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Registered Dietitian in Los Osos, California

Data updated monthly · Last refresh September 2026

5 Registered Dietitian providers practice in Los Osos. Listings are drawn from federal public records and are not endorsements.

Registered Dietitian providers in Los Osos

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. Jan Speer, R.D.
Los Osos, CA · No drug or device payments recorded (2025) · (916) 202-5609
Dr. Keely O'keefe, MS, RDN, LD
Los Osos, CA · No drug or device payments recorded (2025) · (804) 920-4897
Dr. Lauren Kaida, RD
Los Osos, CA · No drug or device payments recorded (2025) · (805) 459-4457
Dr. Rebecca Pascual, RDN
Los Osos, CA · No drug or device payments recorded (2025) · (805) 503-2327
Dr. Susan Swadener, PHD, RD
Los Osos, CA · No drug or device payments recorded (2025) · (805) 528-1926

Common questions

How many Registered Dietitian providers are in Los Osos, California?

There are 5 Registered Dietitian providers with active NPI records practicing in Los Osos, 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 Los Osos Registered Dietitian across California

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.