GRAND LAKE MENTAL HEALTH CENTER INC
NPI 1992341671
Clinic/Center - Mental Health (Including Community Mental Health Center) in Stillwater, OK

Active since November 18, 2019
998 E KNOTTS AVE, STILLWATER, OK 74075(405) 372-2202(405) 372-2237 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 11, 2025, May 17, 2024, Jun 7, 2022 and 2 more (5 updates tracked since 2019).

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 1992341671), doing business as Grand Mental Health, is a healthcare organization registered as a mental health (including community mental health center) in Stillwater, Oklahoma and active in the NPI registry since November 2019. The organization lists Joshua Cantwell, Ceo, as its authorized official.

NPPES Registry Identity

NPI1992341671
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER INC
Location Address998 E KNOTTS AVEStillwater, OK 74075-3023
Mailing Address114 W DelawareNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843
Fax(405) 372-2237
Organization SubpartNo
Authorized OfficialJoshua CantwellCeo · (918) 273-1841
Enumeration DateNovember 18, 2019
Last NPPES UpdateJuly 11, 20255 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
NPI 1992341671 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
998 E KNOTTS AVE, Stillwater, OK 74075

Other Names 1

Doing Business AsGrand Mental Health

Accepted Insurance

Other Providers at the Same Location NPPES 20

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

Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Social Worker (Clinical)
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075
Peer Specialist
998 E KNOTTS AVE
STILLWATER, OK 74075

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 1992341671. It was assigned to this organization in the NPPES registry on November 18, 2019. 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 998 E Knotts Ave, Stillwater, OK 74075. The listed phone number is (405) 372-2202.

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.

What insurance does Grand Lake Mental Health Center Inc accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Grand Lake Mental Health Center Inc 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 Grand Lake Mental Health Center Inc was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.