Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Timothy Robert Marsh, DO

Surgery Physician in West Branch, MI · enumerated 2006.

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

National Provider Identifier

1477639672

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Timothy Robert Marsh

Credential DO

Sex Male

Practice address 2339 Progress, Suite A, West Branch, MI, 48661

Phone (989) 345-1226

Fax (989) 345-7702

Enumeration date Oct 31, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License TM102387 (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

What is the NPI number for Timothy Marsh?

The National Provider Identifier (NPI) for Timothy Marsh is 1477639672, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Marsh practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.