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Registered Dietitian in Altadena, California

Data updated monthly · Last refresh September 2026

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

Registered Dietitian providers in Altadena

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. Blanca Garcia, RD

Altadena, CA · No drug or device payments recorded (2025) · (626) 354-7598

Dr. Julie Negron, RD

Altadena, CA · No drug or device payments recorded (2025) · (714) 349-6820

Dr. Katharine Valdes, MS, RD, CSSD

Altadena, CA · No drug or device payments recorded (2025) · (818) 903-6284

Dr. Michaela Ballmann, RD

Altadena, CA · No drug or device payments recorded (2025) · (805) 427-5544

Common questions

How many Registered Dietitian providers are in Altadena, California?

There are 4 Registered Dietitian providers with active NPI records practicing in Altadena, 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 Altadena 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.