Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Margaret A Cook

Psychologist in Three Rivers, MI · enumerated 2005.

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

National Provider Identifier

1376539031

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Registry record

Entity type Individual (Type 1)

Name Ms. Margaret A Cook

Sex Female

Practice address 210 S Main St, Three Rivers, MI, 49093

Phone (269) 273-5000

Fax (269) 273-8019

Enumeration date Sep 27, 2005

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 6401005966 (MI) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 39000300A (IN) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301009257 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
1708146	Medicaid	MI	-

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 1376539031 active?

Yes, as of the latest NPPES snapshot, NPI 1376539031 is active (record last updated 2025-09-11).

How do I verify Margaret Cook's NPI record?

Cross-check NPI 1376539031 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 2025-09-11.