Allergy & Immunology (Internal Medicine) in California
Data updated monthly · Last refresh August 2026
81 Allergy & Immunology (Internal Medicine) providers practice in California, including 30 (37%) offering telehealth. The largest concentration is in San Francisco. Profiles include Medicare quality scores where available.
81providers
30telehealth
San Franciscotop city
Allergy & Immunology (Internal Medicine) providers by city in California
| San Francisco | 12 providers |
| Los Angeles | 8 providers |
| Sacramento | 5 providers |
| San Diego | 4 providers |
| Davis | 3 providers |
| San Mateo | 3 providers |
| Stanford | 3 providers |
| Palo Alto | 2 providers |
Highest rated Allergy & Immunology (Internal Medicine) providers in California
Dr. Anna LangSan Francisco, CA · Quality score 93/100 · Telehealth ·
(415) 353-2961 Dr. Roger Wang, D.O.San Francisco, CA · Quality score 93/100 · Telehealth ·
(415) 677-0901 Dr. Suzanne Cassel, MDWest Hollywood, CA · Quality score 88/100 · Telehealth ·
(310) 423-8784 Dr. Liza Presser Belkin, M.D.Santa Barbara, CA · Quality score 85/100 · Telehealth ·
(805) 569-3377 Dr. Rebecca Chinthrajah, M.D. Dr. Michele Pham, M.D.San Francisco, CA · Quality score 75/100 · Telehealth ·
(415) 353-2725 Dr. Iris Otani, M.D.San Francisco, CA · Quality score 75/100 · Telehealth ·
(415) 353-2961 Dr. Lulu TsaoSan Francisco, CA · Quality score 75/100 · Telehealth ·
(415) 353-2725 Dr. Rose MonahanSan Francisco, CA · Quality score 75/100 · Telehealth ·
(415) 353-2725 Dr. William Klaustermeyer, MD Common questions
How many Allergy & Immunology (Internal Medicine) providers are in California?There are 81 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Allergy & Immunology (Internal Medicine) providers in California offer telehealth?Yes. 30 of the 81 Allergy & Immunology (Internal Medicine) providers in California (about 37%) report offering telehealth services in CMS data.
Which cities in California have the most Allergy & Immunology (Internal Medicine) providers?San Francisco (12), Los Angeles (8), Sacramento (5) have the highest concentration of Allergy & Immunology (Internal Medicine) providers in California.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files, including MIPS quality scores where available. The directory refreshes monthly.
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