GRAND MENTAL HEALTH
NPI 1497762520
Clinic/Center - Mental Health (Including Community Mental Health Center) in Miami, OK

Active since August 02, 2006
111 S TREATY RD, MIAMI, OK 74354(918) 540-1511(918) 542-7374 Get Directions Write a Review

NPPES record last updated: June 7, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 7, 2022, Jul 31, 2020 (2 updates tracked since 2020).

About Grand Mental Health NPPES

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

GRAND MENTAL HEALTH (NPI 1497762520) is a healthcare organization registered as a mental health (including community mental health center) in Miami, Oklahoma and active in the NPI registry since August 2006. The organization lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1497762520
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.
Location Address111 S TREATY RDMiami, OK 74354-5327
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 540-1511 · Fax (918) 542-7374
Fax(918) 542-7374
Organization SubpartNo
Authorized OfficialLarry SmithCeo · (918) 273-1841
Enumeration DateAugust 2, 2006
Last NPPES UpdateJune 7, 20222 updates tracked since enumeration
NPPES CertifiedJune 7, 2022
✔ NPI 1497762520 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
111 S TREATY RD, Miami, OK 74354

Other Names 1

Doing Business AsGrand Mental Health

Other Identifiers 1

Medicaid100732860GOK

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, 4 practice at this address and 18 within 10 miles. 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
Clinical Social Worker
NPI 1225786627
111 S TREATY RD
Miami, OK 74354
(918) 527-9035
✔ PECOSSame address
Clinical Social Worker
NPI 1073355582
111 S TREATY RD
Miami, OK 74354
(844) 458-2100
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1710656624
111 S TREATY RD
Miami, OK 74354
(918) 540-1151
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1992233852
111 S TREATY RD
Miami, OK 74354
(580) 327-2900
✔ PECOSSame address
Mental Health Counselor
NPI 1376614214
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.1 mi
Clinical Social Worker
NPI 1982953568
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS0.1 mi
Clinical Social Worker
NPI 1992177521
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS0.1 mi
Clinical Social Worker
NPI 1639719578
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS0.1 mi
Mental Health Counselor
NPI 1437433067
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Social Worker
NPI 1972919637
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.2 mi
Mental Health Counselor
NPI 1659797991
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS0.2 mi
Mental Health Counselor
NPI 1942443429
120 S TREATY RD
Miami, OK 74354
(620) 249-9411
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Social Worker
NPI 1669947453
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.4 mi
Clinical Social Worker
NPI 1760050249
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS2.4 mi
Clinical Social Worker
NPI 1215246574
111 S TREATY RD
Miami, OK 74354
(918) 902-6756
✔ PECOS✔ Accepts Medicare2.4 mi
Mental Health Counselor
NPI 1558933747
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS2.4 mi
Mental Health Counselor
NPI 1821663774
111 S TREATY RD
Miami, OK 74354
(918) 549-1511
✔ PECOS2.4 mi
Clinical Social Worker
NPI 1568130102
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare2.4 mi
Mental Health Counselor
NPI 1619993516
138 S. MAIN
Afton, OK 74331
(918) 257-4244
✔ PECOS✔ Accepts Medicare14 mi
Clinical Social Worker
NPI 1730511684
138 S MAIN
Afton, OK 74331
(918) 257-4244
✔ PECOS14 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.

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 1497762520. It was assigned to this organization in the NPPES registry on August 2, 2006. 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 111 S Treaty Rd, Miami, OK 74354. The listed phone number is (918) 540-1511.

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, 4 practice at this address and 18 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 7, 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.