CLARISSA HOM MPH, RD
NPI 1831961226
Dietitian, Registered - Nutrition, Pediatric in San Mateo, CA
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
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clarissa Hom Mph, Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Clarissa Hom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90025
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
SAN MATEO, CA 94403
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.
Which organization bills Medicare for Clarissa Hom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clarissa Hom reassigns Medicare benefits to Amae Health Medical Associates, PC (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Clarissa Hom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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 12 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.
# Clarissa Hom, MPH, RD · NPI 1831961226
Nutrition, Pediatric provider in San Mateo, California. Individual provider, active in the CMS NPPES registry since October 27, 2023.
## Identity
- **NPI:** 1831961226 (Entity type: Individual)
- **Enumerated:** October 27, 2023
- **Primary specialty:** Dietitian, Registered - Nutrition, Pediatric · taxonomy 133VN1004X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1900 OFARRELL ST STE 250, San Mateo, CA 94403-1387
- **Phone:** (650) 422-7475
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Amae Health Medical Associates, PC (NPI 1346958295, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831961226) · Data from the CMS NPPES public registry.