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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. Azure Makadzange, MD
Stanford, CA · $98 in drug and device payments (2025) · (650) 723-4000
Dr. Brian Blackburn, MD
Stanford, CA · $93 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Catherine Blish, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Christiaan De Vries, M.D., PH.D.
Stanford, CA · $136 in drug and device payments (2025) · (650) 736-5200
Dr. Daisuke Furukawa
Stanford, CA · $200 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Daniel Di Giulio, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. David Lasry, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Dean Winslow, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Dora Ho, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-6661
Dr. Elena Vendrame, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Elizabeth Thottacherry, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Ellora Karmarkar, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Eran Bendavid, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Gary Schoolnik, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Hector Bonilla, MD
Stanford, CA · $247 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Jake Scott, M.D.
Stanford, CA · $853 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Jason Andrews, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jenny Aronson, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jessica Ferguson, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Joanna Nelson, M.D.
Stanford, CA · $34 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Joelle Rosser, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Jorge Salinas, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jose Montoya, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Julie Parsonnet, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Karen Jacobson, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Koray Demir, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-7912
Dr. Lucy Tompkins, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 725-3861
Dr. Maiko Suarez
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-5948
Dr. Makeda Robinson, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Marisa Holubar, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 498-3333
Dr. Michael Harbour, MD
Stanford, CA · $606 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Michael Kozal, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Mindy Sampson, DO
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Natalia Medvedeva, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Nathan Lo, MD PHD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Orlando Quintero Cardona, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Paul Bollyky, MD, PHD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Paul Eckburg, MD
Stanford, CA · $2,560 in drug and device payments (2025) · (650) 723-4000
Dr. Paul Waldron, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-7912
Dr. Philip Grant, MD
Stanford, CA · $42 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Phillip Pang, MD, PHD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-6661
Dr. Prasanna Jagannathan, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Robert Shafer, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Sean Collins, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Seth Hoffman, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Shanthi Kappagoda, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 736-5200
Dr. Susanna Tan, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Vanessa El Kamari, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Vivian Tien, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 498-3333
Dr. Abhinandan Anand Raman, MD
Stockton, CA · $331 in drug and device payments (2025) · Telehealth · (209) 645-3771

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.