, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Navid Pour-ghasemi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 226-7556
Dr. Nicole Fossas Braegger, MD
Los Angeles, CA · $567 in drug and device payments (2025) · Telehealth · (310) 358-2300
Dr. Noah Wald-dickler, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Obiamiwe Umeh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9718
Dr. Oladunni Adeyiga, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7663
Dr. Omer Beaird, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7663
Dr. Otto Yang, MD
Los Angeles, CA · $61,036 in drug and device payments (2025) · Telehealth · (310) 794-9491
Dr. Pamela Lee
Los Angeles, CA · $4,251 in drug and device payments (2025) · (323) 226-7556
Dr. Patricia Samuels, MD
Los Angeles, CA · $53 in drug and device payments (2025) · (213) 999-7714
Dr. Paul Adamson, MD, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-7663
Dr. Paula Gaut, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 967-1884
Dr. Paul Allyn
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7663
Dr. Paul Holtom, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Paul Janoian
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-7375
Dr. Peter Geiseler, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Peter Ruane, MD
Los Angeles, CA · $2,646 in drug and device payments (2025) · Telehealth · (323) 954-1072
Dr. Peter Sim, M.D.
Los Angeles, CA · $250 in drug and device payments (2025) · (323) 442-5100

Conditions Infectious Disease providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Infectious Disease providers are in California?

There are 1,121 Infectious Disease providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Infectious Disease providers in California offer telehealth?

Yes. 322 of the 1,121 Infectious Disease providers in California (about 29%) report offering telehealth services in CMS data.

Which cities in California have the most Infectious Disease providers?

Los Angeles (145), San Francisco (108), San Diego (76) have the highest concentration of Infectious Disease providers in California.

How many Infectious Disease providers in California received drug or device company payments?

419 of 1,121 Infectious Disease providers in California (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Infectious Disease providers in California treat?

Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles 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.

Do most Infectious Disease Specialists in California work in independent practices or large health systems?

Among 717 Infectious Disease Specialists in California enrolled in Medicare, 26% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Infectious Disease Specialists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Infectious Disease Specialists hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.

Related reading on HealthcareDiscovery.AI

Infectious Disease in all 50 states Search all 1,121 in the directory Ask Zach for help choosing

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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. Are you a Infectious Disease in California? Get featured.