NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Green & Nahernak DDS PC

Dentist in Cass City, MI · enumerated 2006 · authorized official Nicholas Nahernak, Owner-Doctor.

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

National Provider Identifier

1770503195

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Green & Nahernak DDS PC
Practice address 6506 Church Street, Cass City, MI, 48726
Fax (989) 872-4471
Enumeration date Jul 20, 2006
Last updated in NPPES Dec 9, 2014

Taxonomy & classification

122300000X Dentist Dental Providers Primary

Authorized official

Name Nicholas Nahernak
Title Owner-Doctor

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

Who is the authorized official for Green & Nahernak DDS PC?
NPPES lists Nicholas Nahernak (Owner-Doctor) as the authorized official for this organization.
What is the NPI number for Green & Nahernak DDS PC?
The NPI for Green & Nahernak DDS PC is 1770503195, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-12-09.