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Allergists in California

Data updated monthly · Last refresh October 2026

447 Allergy & Immunology providers practice in California, including 144 (32%) offering telehealth. The largest concentration is in San Diego. 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.

447providers
144telehealth
San Diegotop city

Allergy & Immunology by city in California

Choose a city to see providers there.

Allergy & Immunology in San Diego48 providers
Allergy & Immunology in Los Angeles36 providers
Allergy & Immunology in San Francisco15 providers
Allergy & Immunology in Walnut Creek14 providers
Allergy & Immunology in Santa Monica13 providers
Allergy & Immunology in San Jose13 providers
Allergy & Immunology in Palo Alto13 providers
Allergy & Immunology in Sacramento11 providers
Allergy & Immunology in Orange10 providers
Allergy & Immunology in Torrance9 providers
Allergy & Immunology in Stanford9 providers
Allergy & Immunology in Irvine8 providers
Allergy & Immunology in Roseville8 providers
Allergy & Immunology in Long Beach8 providers
Allergy & Immunology in Fresno7 providers
Allergy & Immunology in La Jolla7 providers
Allergy & Immunology in Santa Barbara7 providers
Allergy & Immunology in Menlo Park6 providers
Allergy & Immunology in Santa Rosa6 providers
Allergy & Immunology in Rancho Mirage5 providers
Allergy & Immunology in San Luis Obispo5 providers
Allergy & Immunology in Newport Beach5 providers
Allergy & Immunology in Mountain View5 providers
Allergy & Immunology in Riverside5 providers

