NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew C Griffin, D.O.

Internal Medicine Physician in Ypsilanti, MI · enumerated 2014.

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

National Provider Identifier

1144649690

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Matthew C Griffin
Credential D.O.
Sex Male
Practice address 5301 Mcauley Drive, Iha Hospital Medicine Services, Ypsilanti, MI, 48197
Phone (734) 712-8676
Fax (855) 495-5457
Enumeration date Apr 14, 2014
Last updated in NPPES May 7, 2026

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 5101021282 (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

Other identifiers

Identifier Type State Issuer
1144649690 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

What is the NPI number for Matthew Griffin?
The National Provider Identifier (NPI) for Matthew Griffin is 1144649690, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Griffin practice?
The practice location on file with NPPES is in Ypsilanti, 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 2026-05-07.