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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. Vinod Trivedi, MD
Sacramento, CA · $61 in drug and device payments (2025) · Telehealth · (916) 325-1040
Dr. Allen Radner, M.D
Salinas, CA · $37 in drug and device payments (2025) · (831) 757-2058
Dr. Mahendra Poudel, MD
Salinas, CA · $37 in drug and device payments (2025) · (831) 757-2058
Dr. Harvey Elder, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 382-7146
Dr. Nael Shahatto, MD
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 883-9953
Dr. Steven Beutler, MD
San Bernardino, CA · No drug or device payments recorded (2025) · (951) 738-0968
Dr. Aaron Carlin, M.D., PH.D.
San Diego, CA · $2,994 in drug and device payments (2025) · (858) 552-8585
Dr. Adam Bortner
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Ahnika Kline, M.D., PH.D.
San Diego, CA · $21 in drug and device payments (2025) · (800) 926-8273
Dr. Ajay Bharti, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (619) 543-3995
Dr. Alison Lane, MD, MPH
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-7475
Dr. Ankita Kadakia, MD
San Diego, CA · $32 in drug and device payments (2025) · (619) 543-3995
Dr. Ariella Goldblatt, M.D., M.S.
San Diego, CA · $94 in drug and device payments (2025) · Telehealth · (858) 616-8091
Dr. Cathy Logan, MD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (619) 515-2545
Dr. Chitra Safaya, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 462-9010
Dr. Christopher O'brien, MD
San Diego, CA · $174 in drug and device payments (2025) · (619) 528-5000
Dr. Constance Benson, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-3995
Dr. Dale Lieu, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Daniel Krauth, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6827
Dr. Danielle Steed, MD/PHD
San Diego, CA · No drug or device payments recorded (2025) · Telehealth · (800) 926-8273
Dr. Daniel Park, MD,MPH
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-3092
Dr. David Looney, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 552-8585
Dr. David Pride, MD, PHD
San Diego, CA · $3,661 in drug and device payments (2025) · (858) 657-7000
Dr. David Smith
San Diego, CA · $4,772 in drug and device payments (2025) · (800) 926-8273
Dr. Derek Larson, D.O.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-7478
Dr. Douglas Richman, MD
San Diego, CA · $2,400 in drug and device payments (2025) · (858) 552-7439
Dr. Edith Lederman, MD, MPH
San Diego, CA · $92 in drug and device payments (2025) · (619) 532-7475
Dr. Edward Hill
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6268
Dr. Elaine Pierce, MD, MPH
San Diego, CA · No drug or device payments recorded (2025) · (619) 293-4703
Dr. Eliah Aronoff-spencer, MD, PHD
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-6146
Dr. Ethan Stewart, D.O.
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Francesca Torriani, M.D.
San Diego, CA · $171 in drug and device payments (2025) · (619) 543-8258
Dr. George Sakoulas, MD
San Diego, CA · $107,464 in drug and device payments (2025) · Telehealth · (619) 446-1727
Dr. Gonzalo Ballon-landa, M.D.
San Diego, CA · $23 in drug and device payments (2025) · Telehealth · (619) 238-1443
Dr. Gregory Utz, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6460
Dr. Hai Shao, M.D., PH.D.
San Diego, CA · $261 in drug and device payments (2025) · (619) 567-3205
Dr. Helen Chun, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-7475
Dr. Jeffrey Spiro, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-6827
Dr. Jehanzaeb Khan, MD
San Diego, CA · No drug or device payments recorded (2025) · (800) 926-8273
Dr. Joseph Baran, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 501-3081
Dr. Joseph Caperna, M.D.
San Diego, CA · $1,373 in drug and device payments (2025) · (619) 795-1975
Dr. Joshua Fierer, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (858) 552-7446
Dr. Joshua Minuto, M.D.
San Diego, CA · $423 in drug and device payments (2025) · Telehealth · (858) 616-8091
Dr. Kalpana Natrajan, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 260-8300
Dr. Kristi Stonegarza, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-5200
Dr. Larry Miller, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 528-5000
Dr. Laya Reddy, M.D.
San Diego, CA · $312 in drug and device payments (2025) · Telehealth · (619) 298-1443
Dr. Lily Ostrer, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 543-3995
Dr. Mahnaz Taremi, MD
San Diego, CA · $121 in drug and device payments (2025) · Telehealth · (800) 926-8273
Dr. Matthew Lim, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (619) 532-7475

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.