Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Belkys Geronimo, R.D.

Registered Dietitian in Oakland, CA · enumerated 2015.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1063883254

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Registry record

Entity type Individual (Type 1)

Name Belkys Geronimo

Credential R.D.

Sex Female

Practice address 3451 E 12th St, Oakland, CA, 94601

Phone (510) 535-3500

Enumeration date Oct 13, 2015

Last updated in NPPES Oct 13, 2015

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 642175 (CA) Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Belkys Geronimo?

Belkys Geronimo is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-13.