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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. Elisa Itkowitz, REGISTERED DIETITIAN
San Jose, CA · No drug or device payments recorded (2025) · Telehealth · (408) 493-3321
Dr. Elsie Szeto, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 975-2730
Dr. Fatemeh Ramezani
San Jose, CA · No drug or device payments recorded (2025) · (171) 485-2705
Dr. Francine Pack, RD CDCES
San Jose, CA · No drug or device payments recorded (2025) · (408) 219-7225
Dr. Gina Schlocker, R.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 445-3400
Dr. Guadalupe Celallos Sanchez, RDN
San Jose, CA · No drug or device payments recorded (2025) · (510) 770-8141
Dr. Harramanjoyt Hans-brar, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2501
Dr. Heather Newberry, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 722-7287
Dr. Huong Nguyen
San Jose, CA · No drug or device payments recorded (2025) · (408) 375-5183
Dr. Isabella Occhipinti, RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 712-5531
Dr. Ivonne De Hull, RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 656-1202
Dr. Jaclyn Smith, R.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-6530
Dr. Jamie Salas-duarte, RD
San Jose, CA · No drug or device payments recorded (2025) · (669) 280-6546
Dr. Janee Nguyen, RD
San Jose, CA · No drug or device payments recorded (2025) · (707) 330-0010
Dr. Janine Penha, RD, CDE
San Jose, CA · No drug or device payments recorded (2025) · Telehealth · (707) 337-2163
Dr. Jenifer Moretto Simon, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7241
Dr. Jenna Delfino, MS, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 603-4835
Dr. Jennifer Glass, R.D.N.
San Jose, CA · No drug or device payments recorded (2025) · (510) 320-3438
Dr. Jennifer Helleen, R.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-3000
Dr. Jessica Avalos Guerrero
San Jose, CA · No drug or device payments recorded (2025) · (408) 694-8933
Dr. Jingze Tian
San Jose, CA · No drug or device payments recorded (2025) · (216) 206-9222
Dr. Jocelyn De Leon, RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 887-3892
Dr. Joshua New
San Jose, CA · No drug or device payments recorded (2025) · (806) 777-9370
Dr. Julianne Brauer, MPH, RD
San Jose, CA · No drug or device payments recorded (2025) · (800) 913-2615
Dr. Junna Belle Vallarta, RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 314-0592
Dr. Kamini Kelkar, MS RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 215-8551
Dr. Karen Kuo, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2501
Dr. Karen Pan, RD CDE
San Jose, CA · No drug or device payments recorded (2025) · (408) 998-2325
Dr. Karina Perez
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Kasuen Mauldin, PHD, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 924-3109
Dr. Katherine Berger, RD
San Jose, CA · No drug or device payments recorded (2025) · (858) 205-9478
Dr. Katherine Woten, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 310-2041
Dr. Katherin Guevara Ocampo, RD
San Jose, CA · No drug or device payments recorded (2025) · (510) 375-7545
Dr. Kathleen Leger
San Jose, CA · No drug or device payments recorded (2025) · (408) 961-9892
Dr. Kathleen Webster, MS, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 998-2325
Dr. Kathryn Wahl, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 284-2812
Dr. Kelsie Hill, RDN, LD
San Jose, CA · No drug or device payments recorded (2025) · (775) 240-1774
Dr. Kimberly Whelan, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 998-2325
Dr. Kristi Blumstein, R.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 445-3400
Dr. Kuan Yen Siew, MS, RDN
San Jose, CA · No drug or device payments recorded (2025) · (405) 642-6450
Dr. Lillian Huynh, RD
San Jose, CA · No drug or device payments recorded (2025) · (800) 464-4000
Dr. Lillian Kirby, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5935
Dr. Linda Bernstein, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Linh Nguyen, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 307-2580
Dr. Lisa Daniels, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-3000
Dr. Lisa Skrenchuk
San Jose, CA · No drug or device payments recorded (2025) · (408) 793-2670
Dr. Lorie Zampedri
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-3047
Dr. Luz Aceves Gonzalez, MS, RDN
San Jose, CA · No drug or device payments recorded (2025) · (408) 957-8601
Dr. Lynette Schlick, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 918-2618
Dr. Mahtab Moridi, RD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-3000

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.