KEYSTONE HEALTHCARE SERVICES LLC
NPI 1437732484
Clinic/Center - Mental Health (Including Community Mental Health Center) in Greenbelt, MD
About Keystone Healthcare Services Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYSTONE HEALTHCARE SERVICES LLC (NPI 1437732484) is a healthcare organization registered as a mental health (including community mental health center) in Greenbelt, Maryland and active in the NPI registry since April 2021. The organization maintains a secondary practice location in Laurel and lists Florence O Alli, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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)
Keystone Healthcare Services Llc 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 Keystone Healthcare Services LLC, 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 Keystone Healthcare Services LLC's NPI number?
The NPI number for Keystone Healthcare Services LLC is 1437732484. It was assigned to this organization in the NPPES registry on April 28, 2021.
Where is Keystone Healthcare Services LLC located?
Keystone Healthcare Services LLC is located at 6301 Ivy Ln Ste 310, Greenbelt, MD 20770. The listed phone number is (240) 593-2972.
What is Keystone Healthcare Services LLC'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 Keystone Healthcare Services LLC enrolled in Medicare?
Yes. Keystone Healthcare Services LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Keystone Healthcare Services LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Keystone Healthcare 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Keystone Healthcare Services LLC was last updated on April 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Keystone Healthcare Services Llc · NPI 1437732484
Mental Health (Including Community Mental Health Center) organization in Greenbelt, Maryland. Organization record, active in the CMS NPPES registry since April 28, 2021.
## Identity
- **NPI:** 1437732484 (Entity type: Organization)
- **Enumerated:** April 28, 2021
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Organization subpart:** No
- **Authorized official:** Florence Alli, PRESIDENT
## Practice location
- **Address:** 6301 IVY LN STE 310, Greenbelt, MD 20770-6366
- **Phone:** (240) 593-2972
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1437732484) · Data from the CMS NPPES public registry.