GREENBROOK PHYSICIAN SERVICES, LLC
NPI 1801683008
Internal Medicine in Southaven, MS
About Greenbrook Physician Services, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREENBROOK PHYSICIAN SERVICES, LLC (NPI 1801683008) is a healthcare organization registered as an internal medicine in Southaven, Mississippi and active in the NPI registry since April 2025. The organization lists Lisha C Falk, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Group Practice 1
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)
Greenbrook Physician Services, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
92Medicare enrollment records show 92 clinicians reassign Medicare billing to Greenbrook Physician Services, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 23 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 92Source: 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 Greenbrook Physician Services, LLC's NPI number?
The NPI number for Greenbrook Physician Services, LLC is 1801683008. It was assigned to this organization in the NPPES registry on April 22, 2025.
Where is Greenbrook Physician Services, LLC located?
Greenbrook Physician Services, LLC is located at 7601 Southcrest Pkwy, Southaven, MS 38671. The listed phone number is (662) 772-4000.
What is Greenbrook Physician Services, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Greenbrook Physician Services, LLC enrolled in Medicare?
Yes. Greenbrook Physician Services, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Greenbrook Physician Services, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 92 clinicians in 5 Medicare specialties reassign their Medicare billing to Greenbrook Physician Services, LLC. 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 Internal Medicine (59), Nurse Practitioner (14) and Family Practice (12). Of these, 3 practice at this address and 23 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Greenbrook Physician Services, LLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Greenbrook Physician Services, LLC 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 Greenbrook Physician Services, LLC was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Greenbrook Physician Services, Llc · NPI 1801683008
Internal Medicine organization in Southaven, Mississippi. Organization record, active in the CMS NPPES registry since April 22, 2025.
## Identity
- **NPI:** 1801683008 (Entity type: Organization)
- **Enumerated:** April 22, 2025
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Lisha Falk, VICE PRESIDENT
## Practice location
- **Address:** 7601 SOUTHCREST PKWY, Southaven, MS 38671-4739
- **Phone:** (662) 772-4000 · **Fax:** (662) 349-4038
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 92 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (59), Nurse Practitioner (14), Family Practice (12); 3 practice at this address and 23 within 10 miles; [full list](https://npiprofile.com/npi/1801683008/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 22, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1801683008) · Data from the CMS NPPES public registry.