Addiction Medicine Doctors (Internal Medicine) in California
Data updated monthly · Last refresh October 2026
72 Addiction Medicine (Internal Medicine) providers practice in California, including 15 (21%) 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.
72providers
15telehealth
Los Angelestop city
Addiction Medicine (Internal Medicine) by city in California
Choose a city to see providers there.
Addiction Medicine (Internal Medicine) 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. David Ianacone, MDRiverside, CA · $236 in drug and device payments (2025) ·
(909) 353-2000 Dr. Hans Geisse, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Michael Bishara, M.D.Riverside, CA · $844 in drug and device payments (2025) · Telehealth ·
(951) 787-4885 Dr. Angella Barr, MDSacramento, CA · $28 in drug and device payments (2025) ·
(917) 301-5917 Dr. Nazanin Ahmadieh, DOSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-5016 Dr. Alisha Goodrum, M.D.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 231-5333 Dr. Diana Amodia, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 928-7800 Dr. Lori Karan, MDSan Francisco, CA · $146 in drug and device payments (2025) ·
(415) 476-7491 Dr. Sangeetha Raghuraman, MDSan Jose, CA · $119 in drug and device payments (2025) ·
(408) 885-5000 Dr. Parmis Rad, M.D.San Rafael, CA · No drug or device payments recorded (2025) ·
(415) 457-3755 Dr. Russell Sandberg, MDSan Rafael, CA · No drug or device payments recorded (2025) ·
(415) 457-3755 Dr. Ann Arcay, M.D.Santa Ana, CA · No drug or device payments recorded (2025) ·
(714) 834-2125 Dr. Faried Banimahd, MDSanta Ana, CA · $69 in drug and device payments (2025) · Telehealth ·
(949) 347-8721 Dr. John Horton, M.D.Santa Barbara, CA · No drug or device payments recorded (2025) ·
(805) 203-0717 Dr. Keith Heinzerling, MDSanta Monica, CA · $34 in drug and device payments (2025) ·
(310) 582-7612 Dr. John Hibbard, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-0818 Dr. David Pinsky, M.D.,South Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 799-4151 Dr. Inna Lamport, M.D.South Pasadena, CA · No drug or device payments recorded (2025) ·
(323) 258-3060 Dr. Felipe Bolivar RinconStockton, CA · No drug or device payments recorded (2025) ·
(209) 373-2878 Dr. Farah Ahamed, DOTorrance, CA · $30 in drug and device payments (2025) · Telehealth ·
(310) 618-9200 Dr. Thuan Nguyen, DOVentura, CA · $144 in drug and device payments (2025) · Telehealth ·
(251) 424-1288 Dr. Steven Kaye, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 360-1556 Common questions
How many Addiction Medicine (Internal Medicine) providers are in California?There are 72 Addiction Medicine (Internal Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Addiction Medicine (Internal Medicine) providers in California offer telehealth?Yes. 15 of the 72 Addiction Medicine (Internal Medicine) providers in California (about 21%) report offering telehealth services in CMS data.
Which cities in California have the most Addiction Medicine (Internal Medicine) providers?Los Angeles (5), Fontana (4), Malibu (3) have the highest concentration of Addiction Medicine (Internal Medicine) providers in California.
How many Addiction Medicine (Internal Medicine) providers in California received drug or device company payments?26 of 72 Addiction Medicine (Internal Medicine) providers in California (36%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
Which hospitals do Addiction Medicine Doctors (Internal Medicine) in California work at?According to CMS facility affiliation records, the California hospitals where the most Addiction Medicine Doctors (Internal Medicine) hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Providence Little Co of Mary Med Ctr San Pedro in San Pedro; Eisenhower Medical Center in Rancho Mirage.
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