GRAND MENTAL HEALTH
NPI 1336707256
Clinic/Center - Mental Health (Including Community Mental Health Center) in Perry, OK

Active since June 05, 2019
502 N 14TH ST, PERRY, OK 73077(918) 305-5512(580) 215-5767 Get Directions Write a Review

NPPES record last updated: June 7, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 7, 2022, Jul 31, 2020, Jun 18, 2019 and 1 more (4 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 1336707256) is a healthcare organization registered as a mental health (including community mental health center) in Perry, Oklahoma and active in the NPI registry since June 2019. The organization lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1336707256
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.
Location Address502 N 14TH STPerry, OK 73077-5022
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843
Fax(580) 215-5767
Organization SubpartNo
Authorized OfficialLarry SmithCeo · (918) 273-1841
Enumeration DateJune 5, 2019
Last NPPES UpdateJune 7, 20224 updates tracked since enumeration
NPPES CertifiedJune 7, 2022
✔ NPI 1336707256 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
502 N 14TH ST, Perry, OK 73077

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, 2 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 1346263019
502 N 14TH ST
Perry, OK 73077
(918) 308-5512
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1174131619
502 N 14TH ST
Perry, OK 73077
(918) 984-5170
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1104106749
1624 CIMARRON PLZ
Stillwater, OK 74075
(405) 372-2202
✔ PECOS✔ Accepts Medicare17 mi
Mental Health Counselor
NPI 1508498726
1624 CIMARRON PLZ
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Mental Health Counselor
NPI 1841496031
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Mental Health Counselor
NPI 1821592544
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Clinical Social Worker
NPI 1558781542
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Mental Health Counselor
NPI 1083140156
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS✔ Accepts Medicare17 mi
Mental Health Counselor
NPI 1215316815
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS✔ Accepts Medicare17 mi
Mental Health Counselor
NPI 1659739043
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Mental Health Counselor
NPI 1194925974
421 E THOMAS AVE
Stillwater, OK 74075
(405) 372-2202
✔ PECOS17 mi
Mental Health Counselor
NPI 1407241557
604 S WALNUT ST
Stillwater, OK 74074
(918) 951-8386
✔ PECOS17 mi
Marriage and Family Therapist
NPI 1760739452
604 S WALNUT ST
Stillwater, OK 74074
(405) 372-2202
✔ PECOS✔ Accepts Medicare17 mi
Clinical Social Worker
NPI 1942798087
604 S WALNUT ST
Stillwater, OK 74074
(918) 418-3045
✔ PECOS✔ Accepts Medicare17 mi
Clinical Social Worker
NPI 1831725654
604 S WALNUT ST
Stillwater, OK 74074
(844) 458-2100
✔ PECOS17 mi
Marriage and Family Therapist
NPI 1770837478
1624 CIMARRON PLZ
Stillwater, OK 74075
(405) 372-2202
✔ PECOS18 mi
Clinical Social Worker
NPI 1326530130
1624 CIMARRON PLZ
Stillwater, OK 74075
(844) 458-2100
✔ PECOS18 mi
Clinical Social Worker
NPI 1194014241
1624 CIMARRON PLZ
Stillwater, OK 74075
(053) 722-2024
✔ PECOS✔ Accepts Medicare18 mi
Clinical Social Worker
NPI 1083382451
1624 CIMARRON PLZ
Stillwater, OK 74075
(405) 372-2202
✔ PECOS✔ Accepts Medicare18 mi
Clinical Social Worker
NPI 1225491343
1624 CIMARRON PLZ
Stillwater, OK 74075
(918) 282-8149
✔ PECOS18 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 1336707256. It was assigned to this organization in the NPPES registry on June 5, 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 502 N 14th St, Perry, OK 73077. The listed phone number is (918) 305-5512.

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, 2 practice at this address. 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.