NPI Portal NPI Lookup & Verification

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

William John Cottrell III, D.P.M.

Podiatrist in Saginaw, MI · enumerated 2010 · practices at Saginaw Chiropractic.

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

National Provider Identifier

1649584012

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William John Cottrell III
Credential D.P.M.
Sex Male
Practice address Saginaw, MI, 48638
Phone (989) 752-8189
Enumeration date Jul 28, 2010
Last updated in NPPES Dec 21, 2015

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

Taxonomy & licenses

213E00000X Podiatrist Podiatric Medicine & Surgery Service Providers · License L2458549 (MI) Primary
DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle. About the DPM credential

Other identifiers

Identifier Type State Issuer
P34620019 Other MI MEDICARE PTAN

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 William Cottrell?
The National Provider Identifier (NPI) for William Cottrell is 1649584012, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Cottrell practice?
The practice location on file with NPPES is in Saginaw, MI. 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 2015-12-21.