3 Clinical & Laboratory Immunology (Internal Medicine) providers practice in California. The largest concentration is in Antioch. 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.
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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.
There are 3 Clinical & Laboratory Immunology (Internal Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Antioch (1), Los Alamitos (1), Valley Glen (1) have the highest concentration of Clinical & Laboratory Immunology (Internal Medicine) providers in California.
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.
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