DR. GREGORY M. OKONIEWSKI DDS
NPI 1649258609
Dentist - General Practice in Auburn Hills, MI

Q: What is Gregory Okoniewski's NPI number?

The NPI number for Gregory Okoniewski is 1649258609. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Q: What is Gregory Okoniewski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Active since January 09, 2006

3916 AUBURN RD, SUITE 100, AUBURN HILLS, MI 48326(248) 852-1820(248) 852-1056 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Gregory M. Okoniewski Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY M. OKONIEWSKI DDS (NPI 1649258609) is an individual general practice provider in Auburn Hills, Michigan, licensed in Michigan (13796) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1649258609

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. GREGORY M. OKONIEWSKICredential: DDS

Location Address3916 AUBURN RD, SUITE 100Auburn Hills, MI 48326-3322

Mailing Address3916 Auburn Rd, Suite 100Auburn Hills, MI 48326-3322 · (248) 852-1820 · Fax (248) 852-1056

Phone(248) 852-1820

Fax(248) 852-1056

Sole ProprietorYes

Enumeration DateJanuary 9, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1649258609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MI · 13796

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

3916 AUBURN RD, Auburn Hills, MI 48326

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Delta Dental of Michigan.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Okoniewski's NPI number?

The NPI number for Gregory Okoniewski is 1649258609. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Gregory Okoniewski located?

Gregory Okoniewski practices at 3916 Auburn Rd Suite 100, Auburn Hills, MI 48326. The listed phone number is (248) 852-1820.

What is Gregory Okoniewski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Gregory Okoniewski accept?

Health plans from Delta Dental of Michigan list Gregory Okoniewski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Okoniewski was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.