NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Sherrie Grizzelle

Addiction (Substance Use Disorder) Counselor in Upland, CA · enumerated 2016 · practices at Inland Valley Drug and Alcohol Recovery Services.

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

National Provider Identifier

1871048900

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Sherrie Grizzelle
Sex Female
Practice address Upland, CA, 91786
Fax (909) 931-3774
Enumeration date Aug 18, 2016
Last updated in NPPES Sep 30, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 17044 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sherrie Grizzelle?
The National Provider Identifier (NPI) for Sherrie Grizzelle is 1871048900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sherrie Grizzelle practice?
The practice location on file with NPPES is in Upland, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-30.