GRAND MENTAL HEALTH
NPI 1467460931
Clinic/Center - Mental Health (Including Community Mental Health Center) in Nowata, OK

Active since August 03, 2006
114 W DELAWARE AVE, NOWATA, OK 74048(918) 273-1841(918) 273-1843 Get Directions Write a Review

NPPES record last updated: June 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 25, 2024, 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 1467460931) is a healthcare organization registered as a mental health (including community mental health center) in Nowata, Oklahoma and active in the NPI registry since August 2006. The organization lists Larry Smith, Ceo, as its authorized official.

NPPES Registry Identity

NPI1467460931
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameGRAND LAKE MENTAL HEALTH CENTER, INC.
Location Address114 W DELAWARE AVENowata, OK 74048-2601
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843
Fax(918) 273-1843
Organization SubpartNo
Authorized OfficialLarry SmithCeo · (918) 273-1841
Enumeration DateAugust 3, 2006
Last NPPES UpdateJune 25, 20242 updates tracked since enumeration
NPPES CertifiedJune 25, 2024
✔ NPI 1467460931 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
114 W DELAWARE AVE, Nowata, OK 74048

Other Names 1

Doing Business AsGrand Mental Health

Other Identifiers 1

Medicaid100732860NOK

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, 1 practice at this address and 5 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 1942766340
111 W DELAWARE AVE
Nowata, OK 74048
(918) 273-1841
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1700556552
325 S ASH ST
Nowata, OK 74048
(918) 273-7344
✔ PECOS0.5 mi
Clinical Social Worker
NPI 1700321155
325 S ASH ST
Nowata, OK 74048
(918) 273-7344
✔ PECOS0.6 mi
Mental Health Counselor
NPI 1124796347
325 S ASH ST
Nowata, OK 74048
(918) 273-7344
✔ PECOS0.7 mi
Marriage and Family Therapist
NPI 1124230206
325 S ASH ST
Nowata, OK 74048
(918) 273-7344
✔ PECOS0.7 mi
Clinical Social Worker
NPI 1225528409
245 S. MADISON
Bartlesville, OK 74006
(918) 336-1463
✔ PECOS16 mi
Marriage and Family Therapist
NPI 1740990142
245 S MADISON BLVD
Bartlesville, OK 74006
(918) 336-1463
✔ PECOS16 mi
Marriage and Family Therapist
NPI 1659823862
225 SE MORNINGSIDE AVE
Bartlesville, OK 74006
(918) 221-7207
✔ PECOS✔ Accepts Medicare17 mi
Mental Health Counselor
NPI 1750757621
12834 S OLD US 169
Oologah, OH 74053
(918) 695-2059
✔ PECOS19 mi
Clinical Social Worker
NPI 1154812774
705 S VIRGINIA AVE
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS✔ Accepts Medicare20 mi
Clinical Social Worker
NPI 1265889778
705 S VIRGINIA AVE
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS✔ Accepts Medicare20 mi
Mental Health Counselor
NPI 1649664061
700 SW PENN
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS✔ Accepts Medicare20 mi
Mental Health Counselor
NPI 1073772752
700 S PENN AVE
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS20 mi
Clinical Social Worker
NPI 1023661493
700 SW PENN
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS20 mi
Nurse Practitioner
NPI 1497045454
700 S PENN AVE
Bartlesville, OK 74003
(918) 273-1841
✔ PECOS✔ Accepts Medicare20 mi
Mental Health Counselor
NPI 1417566852
700 S PENN AVE
Bartlesville, OK 74003
(918) 619-7343
✔ PECOS20 mi
Clinical Social Worker
NPI 1609427608
700 S PENN AVE
Bartlesville, OK 74003
(918) 934-7941
✔ PECOS✔ Accepts Medicare20 mi
Marriage and Family Therapist
NPI 1700147816
700 S PENN AVE
Bartlesville, OK 74003
(918) 337-8080
✔ PECOS20 mi
Psychiatry
NPI 1841384021
17599 S HIGHWAY 88
Claremore, OK 74017
(918) 342-9530
✔ PECOS✔ Accepts Medicare24 mi
Nurse Practitioner
NPI 1841575230
17599 S HIGHWAY 88
Claremore, OK 74017
(918) 342-8161
✔ PECOS✔ Accepts Medicare24 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 1467460931. It was assigned to this organization in the NPPES registry on August 3, 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 114 W Delaware Ave, Nowata, OK 74048. The listed phone number is (918) 273-1841.

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, 1 practice at this address and 5 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 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.