Registered Dietitian in South San Francisco, California
Data updated monthly · Last refresh September 2026
16 Registered Dietitian providers practice in South San Francisco. Listings are drawn from federal public records and are not endorsements.
Registered Dietitian providers in South San Francisco
Listed alphabetically. 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. Chakting Tsui, RDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 318-9967 Dr. Christine Pan, R.D., L, AC.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2298 Dr. Crissy Pangan, RDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 580-9089 Dr. Crystal Ayoob, RDNSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 255-0105 Dr. Guiling Liang, REGISTERED DIETITIANSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 624-5761 Dr. Janelle Giangerelli, RDNSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(917) 952-2177 Dr. Jason Mark, RDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Jennifer Yan, R.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2300 Dr. Jenny GuanSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2316 Dr. Naho Pramanik, R.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Oscar Jimenez, RDSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2000 Dr. Pamela Droubi, R.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2301 Dr. Rachel Chang, M.S., R.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-3168 Dr. Rachel Gekas, M.S., R.D.South San Francisco, CA · No drug or device payments recorded (2025) ·
(650) 742-2301 Dr. Rachel Lam, RDNSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 812-6657 Dr. Sau Ming Lam, RDNSouth San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 568-6861 Common questions
How many Registered Dietitian providers are in South San Francisco, California?There are 16 Registered Dietitian providers with active NPI records practicing in South San Francisco, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in South San Francisco Registered Dietitian across California
