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

DR. MARK TANNER HANSTEIN D.D.S.
NPI 1972545838
Dentist - General Practice in Oklahoma City, OK

Q: What is Mark Hanstein's NPI number?

The NPI number for Mark Hanstein is 1972545838. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Mark Hanstein'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 Mark Hanstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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 June 12, 2006

201 ROBERT S KERR AVE, SUITE 521, OKLAHOMA CITY, OK 73102(405) 235-7288(405) 235-9581 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mark Tanner Hanstein D.d.s. NPPES

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

DR. MARK TANNER HANSTEIN D.D.S. (NPI 1972545838) is an individual general practice provider in Oklahoma City, Oklahoma, licensed in Oklahoma (4693) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1972545838

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARK TANNER HANSTEINCredential: D.D.S.

Location Address201 ROBERT S KERR AVE, SUITE 521Oklahoma City, OK 73102-4205

Mailing Address201 Robert S Kerr Ave, Suite 521Oklahoma City, OK 73102-4205 · (405) 235-7288 · Fax (405) 235-9581

Phone(405) 235-7288

Fax(405) 235-9581

Sole ProprietorNo

Enumeration DateJune 12, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1972545838 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 · 4693

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.

201 ROBERT S KERR AVE, Oklahoma City, OK 73102

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Accepted Insurance

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

Other Providers at the Same Location NPPES 3

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

MARK T. HANSTEIN, D.D.S., INC.

Dentist (General Practice)

201 ROBERT S KERR AVE, SUITE 521
OKLAHOMA CITY, OK 73102

Oklahoma County (405) 235-7288

ALEXANDRA GOTSCHE

Psychiatry & Neurology (Psychiatry)

201 ROBERT S KERR AVE, STE 700 (PRIVATE OFFICE 712)
OKLAHOMA CITY, OK 73102

Oklahoma County (833) 351-8255

BLOSSOM ABA THERAPY OK LLC

Behavior Analyst

201 ROBERT S KERR AVE
OKLAHOMA CITY, OK 73102

Oklahoma County (857) 327-5283

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 Mark Hanstein's NPI number?

The NPI number for Mark Hanstein is 1972545838. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Mark Hanstein located?

Mark Hanstein practices at 201 Robert S Kerr Ave Suite 521, Oklahoma City, OK 73102. The listed phone number is (405) 235-7288.

What is Mark Hanstein's specialty?

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

What insurance does Mark Hanstein accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Guardian list Mark Hanstein 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 Mark Hanstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.