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 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. Peter Matthews, MDTravis Afb, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 423-3808 Dr. Scott Crabtree, MDTravis Afb, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 423-3735 Dr. Thomas Hovenic, M.D.Truckee, CA · $427 in drug and device payments (2025) ·
(530) 587-6011 Dr. Alexander Evens, D.O.Turlock, CA · $14,249 in drug and device payments (2025) · Telehealth ·
(209) 656-0183 Dr. Jennifer Leoniak, D.O., M.S.Turlock, CA · $1,148 in drug and device payments (2025) · Telehealth ·
(209) 208-0923 Dr. Amanda Thornton, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-3473 Dr. Gregory Warner, D.O.Vacaville, CA · $121 in drug and device payments (2025) · Telehealth ·
(707) 624-7999 Dr. Joseph Bick, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 449-6576 Dr. Michael Cohen, M.D.Valencia, CA · $421 in drug and device payments (2025) · Telehealth ·
(661) 481-1651 Dr. Saarika Sharma, M.D.Vallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1075 Dr. Stephen Parodi, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1000 Dr. Meher Tabatabai, MDVan Nuys, CA · $516 in drug and device payments (2025) ·
(818) 334-7305 Dr. Timothy Mess, M.D.Van Nuys, CA · No drug or device payments recorded (2025) ·
(818) 782-5450 Dr. Cary Savitch, MDVentura, CA · No drug or device payments recorded (2025) ·
(805) 653-6540 Dr. Henry Oster, M.D.Ventura, CA · No drug or device payments recorded (2025) ·
(805) 656-6272 Dr. Melissa Barger, M.D.Ventura, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 652-6222 Dr. Riffat Muzaffer, M.DVentura, CA · $310 in drug and device payments (2025) ·
(805) 677-5299 Dr. Bipinchandra Bhagat, M.D.Victorville, CA · $727 in drug and device payments (2025) · Telehealth ·
(760) 951-2400 Dr. Vincent Covelli, D.O.Victorville, CA · $664 in drug and device payments (2025) · Telehealth ·
(760) 241-6666 Dr. Mina Raju, D.O.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 302-7927 Dr. Ted Gay, MDVista, CA · No drug or device payments recorded (2025) ·
(760) 806-9263 Dr. Bela Chheda, M.D.Walnut Creek, CA · $70 in drug and device payments (2025) ·
(925) 947-2334 Dr. Bhavna Malik, MDWalnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Devin Callister, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-2334 Dr. Esther Molnar, MDWalnut Creek, CA · $29 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Jennifer Cheng, D.O.Walnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Jorge Bernett, M.D.Walnut Creek, CA · $299 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Joshua Perlroth, M.D.Walnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Konark Sharma, M.D.Walnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Meredith Silverman, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Michael Vollmer, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 947-2334 Dr. Nimisha Mishra-shukla, MDWalnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Paul Wada, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Percival Cueva, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Peter Binstock, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 947-2334 Dr. Ronald Wasserman, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 947-2334 Dr. Silpa Jetty, MDWalnut Creek, CA · $142 in drug and device payments (2025) ·
(925) 947-2334 Dr. Szilvia Molitorisz, MDWalnut Creek, CA · $122 in drug and device payments (2025) · Telehealth ·
(925) 947-2334 Dr. Timothy Jang, MDWalnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 947-2334 Dr. Atia Shah, M.DWest Covina, CA · $417 in drug and device payments (2025) ·
(626) 851-8880 Dr. Devesh Patel, MDWest Covina, CA · $24 in drug and device payments (2025) ·
(626) 348-4239 Dr. Jacqueline Adler, M.D.West Hills, CA · No drug or device payments recorded (2025) ·
(818) 595-3580 Dr. John Li, M.D.West Hills, CA · $833 in drug and device payments (2025) ·
(818) 226-6811 Dr. Jon Willen, M.D.West Hills, CA · No drug or device payments recorded (2025) ·
(818) 226-6811 Dr. Mariam Bakhtary, MDWest Hills, CA · $66 in drug and device payments (2025) ·
(818) 226-6811 Dr. Fayyaz Sutterwala, M.D., PH.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-2948 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.
- Long COVID
- HIV care
- Lyme disease
- Recurrent infections
- Travel medicine
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.
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