GRAND MENTAL HEALTH
NPI 1073520102
Clinic/Center - Mental Health (Including Community Mental Health Center) in Claremore, OK

Active since August 02, 2006CLIA Certified · 3 labs
17599 S HIGHWAY 88, CLAREMORE, OK 74017(918) 342-0770 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 (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 1073520102) is a healthcare organization registered as a mental health (including community mental health center) in Claremore, Oklahoma and active in the NPI registry since August 2006. The organization holds 3 active CLIA laboratory certificates and lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1073520102
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.
Location Address17599 S HIGHWAY 88Claremore, OK 74017-0801
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 342-9530 · Fax (918) 342-9533
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 1073520102 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
17599 S HIGHWAY 88, Claremore, OK 74017

Other Names 1

Doing Business AsGrand Mental Health

Other Identifiers 1

Medicaid100732860JOK

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 and 48 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 1003330747
17599 S HIGHWAY 88
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1841384021
17599 S HIGHWAY 88
Claremore, OK 74017
(918) 342-9530
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841575230
17599 S HIGHWAY 88
Claremore, OK 74017
(918) 342-8161
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1619304961
12500 E 470 ROAD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Marriage and Family Therapist
NPI 1417489907
12011 W. LOWRY ROAD
Claremore, OK 74017
(918) 704-7386
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1861019895
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts Medicare1.6 mi
Mental Health Counselor
NPI 1154666485
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts Medicare1.6 mi
Mental Health Counselor
NPI 1922328178
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Mental Health Counselor
NPI 1831547074
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1487175006
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Mental Health Counselor
NPI 1528343563
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1093221913
12005 E 470 RD
Claremore, OK 74017
(918) 492-2554
✔ PECOS1.6 mi
Mental Health Counselor
NPI 1336558618
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts Medicare1.6 mi
Mental Health Counselor
NPI 1780976381
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts Medicare1.6 mi
Mental Health Counselor
NPI 1588924799
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1568019925
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1982019030
12011 W. LOWRY ROAD
Claremore, OK 74107
(918) 704-3920
✔ PECOS1.6 mi
Clinical Social Worker
NPI 1447667159
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS✔ Accepts Medicare1.6 mi
Clinical Social Worker
NPI 1497986954
12005 E 470 RD
Claremore, OK 74017
(918) 342-0770
✔ PECOS1.7 mi
Clinical Social Worker
NPI 1407314909
12005 E 470 RD
Claremore, OK 74017
(918) 576-4177
✔ PECOS1.7 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 3

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 37D2171593

Grand Mental Health · Nowata, OK
Active · expires Sep 3, 2027
CLIA Number37D2171593
Laboratory TypeCcbh
Certificate Effective DateSeptember 4, 2025
Certificate Expiration DateSeptember 3, 2027
Laboratory DirectorW John Mallgren
Laboratory Phone(918) 342-0770
Laboratory LocationGrand Mental Health325 S Ash, Nowata, OK 74048
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 37D2171595

Grand Mental Health · Stillwater, OK
Active · expires Sep 3, 2027
CLIA Number37D2171595
Laboratory TypeCcbhc
Certificate Effective DateSeptember 4, 2025
Certificate Expiration DateSeptember 3, 2027
Laboratory DirectorW John Mallgren
Laboratory Phone(918) 342-0770
Laboratory LocationGrand Mental Health604 S Walnut St, Stillwater, OK 74074
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 37D2071033

Grand Mental Health · Claremore, OK
Active · expires Dec 30, 2027
CLIA Number37D2071033
Laboratory TypePhysician Office
Certificate Effective DateDecember 31, 2025
Certificate Expiration DateDecember 30, 2027
Laboratory DirectorJohn Mallgren
Laboratory Phone(918) 418-0994
Laboratory LocationGrand Mental Health3100 Medical Parkway, Claremore, OK 74017
CLIA data matches this NPI record on: 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 1073520102. 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 17599 S Highway 88, Claremore, OK 74017. The listed phone number is (918) 342-0770.

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 and 48 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

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.