Registered Dietitian in Los Alamitos, California
Data updated monthly · Last refresh September 2026
7 Registered Dietitian providers practice in Los Alamitos. Listings are drawn from federal public records and are not endorsements.
Registered Dietitian providers in Los Alamitos
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. Austin Bou, RD, CDCESLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 276-0126 Dr. Janet JohnstonLos Alamitos, CA · No drug or device payments recorded (2025) ·
(626) 644-6045 Dr. Karin London, MPH, RDLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 596-1921 Dr. Katrina Lopez, RDNLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 810-5194 Dr. Kristin Biddle, R.D.Los Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 394-3780 Dr. Mary Seiersen, RDELos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 296-5528 Dr. Shiromi Geffrey, M.S., R.D.N.Los Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 493-0242 Common questions
How many Registered Dietitian providers are in Los Alamitos, California?There are 7 Registered Dietitian providers with active NPI records practicing in Los Alamitos, 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 Alamitos Registered Dietitian across California
