DIANE B HAMILTON LPC
NPI 1205056496
Counselor - Professional in Vinita, OK
About Diane B Hamilton Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE B HAMILTON LPC (NPI 1205056496) is an individual professional provider in Vinita, Oklahoma, licensed in Oklahoma (3268) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diane B Hamilton Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diane Hamilton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vinita, OK 74301
- Reassigned Medicare billing, Oklahoma enrollment
- 333 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Diane Hamilton's NPI number?
The NPI number for Diane Hamilton is 1205056496. It was assigned to this individual provider in the NPPES registry on April 27, 2007.
Where is Diane Hamilton located?
Diane Hamilton practices at 405 E Excelsior Ave, Vinita, OK 74301. The listed phone number is (918) 256-6476.
What is Diane Hamilton's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Diane Hamilton enrolled in Medicare?
Yes. Diane Hamilton is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diane Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Hamilton reassigns Medicare benefits to Grand Lake Mental Health Center Inc. (Vinita, OK). The 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 Diane Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diane Hamilton was last updated on October 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Diane B Hamilton, LPC · NPI 1205056496
Professional provider in Vinita, Oklahoma. Individual provider, active in the CMS NPPES registry since April 27, 2007.
## Identity
- **NPI:** 1205056496 (Entity type: Individual)
- **Enumerated:** April 27, 2007
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 3268 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 405 E EXCELSIOR AVE, Vinita, OK 74301-4226
- **Phone:** (918) 256-6476 · **Fax:** (918) 256-3628
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment
- **Bills Medicare through:** Grand Lake Mental Health Center Inc. (NPI 1679983696, Vinita, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 17, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1205056496) · Data from the CMS NPPES public registry.