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Registered Dietitians in California

Data updated monthly · Last refresh October 2026

7,184 Registered Dietitian providers practice in California, including 183 (3%) offering telehealth. The largest concentration is in San Diego. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

7,184providers
183telehealth
San Diegotop city

Registered Dietitian by city in California

Choose a city to see providers there.

Registered Dietitian in San Diego505 providers
Registered Dietitian in Los Angeles487 providers
Registered Dietitian in San Francisco429 providers
Registered Dietitian in Sacramento231 providers
Registered Dietitian in San Jose151 providers
Registered Dietitian in Oakland130 providers
Registered Dietitian in Palo Alto119 providers
Registered Dietitian in Fresno107 providers
Registered Dietitian in Long Beach100 providers
Registered Dietitian in Riverside92 providers
Registered Dietitian in Irvine80 providers
Registered Dietitian in Santa Monica70 providers
Registered Dietitian in Santa Rosa63 providers
Registered Dietitian in Bakersfield62 providers
Registered Dietitian in Newport Beach61 providers
Registered Dietitian in Torrance61 providers
Registered Dietitian in Fremont53 providers
Registered Dietitian in Loma Linda51 providers
Registered Dietitian in Roseville50 providers
Registered Dietitian in Stockton49 providers
Registered Dietitian in Walnut Creek48 providers
Registered Dietitian in Santa Clara47 providers
Registered Dietitian in La Jolla46 providers
Registered Dietitian in Santa Barbara46 providers

Registered Dietitian providers in California

Listed by city, largest first. 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. Orli Danieli, RD
San Francisco, CA · No drug or device payments recorded (2025) · (818) 665-6540
Dr. Paige Bossart, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 971-8002
Dr. Paige Paswaters, RD, CNSC, CP-FS
San Francisco, CA · No drug or device payments recorded (2025) · (928) 846-1154
Dr. Patricia Booth, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (650) 483-3925
Dr. Peter Mak, R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Rachael Bia, RD
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Rachel Moore, MS, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (916) 524-2223
Dr. Rama Awad
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Ramon Soto, RDN, CDCES
San Francisco, CA · No drug or device payments recorded (2025) · (650) 400-5035
Dr. Reagan Tierney, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (925) 451-6681
Dr. Rebecca Hayes
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Rebecca Lee, RD
San Francisco, CA · No drug or device payments recorded (2025) · (805) 453-6710
Dr. Rebecca Ringer, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Reva Badri, MS, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 328-5134
Dr. River Maxwell, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 745-0246
Dr. Robin Horlacher, RD
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Rosa Keller, PH.D., R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (541) 226-8188
Dr. Rosario Lopez, REGISTERED DIETITIAN
San Francisco, CA · No drug or device payments recorded (2025) · (415) 552-1013
Dr. Rose O'keeffe, RDN, LDN
San Francisco, CA · No drug or device payments recorded (2025) · (831) 484-7713
Dr. Rose Tan
San Francisco, CA · No drug or device payments recorded (2025) · (415) 800-2311
Dr. Rozane Gee, RD MS CDE
San Francisco, CA · No drug or device payments recorded (2025) · (415) 600-0110
Dr. Ryan Ng, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 730-4840
Dr. Sabrina Metzger, RDN, CDECS
San Francisco, CA · No drug or device payments recorded (2025) · (650) 260-6072
Dr. Sabrina Smith, RD
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Samantha Lee, RD
San Francisco, CA · No drug or device payments recorded (2025) · (628) 233-8517
Dr. Samantha Spiegel Smith, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 443-2920
Dr. Samantha Treyve, MS, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 640-8910
Dr. Sandra Johnson Harris, RD, LD/N
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Sara Ansari, R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 923-3155
Dr. Sara Emmanuel, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (800) 201-9353
Dr. Sara Falk, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (121) 258-9270
Dr. Sarah Firebaugh, RDN
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (925) 719-0443
Dr. Sarah Gulli, RDN
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Sarah Koszyk, M.A., R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 398-2102
Dr. Sarah Mencia Fernandez, MAS, RD, CSP, IBCLC
San Francisco, CA · No drug or device payments recorded (2025) · (415) 514-8818
Dr. Sarah O'brien, R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 217-9729
Dr. Sarah Thiel, RD
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Sara Jafari, RD, LD
San Francisco, CA · No drug or device payments recorded (2025) · (831) 484-7713
Dr. Sarianne Madsen, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-3575
Dr. Savannah Hudson, RD
San Francisco, CA · No drug or device payments recorded (2025) · (212) 589-2700
Dr. Seo Ho Moon, RD
San Francisco, CA · No drug or device payments recorded (2025) · (628) 258-3801
Dr. Shanna Marie Maragh, RD
San Francisco, CA · No drug or device payments recorded (2025) · (347) 769-1559
Dr. Shannon Gilmore, MS, RD
San Francisco, CA · No drug or device payments recorded (2025) · (310) 508-1522
Dr. Shannon Lee, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1032
Dr. Shari Lilly, MS, RD/RDN, CHES
San Francisco, CA · No drug or device payments recorded (2025) · (408) 444-5376
Dr. Sharon Kong, RD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 398-2102
Dr. Sheena Paguio
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Shelby Secor, RD, LD, CPT
San Francisco, CA · No drug or device payments recorded (2025) · (925) 325-6065
Dr. Sherri Shafer, RD, CDE
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-2788
Dr. Sherry Lam, R.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 221-4810

Common questions

How many Registered Dietitian providers are in California?

There are 7,184 Registered Dietitian providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Registered Dietitian providers in California offer telehealth?

Yes. 183 of the 7,184 Registered Dietitian providers in California (about 3%) report offering telehealth services in CMS data.

Which cities in California have the most Registered Dietitian providers?

San Diego (505), Los Angeles (487), San Francisco (429) have the highest concentration of Registered Dietitian providers in California.

How many Registered Dietitian providers in California received drug or device company payments?

1 of 7,184 Registered Dietitian providers in California (0%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles 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.

Which hospitals do Registered Dietitians in California work at?

According to CMS facility affiliation records, the California hospitals where the most Registered Dietitians hold privileges are UC San Diego Health Hillcrest - Hillcrest Med Ctr in San Diego; Ronald Reagan UCLA Medical Center in Los Angeles.

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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. Are you a Registered Dietitian in California? Get featured.