GREENHILL CLINIC, P.A.
NPI 1205956372
Internal Medicine in Allen, TX
About Greenhill Clinic, P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREENHILL CLINIC, P.A. (NPI 1205956372) is a healthcare organization registered as an internal medicine in Allen, Texas and active in the NPI registry since March 2007. The organization lists Mike M Lee, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Greenhill Clinic, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Greenhill Clinic, P.A., which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Greenhill Clinic, P.A.'s NPI number?
The NPI number for Greenhill Clinic, P.A. is 1205956372. It was assigned to this organization in the NPPES registry on March 30, 2007.
Where is Greenhill Clinic, P.A. located?
Greenhill Clinic, P.A. is located at 1105 Central Expy N Suite 2230, Allen, TX 75013. The listed phone number is (214) 729-6848.
What is Greenhill Clinic, P.A.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Greenhill Clinic, P.A. enrolled in Medicare?
Yes. Greenhill Clinic, P.A. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Greenhill Clinic, P.A.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Greenhill Clinic, P.A.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Greenhill Clinic, P.A. was last updated on August 22, 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.
# Greenhill Clinic, P.a. · NPI 1205956372
Internal Medicine organization in Allen, Texas. Organization record, active in the CMS NPPES registry since March 30, 2007.
## Identity
- **NPI:** 1205956372 (Entity type: Organization)
- **Enumerated:** March 30, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Mike Lee, PRESIDENT
## Practice location
- **Address:** 1105 CENTRAL EXPY N, SUITE 2230, Allen, TX 75013-6103
- **Phone:** (214) 729-6848
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiovascular Disease (Cardiology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1205956372) · Data from the CMS NPPES public registry.