Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gary L Doublestein, D.O.

Obstetrics & Gynecology Physician in Muskegon, MI · enumerated 2006.

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

National Provider Identifier

1760445571

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Registry record

Entity type Individual (Type 1)

Name Gary L Doublestein

Credential D.O.

Sex Male

Practice address 1675 Leahy St Ste 201a, Muskegon, MI, 49442

Phone (231) 672-6600

Fax (231) 727-4444

Enumeration date Apr 11, 2006

Last updated in NPPES Dec 19, 2018

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 5101008100 (MI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

Is NPI 1760445571 active?

Yes, as of the latest NPPES snapshot, NPI 1760445571 is active (record last updated 2018-12-19).

How do I verify Gary Doublestein's NPI record?

Cross-check NPI 1760445571 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 2018-12-19.