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.
Where Infectious Disease Specialists in California practice
From CMS Medicare enrollment records covering 717 of the 1,121 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.
26%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
68%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Infectious Disease Specialists | All clinicians in group | Main city |
| Stanford Health Care | 44 | 3,152 | Stanford |
| The Regents of the University of California | 41 | 1,426 | Los Angeles |
| Southern California Permanente Medical Group | 37 | 11,250 | Los Angeles |
| Permanente Medical Group Inc. | 35 | 10,928 | Stockton |
| Regents of the University of California | 30 | 706 | San Francisco |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Infectious Disease Specialists affiliated |
| Stanford Health Care | Stanford | Nonprofit | 5 of 5 | 47 |
| UCSF Medical Center | San Francisco | Nonprofit | 4 of 5 | 38 |
| Ronald Reagan UCLA Medical Center | Los Angeles | Government | 4 of 5 | 37 |
| Uci Health-Orange | Orange | Government | 4 of 5 | 32 |
| Cedars-Sinai Medical Center | Los Angeles | Nonprofit | 5 of 5 | 31 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Chibong Alex Yu, D.O., M.P.H.Alhambra, CA · $263 in drug and device payments (2025) ·
(951) 929-6260 Dr. Thida Win, M.DAlhambra, CA · $603 in drug and device payments (2025) ·
(951) 929-6260 Dr. Charles Bailey, M.D.Aliso Viejo, CA · No drug or device payments recorded (2025) ·
(949) 448-8861 Dr. Anthony Shay, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Arnold Henson, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Jeffrey Wang, MDAnaheim, CA · $195 in drug and device payments (2025) ·
(714) 644-2739 Dr. Pankaj Khemka, M.D.Anaheim, CA · $553 in drug and device payments (2025) · Telehealth ·
(714) 288-8887 Dr. Salvador Hernandez, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Clifford Quan, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 295-4612 Dr. Ashwini Mallad, MDApple Valley, CA · $261 in drug and device payments (2025) ·
(999) 999-9999 Dr. Kevin GaneshApple Valley, CA · $310 in drug and device payments (2025) ·
(760) 688-0084 Dr. Anthony Milanes, M.D.Bakersfield, CA · $94 in drug and device payments (2025) ·
(213) 446-0459 Dr. Arash Heidari, M.DBakersfield, CA · $721 in drug and device payments (2025) · Telehealth ·
(661) 327-8538 Dr. Carlos D'assumpcao, MDBakersfield, CA · $644 in drug and device payments (2025) · Telehealth ·
(661) 326-2202 Dr. Franco Felizarta, MDBakersfield, CA · $57,243 in drug and device payments (2025) · Telehealth ·
(661) 324-3128 Dr. Jigar Patel, MDBakersfield, CA · $387 in drug and device payments (2025) ·
(661) 326-2200 Dr. Navinchandra Amin, MDBakersfield, CA · $125 in drug and device payments (2025) ·
(661) 873-0005 Dr. Randolph Senining, MDBakersfield, CA · $43 in drug and device payments (2025) ·
(661) 322-2206 Dr. Rasha Kuran, M.D.Bakersfield, CA · $801 in drug and device payments (2025) · Telehealth ·
(661) 322-9200 Dr. See-ruern Kitt, MDBakersfield, CA · $676 in drug and device payments (2025) ·
(661) 325-2448 Dr. Shankar Raman, MD,MPHBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 632-6963 Dr. Soe Win, M.DBakersfield, CA · $113 in drug and device payments (2025) ·
(661) 337-7108 Dr. Gary Bluestone, DOBaldwin Park, CA · $125 in drug and device payments (2025) ·
(626) 851-1011 Dr. Manie Beheshti, M.D.Baldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Rosalina See-prats, M.D.Baldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 388-2700 Dr. Manju Haridas, M.D.Bell Canyon, CA · $80 in drug and device payments (2025) ·
(813) 251-8444 Dr. Laurie Chu, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Nelson Garcia, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Elizabeth Soda, MDBelmont, CA · No drug or device payments recorded (2025) ·
(650) 596-7000 Dr. Jesse Waggoner, M.D.Belmont, CA · No drug or device payments recorded (2025) ·
(650) 596-7000 Dr. Carol Brosgart, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 541-6200 Dr. Jack Skarbinski, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(415) 572-8437 Dr. John Swartzberg, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 643-0499 Dr. Aaron Perlmutter, M.D.Beverly Hills, CA · $955 in drug and device payments (2025) · Telehealth ·
(310) 657-0367 Dr. Charles Farthing, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 657-9353 Dr. David Lintz, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 657-9353 Dr. Howard Pitchon, MDBeverly Hills, CA · $157 in drug and device payments (2025) ·
(310) 657-3719 Dr. Ronald Fishbach, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 274-6671 Dr. Allen Ameri, M.D.Burbank, CA · $131 in drug and device payments (2025) · Telehealth ·
(323) 405-4117 Dr. Francine Hanberg, MDBurbank, CA · No drug or device payments recorded (2025) ·
(818) 843-1819 Dr. John Harris, M.D.Burbank, CA · No drug or device payments recorded (2025) ·
(818) 500-0935 Dr. Karen Tsujimoto, M.D.Burbank, CA · $1,658 in drug and device payments (2025) ·
(818) 500-0935 Dr. Kim Erlich, M.D.Burlingame, CA · $26,671 in drug and device payments (2025) ·
(650) 678-5079 Dr. Byungwoo Choi, M.D.Camarillo, CA · $16 in drug and device payments (2025) ·
(805) 465-7388 Dr. Joshua Wolfsohn, D.O.Camarillo, CA · $22 in drug and device payments (2025) ·
(805) 384-8071 Dr. Omega Edwards, M.D.Camarillo, CA · No drug or device payments recorded (2025) ·
(805) 389-0099 Dr. Kristina St.clair, D.O.Camp Pendleton, CA · No drug or device payments recorded (2025) ·
(760) 725-1213 Dr. Hayden Burke, M.D.Cardiff By The Sea, CA · No drug or device payments recorded (2025) ·
(760) 815-9425 Dr. Melissa Schreiber, PACarmichael, CA · No drug or device payments recorded (2025) ·
(916) 201-1388 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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