NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Greg M. Noah, O.D.

Optometrist in Traverse City, MI · enumerated 2005 · practices at Grand Traverse Ophthalmology Clinic PC.

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

National Provider Identifier

1891789822

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Greg M. Noah
Credential O.D.
Sex Male
Practice address 929 Business Park Dr, Traverse City, MI, 49686
Phone (231) 947-6246
Fax (231) 947-8864
Enumeration date Sep 6, 2005
Last updated in NPPES Jun 7, 2018

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 4901003086 (MI) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
900E110240 Other MI BCBSM
4971770 Medicaid MI -
900E300160 Other MI BLUE CROSS BLUE SHIELD OF MICHIGAN
900F410030 Other MI BCBS OF MICHIGAN
4971752 Medicaid MI -
P00397246 Other MI RAILROAD MEDIICARE
4971743 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 Greg Noah?
The National Provider Identifier (NPI) for Greg Noah is 1891789822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Greg Noah practice?
The practice location on file with NPPES is in Traverse City, 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 2018-06-07.