GRAND LAKE MEDICAL HEALTH CENTER
NPI 1588074595
Clinic/Center - Mental Health (Including Community Mental Health Center) in Miami, OK

Active since April 29, 2014
111 S TREATY RD, MIAMI, OK 74354(918) 540-1511 Get Directions Write a Review

NPPES record last updated: July 31, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Grand Lake Medical Health Center NPPES

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

GRAND LAKE MEDICAL HEALTH CENTER (NPI 1588074595) is a healthcare organization registered as a mental health (including community mental health center) in Miami, Oklahoma and active in the NPI registry since April 2014. The organization lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1588074595
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) 273-1841 · Fax (918) 273-1843
Organization SubpartNo
Authorized OfficialLarry SmithCeo · (918) 273-1841
Enumeration DateApril 29, 2014
Last NPPES UpdateJuly 31, 2020
NPPES CertifiedJuly 31, 2020
✔ NPI 1588074595 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 Lake Medical Health Center

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 Lake Medical Health Center 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 Lake Medical Health Center, 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
Mental Health Counselor
NPI 1376614214
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1982953568
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOSSame address
Clinical Social Worker
NPI 1992177521
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOSSame address
Clinical Social Worker
NPI 1639719578
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOSSame address
Clinical Social Worker
NPI 1225786627
111 S TREATY RD
Miami, OK 74354
(918) 527-9035
✔ PECOS0.1 mi
Clinical Social Worker
NPI 1073355582
111 S TREATY RD
Miami, OK 74354
(844) 458-2100
✔ PECOS✔ Accepts Medicare0.1 mi
Clinical Social Worker
NPI 1710656624
111 S TREATY RD
Miami, OK 74354
(918) 540-1151
✔ PECOS✔ Accepts Medicare0.1 mi
Mental Health Counselor
NPI 1992233852
111 S TREATY RD
Miami, OK 74354
(580) 327-2900
✔ PECOS0.1 mi
Mental Health Counselor
NPI 1437433067
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.3 mi
Clinical Social Worker
NPI 1972919637
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.3 mi
Mental Health Counselor
NPI 1659797991
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS0.3 mi
Mental Health Counselor
NPI 1942443429
120 S TREATY RD
Miami, OK 74354
(620) 249-9411
✔ PECOS✔ Accepts Medicare0.3 mi
Clinical Social Worker
NPI 1669947453
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare0.5 mi
Clinical Social Worker
NPI 1760050249
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS2.5 mi
Clinical Social Worker
NPI 1215246574
111 S TREATY RD
Miami, OK 74354
(918) 902-6756
✔ PECOS✔ Accepts Medicare2.5 mi
Mental Health Counselor
NPI 1558933747
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS2.5 mi
Mental Health Counselor
NPI 1821663774
111 S TREATY RD
Miami, OK 74354
(918) 549-1511
✔ PECOS2.5 mi
Clinical Social Worker
NPI 1568130102
111 S TREATY RD
Miami, OK 74354
(918) 540-1511
✔ PECOS✔ Accepts Medicare2.5 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 1588074595. It was assigned to this organization in the NPPES registry on April 29, 2014. The provider is doing business as Grand Lake Medical Health Center.

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.

When was this NPI record last updated?

The NPPES record for Grand Lake Mental Health Center Inc was last updated on July 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.