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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. Karina Nava
Pomona, CA · No drug or device payments recorded (2025) · (909) 620-8088
Dr. Katherine Harms, RD
Pomona, CA · No drug or device payments recorded (2025) · (909) 596-7733
Dr. Kelly Mai, RD
Pomona, CA · No drug or device payments recorded (2025) · (626) 388-7834
Dr. Kyungyeon Kim, RD
Pomona, CA · No drug or device payments recorded (2025) · (917) 575-8045
Dr. Maria Castelan, RD
Pomona, CA · No drug or device payments recorded (2025) · (909) 528-5046
Dr. Marilu Romero
Pomona, CA · No drug or device payments recorded (2025) · (909) 278-8079
Dr. Melanie Barbee, MS RD
Pomona, CA · No drug or device payments recorded (2025) · (909) 706-3779
Dr. Steven Chinos, RD
Pomona, CA · No drug or device payments recorded (2025) · (626) 213-4810
Dr. Sulaima Abdin-arafeh
Pomona, CA · No drug or device payments recorded (2025) · (909) 622-1069
Dr. Teresa Landis
Pomona, CA · No drug or device payments recorded (2025) · (909) 519-3207
Dr. Abeer Lutfi, RD
Porter Ranch, CA · No drug or device payments recorded (2025) · (818) 496-7517
Dr. Brigitte Caille, R.D.
Porter Ranch, CA · No drug or device payments recorded (2025) · (818) 831-8000
Dr. Glenda Dardashti, MS, RDN
Porter Ranch, CA · No drug or device payments recorded (2025) · (213) 272-7073
Dr. Josephine Hadiwidjojo, MS, RD, CDN
Porter Ranch, CA · No drug or device payments recorded (2025) · (818) 585-1163
Dr. Juliette Vaspra, MS, RDN
Porter Ranch, CA · No drug or device payments recorded (2025) · (808) 381-6343
Dr. Karmen Ovsepyan, MS, RD
Porter Ranch, CA · No drug or device payments recorded (2025) · (818) 631-1300
Dr. Amy Greer, RD
Porterville, CA · No drug or device payments recorded (2025) · (760) 885-8425
Dr. Elizabeth Tabet, R.D.
Porterville, CA · No drug or device payments recorded (2025) · (559) 737-4700
Dr. Esther Perez, RD
Porterville, CA · No drug or device payments recorded (2025) · (559) 781-7242
Dr. Marcia Roper, RD CDE
Porterville, CA · No drug or device payments recorded (2025) · (559) 784-2316
Dr. Paula Cowdrey, RD
Porterville, CA · No drug or device payments recorded (2025) · (559) 784-2316
Dr. Andrea Magana, REGISTERED DIETITIAN
Port Hueneme, CA · No drug or device payments recorded (2025) · (805) 663-7063
Dr. Jennifer Vimbor, MS, RD
Portola, CA · No drug or device payments recorded (2025) · (530) 832-6532
Dr. Kathleen Casey, RD
Potter Valley, CA · No drug or device payments recorded (2025) · (707) 367-7082
Dr. Carol Simpson, M.S.,R.D.
Poway, CA · No drug or device payments recorded (2025) · (858) 485-5184
Dr. Christine Mcnamara, MPH, RDN
Poway, CA · No drug or device payments recorded (2025) · (858) 344-8989
Dr. Edward Padilla, MA, MS, RDN
Poway, CA · No drug or device payments recorded (2025) · (858) 218-4994
Dr. Heather Hoffpauir-nagel, MS, RD, LD, CD
Poway, CA · No drug or device payments recorded (2025) · (858) 337-2535
Dr. Janice Baker, R.D. CDE
Poway, CA · No drug or device payments recorded (2025) · (619) 742-0145
Dr. Olivia Najjar
Poway, CA · No drug or device payments recorded (2025) · (619) 405-1626
Dr. Paula Caetano, MS, RDN
Poway, CA · No drug or device payments recorded (2025) · (619) 537-9777
Dr. Taylor Lewallen, RD
Poway, CA · No drug or device payments recorded (2025) · (623) 238-3452
Dr. Tracy Daly, MS, RD
Poway, CA · No drug or device payments recorded (2025) · (858) 943-1096
Dr. Michelle Goldberg, RD
Presidio Of Monterey, CA · No drug or device payments recorded (2025) · (831) 242-5907
Dr. Katsiaryna Varnum, RDN
Quartz Hill, CA · No drug or device payments recorded (2025) · (661) 365-9259
Dr. Kay Lund, RD, CDCES
Quincy, CA · No drug or device payments recorded (2025) · (541) 892-4808
Dr. Karen Lee, RD
Ramona, CA · No drug or device payments recorded (2025) · (858) 230-4930
Dr. Michelle Snyder, RD, IBCLC
Ramona, CA · No drug or device payments recorded (2025) · (760) 803-8408
Dr. Christopher Husing, R.D., L.D.
Rancho Cordova, CA · No drug or device payments recorded (2025) · (916) 638-4735
Dr. Edgar Romo
Rancho Cordova, CA · No drug or device payments recorded (2025) · (310) 367-7569
Dr. Kelly Barnes
Rancho Cordova, CA · No drug or device payments recorded (2025) · Telehealth · (916) 208-0552
Dr. Melissa Dupuis, MS, RD, CSR
Rancho Cordova, CA · No drug or device payments recorded (2025) · (916) 638-8429
Dr. Michele Lites
Rancho Cordova, CA · No drug or device payments recorded (2025) · (916) 631-2730
Dr. Sarah Olson, MDA, RD
Rancho Cordova, CA · No drug or device payments recorded (2025) · (760) 981-2627
Dr. Amanda Patch, RD, CD
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · (909) 771-8023
Dr. Annique Cornejo, MS, RD
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · (909) 771-8023
Dr. Brooke Nemo, RDN
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · Telehealth · (909) 746-8707
Dr. Courtney Aguiar
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · (909) 552-2434
Dr. Darlene Martens, RD
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · (909) 463-5408
Dr. Elise Lowe, MS, RD
Rancho Cucamonga, CA · No drug or device payments recorded (2025) · (909) 658-5130

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.