Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GREGORY ALLEN SPIELMANN D.D.S
NPI 1679756175
Dentist - General Practice in Oklahoma City, OK

Q: What is Gregory Spielmann's NPI number?

The NPI number for Gregory Spielmann is 1679756175. It was assigned to this individual provider in the NPPES registry on December 7, 2007.

Q: What is Gregory Spielmann's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Spielmann was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.

Active since December 07, 2007PECOS Enrolled

4400 NW 63RD ST, OKLAHOMA CITY, OK 73116(405) 848-7780(405) 730-0399 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 11, 2026, Apr 6, 2020 (2 updates tracked since 2020).

On this page

About Dr. Gregory Allen Spielmann D.d.s NPPES

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

DR. GREGORY ALLEN SPIELMANN D.D.S (NPI 1679756175) is an individual general practice provider in Oklahoma City, Oklahoma, licensed in Oklahoma (5963) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679756175

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. GREGORY ALLEN SPIELMANNCredential: D.D.S

Location Address4400 NW 63RD STOklahoma City, OK 73116-1509

Mailing Address4400 Nw 63rd StOklahoma City, OK 73116-1509 · (405) 848-7780 · Fax (405) 730-0399

Phone(405) 848-7780

Fax(405) 730-0399

Sole ProprietorYes

Enumeration DateDecember 7, 2007

Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1679756175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in OK · 5963

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.

4400 NW 63RD ST, Oklahoma City, OK 73116

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Allen Spielmann D.d.s is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.46 typical visit price

range $53.00 – $162.61

Typical copayment $20.61 (range $13.25 – $40.65)

Most-billed visit code 99203

Established Patient

$66.48 typical visit price

range $16.68 – $132.40

Typical copayment $16.62 (range $4.17 – $33.10)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEFNER WEST MEDICAL CLINIC, P.C.

Legal Medicine

4400 NW 63RD ST
OKLAHOMA CITY, OK 73116

Oklahoma County (405) 942-0090

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 Spielmann's NPI number?

The NPI number for Gregory Spielmann is 1679756175. It was assigned to this individual provider in the NPPES registry on December 7, 2007.

Where is Gregory Spielmann located?

Gregory Spielmann practices at 4400 NW 63rd St, Oklahoma City, OK 73116. The listed phone number is (405) 848-7780.

What is Gregory Spielmann's specialty?

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

Is Gregory Spielmann enrolled in Medicare?

Yes. Gregory Spielmann is registered in the Medicare PECOS enrollment system.

What insurance does Gregory Spielmann accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and HRI Dental & Vision and 4 other insurers list Gregory Spielmann 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 Spielmann was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.