Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marissa Friday

Occupational Therapist in Okemos, MI · enumerated 2020.

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

National Provider Identifier

1649877739

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Registry record

Entity type Individual (Type 1)

Name Marissa Friday

Sex Female

Practice address 3860 Dobie Rd, Okemos, MI, 48864

Phone (517) 381-6100

Enumeration date Oct 2, 2020

Last updated in NPPES Jan 3, 2024

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 440586 (CA) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5201011001 (MI) 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

Is NPI 1649877739 active?

Yes, as of the latest NPPES snapshot, NPI 1649877739 is active (record last updated 2024-01-03).

How do I verify Marissa Friday's NPI record?

Cross-check NPI 1649877739 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-03.