Allergy & Immunology 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. Chyh Woei Lee, MD
Fremont, CA · $846 in drug and device payments (2025) · Telehealth · (510) 498-2350
Dr. Kristina Philpott, M.D.
Fremont, CA · $106 in drug and device payments (2025) · Telehealth · (510) 490-1222
Dr. Randolph Lippert, MD
Fremont, CA · No drug or device payments recorded (2025) · (510) 795-3000
Dr. A Aminian, M.D.
Fresno, CA · $649 in drug and device payments (2025) · (559) 447-1700
Dr. Kelvin Lee, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 448-4500
Dr. Lauren Hiyama, M.D.
Fresno, CA · $1,369 in drug and device payments (2025) · (559) 436-4500
Dr. Pamela Britto-williams, MD
Fresno, CA · No drug or device payments recorded (2025) · (559) 448-4500
Dr. Rabinder Sidhu, M.D.
Fresno, CA · $184 in drug and device payments (2025) · Telehealth · (559) 325-7775
Dr. Richard Demera, MD
Fresno, CA · $41,246 in drug and device payments (2025) · (559) 431-0340
Dr. Sudeep Singh, MD
Fresno, CA · $133 in drug and device payments (2025) · (559) 431-9571
Dr. Joseph Chun, M.D.
Fullerton, CA · No drug or device payments recorded (2025) · Telehealth · (714) 410-3100
Dr. Sahar Faghih, D.O.
Fullerton, CA · $39,906 in drug and device payments (2025) · (714) 773-1001
Dr. Felicidad Lao-domingo, MD
Gilroy, CA · No drug or device payments recorded (2025) · (408) 847-1166
Dr. Jean Hanley, M.D.
Glendale, CA · $688 in drug and device payments (2025) · Telehealth · (818) 639-8780
Dr. Jacob Offenberger, MD
Granada Hills, CA · $110,420 in drug and device payments (2025) · (818) 366-8112
Dr. Michael Louie, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Natalie Cac
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-6225
Dr. Robert Sachs, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Steven Weinstein, MD
Huntington Beach, CA · $6,802 in drug and device payments (2025) · (714) 848-8585
Dr. Vivian Aranez, M.D.
Huntington Beach, CA · $751 in drug and device payments (2025) · Telehealth · (949) 791-3202
Dr. Ankmalika Gupta, MD
Irvine, CA · $2,461 in drug and device payments (2025) · (949) 824-8600
Dr. Chongjia Chen, MD
Irvine, CA · $636 in drug and device payments (2025) · (949) 364-4361
Dr. Francis Yu, M.D.
Irvine, CA · $1,475 in drug and device payments (2025) · Telehealth · (949) 551-1001
Dr. Jenny Lee, M.D.
Irvine, CA · $174 in drug and device payments (2025) · Telehealth · (949) 824-8600
Dr. Lisa Lim, M.D.
Irvine, CA · $221 in drug and device payments (2025) · (714) 506-7007
Dr. Soo Hyun Choi, M.D.
Irvine, CA · $75 in drug and device payments (2025) · (888) 988-2800
Dr. Sudhir Gupta, MD
Irvine, CA · $566 in drug and device payments (2025) · Telehealth · (949) 824-8600
Dr. Yesim Yilmaz Demirdag, M.D.
Irvine, CA · $2,107 in drug and device payments (2025) · Telehealth · (949) 824-5818
Dr. Yoon Kwon, M.D.
Kentfield, CA · No drug or device payments recorded (2025) · (415) 459-4601
Dr. Grace Rhim, MD
Ladera Ranch, CA · No drug or device payments recorded (2025) · (949) 275-0672
Dr. Frank Orson, M.D.
Lafayette, CA · No drug or device payments recorded (2025) · (832) 643-5906
Dr. Marc Dyer, MD
Laguna Niguel, CA · $761 in drug and device payments (2025) · (949) 495-2500
Dr. Ronald Gehling, M.D.
Laguna Niguel, CA · No drug or device payments recorded (2025) · (949) 495-2500
Dr. Vinay Mehta, M.D.
Laguna Niguel, CA · $120,977 in drug and device payments (2025) · (949) 364-2900
Dr. Alexa Kollmeier, M.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 554-6158
Dr. Brian Modena, M.D., MSC
La Jolla, CA · $21,125 in drug and device payments (2025) · Telehealth · (858) 260-2977
Dr. David Broide, MB CHB
La Jolla, CA · No drug or device payments recorded (2025) · (858) 657-8322
Dr. Donald Stevenson, M.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 764-9010
Dr. Edsel Abud, MD, PHD
La Jolla, CA · $5,940 in drug and device payments (2025) · Telehealth · (858) 554-3200
Dr. Mohammad-ali Doroudchi
La Jolla, CA · $4,771 in drug and device payments (2025) · Telehealth · (858) 260-2977
Dr. Stephen Wasserman, M.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 657-8322
Dr. Narges Baluch, MD
La Mesa, CA · $121 in drug and device payments (2025) · (858) 226-8805
Dr. Jungmee Kim, M.D.
La Mirada, CA · $1,254 in drug and device payments (2025) · (562) 902-1014
Dr. Nisha Shah, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 729-7100
Dr. Saad Bakhaya, MD
Lancaster, CA · $513 in drug and device payments (2025) · (661) 945-1511
Dr. Amarjot Kang, MD
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-4174
Dr. Ashley Sandoval, M.D.
Long Beach, CA · $905 in drug and device payments (2025) · (562) 496-4749
Dr. Betty Liu, M.D.
Long Beach, CA · $803 in drug and device payments (2025) · (562) 997-9888
Dr. Fonda Jiang
Long Beach, CA · No drug or device payments recorded (2025) · (562) 496-4749
Dr. Inderpal Randhawa, M.D.
Long Beach, CA · $74 in drug and device payments (2025) · (562) 933-8749

Conditions Allergy & Immunology providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Allergy & Immunology providers are in California?

There are 447 Allergy & Immunology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Allergy & Immunology providers in California offer telehealth?

Yes. 144 of the 447 Allergy & Immunology providers in California (about 32%) report offering telehealth services in CMS data.

Which cities in California have the most Allergy & Immunology providers?

San Diego (48), Los Angeles (36), San Francisco (15) have the highest concentration of Allergy & Immunology providers in California.

How many Allergy & Immunology providers in California received drug or device company payments?

265 of 447 Allergy & Immunology providers in California (59%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Allergy & Immunology providers in California treat?

Allergy & Immunology providers commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives 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 Allergists in California work in independent practices or large health systems?

Among 276 Allergists in California enrolled in Medicare, 29% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 54% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Allergists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Allergists hold privileges are Stanford Health Care in Stanford; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica; Hoag Memorial Hospital Presbyterian in Newport Beach.

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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 Allergy & Immunology in California? Get featured.