Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

GRAND LAKE MENTAL HEALTH CENTER, INC.
NPI 1043134471
Clinic/Center - Mental Health (Including Community Mental Health Center) in Guymon, OK

Q: What is Grand Lake Mental Health Center, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Active since August 07, 2026

1521 NE HIGHWAY 54, GUYMON, OK 73942(918) 420-9727 Get Directions Write a Review

NPPES record added: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Grand Lake Mental Health Center, Inc. NPPES

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

GRAND LAKE MENTAL HEALTH CENTER, INC. (NPI 1043134471), doing business as Grand Mental Health, is a healthcare organization registered as a mental health (including community mental health center) in Guymon, Oklahoma and active in the NPI registry since August 2026. The organization lists Joshua Cantwell, Ceo, as its authorized official.

NPPES Registry Identity

NPI1043134471

Entity TypeOrganization

Primary Taxonomy261QM0801X

Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.

Location Address1521 NE HIGHWAY 54Guymon, OK 73942-1247

Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843

Phone(918) 420-9727

Organization SubpartNo

Authorized OfficialJoshua CantwellCeo · (918) 273-1841

Enumeration DateAugust 7, 2026

NPPES CertifiedJuly 28, 2026

✔ NPI 1043134471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities

Taxonomy Code261QM0801X

1521 NE HIGHWAY 54, Guymon, OK 73942

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Other Names 1

Doing Business AsGrand Mental Health

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 Grand Lake Mental Health Center, Inc.'s NPI number?

The NPI number for Grand Lake Mental Health Center, Inc. is 1043134471. It was assigned to this organization in the NPPES registry on August 7, 2026. The provider is doing business as GRAND Mental Health.

Where is Grand Lake Mental Health Center, Inc. located?

Grand Lake Mental Health Center, Inc. is located at 1521 NE Highway 54, Guymon, OK 73942. The listed phone number is (918) 420-9727.

What is Grand Lake Mental Health Center, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Grand Lake Mental Health Center, Inc. was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.