NPI Portal NPI Lookup & Verification

Dr. Joseph Greiner, DDS

Dr. Joseph Greiner is a General Practice Dentistry provider (Dentist) practicing in Mentor, OH, registered in the NPPES registry with NPI 1417523010 since 2021. The credential DDS stands for Doctor of Dental Surgery. Practices at Drs. Greiner, Visger Dental Associates, Inc (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1417523010
Entity type Individual (Type 1)
Name Dr. Joseph Greiner
Credential DDS
Sex Male
Practice address Mentor, OH, 44060
Phone 4402552600
Enumeration date 2021-06-03
Last updated in NPPES 2021-06-03

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 30.026448 OH

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: Joseph Greiner, DDS
NPI: 1417523010
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Mentor, OH, 44060

Other providers at this practice address

NPI Name Type Specialty Location
1710032347 Anna Visger Individual General Practice Dentistry Mentor, OH
1912052556 Steven Greiner Individual General Practice Dentistry Mentor, OH
1689848087 Drs. Greiner, Visger Dental Associates, Inc Organization General Practice Dentistry Mentor, OH

Verify this record

Cross-check NPI 1417523010 against the authoritative CMS record: view Dr. Joseph Greiner on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

How do I verify Joseph Greiner's NPI record?
Cross-check NPI 1417523010 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1417523010 active?
Yes — as of the latest NPPES snapshot, NPI 1417523010 is active (record last updated 2021-06-03).

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-06-03.