GRAND MENTAL HEALTH
NPI 1255979415
Clinic/Center - Mental Health (Including Community Mental Health Center) in Jay, OK

Active since December 18, 2019CLIA 37D2176059 · Waiver
1015 W WASHBOURNE ST, JAY, OK 74346(918) 308-5513(918) 253-6645 Get Directions Write a Review

NPPES record last updated: June 13, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 31, 2020, Dec 18, 2019 (2 updates tracked since 2019).

About Grand Mental Health NPPES

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

GRAND MENTAL HEALTH (NPI 1255979415) is a healthcare organization registered as a mental health (including community mental health center) in Jay, Oklahoma and active in the NPI registry since December 2019. The organization holds a CLIA Waiver certificate valid through December 5, 2027 and lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1255979415
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.
Location Address1015 W WASHBOURNE STJay, OK 74346-4205
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843
Fax(918) 253-6645
Organization SubpartNo
Authorized OfficialLarry SmithCeo · (918) 273-1841
Enumeration DateDecember 18, 2019
Last NPPES UpdateJune 13, 20222 updates tracked since enumeration
NPPES CertifiedJune 13, 2022
✔ NPI 1255979415 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
1015 W WASHBOURNE ST, Jay, OK 74346

Other Names 1

Doing Business AsGrand Mental Health

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grand Mental Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

333

Medicare enrollment records show 333 clinicians reassign Medicare billing to Grand Mental Health, which bills Medicare for the services they deliver. Of these, 3 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Mental Health Counselor187
Clinical Social Worker118
Marriage and Family Therapist15
Nurse Practitioner7
Psychiatry5
Clinical Psychologist1

Nearest to this location (20)

See all 333
Mental Health Counselor
NPI 1083359541
1015 W WASHBOURNE ST
Jay, OK 74346
(918) 308-5513
✔ PECOSSame address
Mental Health Counselor
NPI 1619448263
1015 W WASHBOURNE ST
Jay, OK 74346
(918) 308-5513
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1285366864
1015 W WASHBOURNE ST
Jay, OK 74346
(918) 703-4805
✔ PECOSSame address
Mental Health Counselor
NPI 1376096990
1115 HARBER ROAD
Grove, OK 74344
(918) 786-4434
✔ PECOS✔ Accepts Medicare11 mi
Clinical Social Worker
NPI 1225444003
1115 HARBOR RD
Grove, OK 74344
(918) 786-4434
✔ PECOS✔ Accepts Medicare11 mi
Mental Health Counselor
NPI 1710243829
1115 HARBOR RD
Grove, OK 74344
(479) 524-0477
✔ PECOS✔ Accepts Medicare11 mi
Clinical Social Worker
NPI 1730741794
1115 HARBOR RD
Grove, OK 74344
(918) 786-4434
✔ PECOS11 mi
Mental Health Counselor
NPI 1346786209
1115 HARBOR RD
Grove, OK 74344
(918) 786-4434
✔ PECOS11 mi
Clinical Social Worker
NPI 1336529353
1115 HARBOR RD
Grove, OK 74344
(918) 786-4434
✔ PECOS11 mi
Mental Health Counselor
NPI 1497498562
1115 HAR-BER ROAD
Grove, OK 74344
(918) 786-4434
✔ PECOS✔ Accepts Medicare11 mi
Clinical Social Worker
NPI 1083261739
1115 HARBOR ROAD
Grove, OK 74344
(918) 804-3238
✔ PECOS11 mi
Mental Health Counselor
NPI 1578860243
1115 HARBOR RD
Grove, OK 74344
(918) 786-4434
✔ PECOS✔ Accepts Medicare11 mi
Mental Health Counselor
NPI 1689392698
1115 HAR-BER RD
Grove, OK 74344
(918) 430-8298
✔ PECOS✔ Accepts Medicare11 mi
Mental Health Counselor
NPI 1932447000
1115 HARBOR RD
Grove, OK 74344
(918) 859-8934
✔ PECOS✔ Accepts Medicare11 mi
Clinical Social Worker
NPI 1063725315
109 N BROADWAY ST
South West City, MO 64863
(417) 762-3287
✔ PECOS✔ Accepts Medicare12 mi
Clinical Social Worker
NPI 1730511684
138 S MAIN
Afton, OK 74331
(918) 257-4244
✔ PECOS21 mi
Mental Health Counselor
NPI 1619993516
138 S. MAIN
Afton, OK 74331
(918) 257-4244
✔ PECOS✔ Accepts Medicare21 mi
Clinical Social Worker
NPI 1194369892
211 N HIGHWAY 59
Kansas, OK 74347
(918) 786-4434
✔ PECOS22 mi
Clinical Social Worker
NPI 1821563610
405 E EXCELSIOR AVE
Vinita, OK 74301
(918) 256-6476
✔ PECOS25 mi
Clinical Psychologist
NPI 1790196202
735 N. FOREMAN ST.
Vinita, OK 74301
(918) 289-5249
✔ PECOS✔ Accepts Medicare25 mi
See all 333 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 37D2176059

Grand Mental Health · Jay, OK
Active · expires Dec 5, 2027
CLIA Number37D2176059
Laboratory TypeCcbhc
Certificate Effective DateDecember 6, 2025
Certificate Expiration DateDecember 5, 2027
Laboratory DirectorW John Mallgren
Laboratory Phone(918) 418-0994
Laboratory LocationGrand Mental Health1015 W Washbourne, Jay, OK 74346
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 1255979415. It was assigned to this organization in the NPPES registry on December 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 1015 W Washbourne St, Jay, OK 74346. The listed phone number is (918) 308-5513.

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.

Is Grand Lake Mental Health Center, Inc. enrolled in Medicare?

Yes. Grand Lake Mental Health Center, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grand Lake Mental Health Center, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 333 clinicians in 6 Medicare specialties reassign their Medicare billing to Grand Lake Mental Health Center, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Mental Health Counselor (187), Clinical Social Worker (118) and Marriage and Family Therapist (15). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Grand Lake Mental Health Center, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 37D2176059) is associated with this NPI, valid through December 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

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 June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.