CLARISSA HOM MPH, RD
NPI 1831961226
Dietitian, Registered - Nutrition, Pediatric in San Mateo, CA

Q: What is Clarissa Hom's NPI number?

The NPI number for Clarissa Hom is 1831961226. It was assigned to this individual provider in the NPPES registry on October 27, 2023.

Q: What is Clarissa Hom's specialty?

The primary specialty registered for this NPI is Dietitian, Registered, specializing in Nutrition, Pediatric, with taxonomy code 133VN1004X.

Q: When was this NPI record last updated?

The NPPES record for Clarissa Hom was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 27, 2023

1900 OFARRELL ST STE 250, SAN MATEO, CA 94403(650) 422-7475 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Clarissa Hom Mph, Rd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLARISSA HOM MPH, RD (NPI 1831961226) is an individual nutrition, pediatric provider in San Mateo, California and active in the NPI registry since October 2023. She is a graduate of Other (2020).

NPPES Registry Identity

NPI1831961226

Entity TypeIndividualFemale

Primary Taxonomy133VN1004X

Provider Legal NameCLARISSA HOMCredential: MPH, RD

Location Address1900 OFARRELL ST STE 250San Mateo, CA 94403-1387

Mailing Address1900 Ofarrell St Ste 250San Mateo, CA 94403-1387

Phone(650) 422-7475

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateOctober 27, 2023

Last NPPES UpdateOctober 20, 2025

NPPES CertifiedOctober 20, 2025

✔ NPI 1831961226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, Registered · Nutrition, PediatricDietary & Nutritional Service Providers

Taxonomy Code133VN1004X

Definition

An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients. Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.

1900 OFARRELL ST STE 250, San Mateo, CA 94403

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clarissa Hom Mph, Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5092290064

PECOS Enrollment IDI20260327001235

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMAE HEALTH MEDICAL ASSOCIATES CALIFORNIA, PC

Psychiatry & Neurology (Psychiatry)

1900 OFARRELL ST STE 250
SAN MATEO, CA 94403

San Mateo County (347) 407-0343

MS. BARBARA JEAN NETER PT

Specialist

1900 OFARRELL ST STE 250
SAN MATEO, CA 94403

San Mateo County (650) 645-1100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Clarissa Hom's NPI number?

The NPI number for Clarissa Hom is 1831961226. It was assigned to this individual provider in the NPPES registry on October 27, 2023.

Where is Clarissa Hom located?

Clarissa Hom practices at 1900 Ofarrell St Ste 250, San Mateo, CA 94403. The listed phone number is (650) 422-7475.

What is Clarissa Hom's specialty?

The primary specialty registered for this NPI is Dietitian, Registered, specializing in Nutrition, Pediatric, with taxonomy code 133VN1004X.

Is Clarissa Hom enrolled in Medicare?

Yes. Clarissa Hom is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Clarissa Hom was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.