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

DUNCAN CLARENCE TIEMEYER LPC
NPI 1942097761
Counselor - Mental Health in Edmond, OK

Active since April 23, 2025
925 NW 164TH ST STE A, EDMOND, OK 73013(832) 764-9877 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 28, 2026, Jul 1, 2025 (2 updates tracked since 2025).

About Duncan Clarence Tiemeyer Lpc NPPES

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

DUNCAN CLARENCE TIEMEYER LPC (NPI 1942097761) is an individual mental health provider in Edmond, Oklahoma and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1942097761
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDUNCAN CLARENCE TIEMEYERCredential: LPC
Location Address925 NW 164TH ST STE AEdmond, OK 73013-1042
Mailing Address2727 Ridgeview DrOklahoma City, OK 73120-3001
Sole ProprietorNo
Enumeration DateApril 23, 2025
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1942097761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X
925 NW 164TH ST STE A, Edmond, OK 73013

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.

Counselor (Professional)
925 NW 164TH ST STE A
EDMOND, OK 73013
Counselor (Professional)
925 NW 164TH ST STE A
EDMOND, OK 73013
Clinic/Center (Adult Mental Health)
925 NW 164TH ST STE A
EDMOND, OK 73013

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 Duncan Tiemeyer's NPI number?

The NPI number for Duncan Tiemeyer is 1942097761. It was assigned to this individual provider in the NPPES registry on April 23, 2025.

Where is Duncan Tiemeyer located?

Duncan Tiemeyer practices at 925 NW 164th St Ste A, Edmond, OK 73013. The listed phone number is (832) 764-9877.

What is Duncan Tiemeyer's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Duncan Tiemeyer was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.