HealthcareDiscovery.AI / Doctors / California / Infectious Disease

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. Rana Shenoy, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · Telehealth · (661) 726-2185
Dr. Teresa Khoo, MD
La Puente, CA · $85 in drug and device payments (2025) · (714) 547-7008
Dr. James Ito, MD
La Verne, CA · No drug or device payments recorded (2025) · (909) 596-7245
Dr. Loretta Obrien, MD
Livermore, CA · No drug or device payments recorded (2025) · (925) 373-4700
Dr. Ghaus Malik, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3923
Dr. Anna Leigh Christine Ursales, MD
Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth · (909) 558-2417
Dr. Chitra Damodaran, M.D.,
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 825-7084
Dr. Daniel Rogstad, MD
Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth · (909) 558-4908
Dr. Eugene Liu, MD
Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth · (909) 558-4000
Dr. Ingrid Blomquist, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-2191
Dr. James Couperus, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-2191
Dr. Jennifer Veltman, M.D.
Loma Linda, CA · $373 in drug and device payments (2025) · Telehealth · (909) 558-4499
Dr. Jonathan Arcobello, M.D.
Loma Linda, CA · $34 in drug and device payments (2025) · Telehealth · (909) 558-4906
Dr. Jonathan Pham, MD
Loma Linda, CA · $404 in drug and device payments (2025) · Telehealth · (909) 558-4000
Dr. Jorge Robledo, MD
Loma Linda, CA · $122 in drug and device payments (2025) · Telehealth · (909) 558-2417
Dr. Kelsey Luna, MD
Loma Linda, CA · $430 in drug and device payments (2025) · (909) 558-9621
Dr. Kristin Carr, MD
Loma Linda, CA · $135 in drug and device payments (2025) · (760) 585-8944
Dr. Lynette Chen, MD
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 825-7084
Dr. Michael Ing, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 825-7084
Dr. Richelle Guerrero-wooley, M.D
Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth · (909) 558-4906
Dr. Sandy Chang
Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-7375
Dr. Victor Wang, DO
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-4074
Dr. Zayn Endo, MD
Loma Linda, CA · $367 in drug and device payments (2025) · Telehealth · (909) 558-2860
Dr. Benjamin Montoya, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 624-4999
Dr. Caroline Koan, M.D.
Long Beach, CA · $151 in drug and device payments (2025) · (562) 753-2422
Dr. Chester Choi, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 491-9352
Dr. David Webb, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-5406
Dr. Gary Segal, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-5484
Dr. Greg Strayer, MD
Long Beach, CA · $178 in drug and device payments (2025) · Telehealth · (562) 426-3333
Dr. Gunter Rieg, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (562) 599-8601
Dr. Henry Su, M.D.
Long Beach, CA · $186 in drug and device payments (2025) · (562) 624-4943
Dr. Jerome De Vente, MD
Long Beach, CA · $1,161 in drug and device payments (2025) · (562) 624-4999
Dr. Marcia Alcouloumre Senteno, MD
Long Beach, CA · $1,251 in drug and device payments (2025) · (562) 624-4999
Dr. Melissa King, MD
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (562) 426-3333
Dr. Patrice Marcarelli, MD
Long Beach, CA · No drug or device payments recorded (2025) · (310) 672-2099
Dr. Rithika Ramakrishnan, MD
Long Beach, CA · $19 in drug and device payments (2025) · (562) 684-2560
Dr. Stefan Schneider, MD
Long Beach, CA · $2,789 in drug and device payments (2025) · (562) 624-4999
Dr. Stephen Berman, MD, PHD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Vidya Atluri, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Yunjia Shen, DO
Long Beach, CA · $430 in drug and device payments (2025) · (562) 997-2000
Dr. Kathleen Macleod, M.D.
Los Alamitos, CA · No drug or device payments recorded (2025) · (562) 432-4357
Dr. Aaron Kwong
Los Angeles, CA · $673 in drug and device payments (2025) · Telehealth · (310) 358-2300
Dr. Aditya Jones, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 568-8727
Dr. Alejandro Sanchez, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Aleksandr Gorin
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 557-2273
Dr. Amos Lichtman
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-9129
Dr. Amy Dora
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-8307
Dr. Andrew Tran, MD
Los Angeles, CA · $861 in drug and device payments (2025) · (323) 662-0492
Dr. Apurva Akkad, MD
Los Angeles, CA · $2,522 in drug and device payments (2025) · Telehealth · (323) 442-5100
Dr. Ardis Moe, MD
Los Angeles, CA · $2,148 in drug and device payments (2025) · Telehealth · (310) 557-1891

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

Related

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.