MRS. DIANA THOMAS M.S.
NPI 1285799908
Counselor - Professional in Dyer, IN
About Mrs. Diana Thomas M.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DIANA THOMAS M.S. (NPI 1285799908) is an individual professional provider in Dyer, Indiana, licensed in Illinois (180.006746) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Diana Thomas M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diana Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Miami, FL 33130
- Reassigned Medicare billing, Illinois enrollment
- 581 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 5
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 Diana Thomas's NPI number?
The NPI number for Diana Thomas is 1285799908. It was assigned to this individual provider in the NPPES registry on December 22, 2006.
Where is Diana Thomas located?
Diana Thomas practices at 925 Killarney Dr, Dyer, IN 46311. The listed phone number is (773) 618-2231.
What is Diana Thomas's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Diana Thomas enrolled in Medicare?
Yes. Diana Thomas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diana Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Thomas reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). 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 Diana Thomas'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 Diana Thomas was last updated on December 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.
# Mrs. Diana Thomas, M.S. · NPI 1285799908
Professional provider in Dyer, Indiana. Individual provider, active in the CMS NPPES registry since December 22, 2006.
## Identity
- **NPI:** 1285799908 (Entity type: Individual)
- **Enumerated:** December 22, 2006
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 180.006746 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 925 KILLARNEY DR, Dyer, IN 46311-1292
- **Phone:** (773) 618-2231
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PA (NPI 1245845932, Miami, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 30, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1285799908) · Data from the CMS NPPES public registry.