NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark A Gentner, D.D.S.

General Practice Dentistry in Sterling Heights, MI · enumerated 2006.

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

National Provider Identifier

1386695138

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Mark A Gentner
Credential D.D.S.
Sex Male
Practice address 5556 Metropolitan Parkway, Suite B, Sterling Heights, MI, 48310
Phone (586) 939-5980
Fax (586) 939-3409
Enumeration date May 15, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 13458 (MI) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier Type State Issuer
432635 Other MI UNITED CONCORDIA PROVIDER

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 Mark Gentner?
The National Provider Identifier (NPI) for Mark Gentner is 1386695138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Gentner practice?
The practice location on file with NPPES is in Sterling Heights, 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 2007-07-08.