Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allyson Grieco

Registered Nurse in Sacramento, CA · enumerated 2020.

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

National Provider Identifier

1851908396

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Registry record

Entity type Individual (Type 1)

Name Allyson Grieco

Sex Female

Practice address 4600 Broadway, Sacramento, CA, 95820

Phone (916) 874-9670

Enumeration date Sep 29, 2020

Last updated in NPPES Sep 29, 2020

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 95216320 (CA) Primary

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.

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Frequently asked questions

What is the NPI number for Allyson Grieco?

The National Provider Identifier (NPI) for Allyson Grieco is 1851908396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allyson Grieco practice?

The practice location on file with NPPES is in Sacramento, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Elaine White Adult Health Nurse Practitioner · Sacramento, CA NPI 1588669378 Julie Motosue-Brennan Psychiatry Physician · Sacramento, CA NPI 1003806498 Mary Hansen Community Health Registered Nurse · Sacramento, CA NPI 1386607729 Colleen Chueh Registered Nurse · Sacramento, CA NPI 1780640649 Victoria Deloney Gerontology Registered Nurse · Sacramento, CA NPI 1992761241 Sadegh Golkar Family Medicine Physician · Sacramento, CA NPI 1619928504 Thomas Bertsch Critical Care Medicine (Internal Medicine) Physician · Sacramento, CA NPI 1235180944 Sarah Teutsch Community Health Registered Nurse · Sacramento, CA NPI 1801848031

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-29.