HealthcareDiscovery.AI / Doctors / California / Tustin / Registered Dietitian

Registered Dietitian in Tustin, California

Data updated monthly · Last refresh September 2026

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

Registered Dietitian providers in Tustin

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. Dorine Lam, RDN

Tustin, CA · No drug or device payments recorded (2025) · (714) 709-8000

Dr. Eileen Hsiung, RDN

Tustin, CA · No drug or device payments recorded (2025) · (949) 870-7506

Dr. Elizabeth Nguyen, RD

Tustin, CA · No drug or device payments recorded (2025) · (951) 454-0522

Dr. Lucia Doshi, RD/RDN, MPH

Tustin, CA · No drug or device payments recorded (2025) · (714) 599-3898

Dr. Shahin Rostami, RD

Tustin, CA · No drug or device payments recorded (2025) · (714) 675-1900

Common questions

How many Registered Dietitian providers are in Tustin, California?

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

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.