1. Home
  2. Directory
  3. Virginia
  4. Winchester
  5. Internal Medicine
  6. NPI Profile

WINCHESTER ENDOCRINOLOGY PC
NPI 1215034798
Internal Medicine - Endocrinology, Diabetes & Metabolism in Winchester, VA

Active since September 19, 2006
172 LINDEN DRIVE, SUITE 107, WINCHESTER, VA 22601(540) 678-0767(540) 678-0769 Get Directions Write a Review

NPPES record last updated: June 29, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Winchester Endocrinology Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WINCHESTER ENDOCRINOLOGY PC (NPI 1215034798) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Winchester, Virginia and active in the NPI registry since September 2006. The organization lists Mustapha Abdul-rahman, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1215034798
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameWINCHESTER ENDOCRINOLOGY PC
Location Address172 LINDEN DRIVE, SUITE 107Winchester, VA 22601-2892
Mailing Address172 Linden Drive, Suite 107Winchester, VA 22601-2892 · (540) 678-0767 · Fax (540) 678-0769
Phone(540) 678-0767
Fax(540) 678-0769
Organization SubpartNo
Authorized OfficialMustapha Abdul-rahmanMd/owner · (540) 678-0767
Enumeration DateSeptember 19, 2006
Last NPPES UpdateJune 29, 2010
✔ NPI 1215034798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in VA · 0101235673
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
172 LINDEN DRIVE, Winchester, VA 22601
Open in Google Maps ↗

Other Identifiers 2

OtherDG2224VA · Rr Medicare
Medicare PINC10008VA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield West Virginia.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)

Winchester Endocrinology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Winchester Endocrinology PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Mustapha Abdul Rahman, MD
Endocrinology
NPI 1588756886
172 LINDEN DR STE 103
Winchester, VA 22601
(540) 678-0767
✔ PECOS✔ Accepts MedicareSame address
Angela Titus, FNP-BC
Nurse Practitioner
NPI 1093072225
172 LINDEN DR STE 107
Winchester, VA 22601
(540) 678-0767
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 49D2085947

Winchester Endocrinology · Winchester, VA
Expired · Oct 26, 2026
CLIA Number49D2085947
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2024
Certificate Expiration DateOctober 26, 2026
Laboratory DirectorAbdul Rahman Mustapha
Laboratory Phone(540) 678-0767
Laboratory LocationWinchester Endocrinology172 Linden Drive, Suite 107, Winchester, VA 22601
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Winchester Endocrinology PC's NPI number?

The NPI number for Winchester Endocrinology PC is 1215034798. It was assigned to this organization in the NPPES registry on September 19, 2006.

Where is Winchester Endocrinology PC located?

Winchester Endocrinology PC is located at 172 Linden Drive Suite 107, Winchester, VA 22601. The listed phone number is (540) 678-0767.

What is Winchester Endocrinology PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Winchester Endocrinology PC enrolled in Medicare?

Yes. Winchester Endocrinology PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Winchester Endocrinology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Winchester Endocrinology PC, in Endocrinology and Nurse Practitioner. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Winchester Endocrinology PC accept?

Health plans from Highmark Blue Cross Blue Shield West Virginia list Winchester Endocrinology PC 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 Winchester Endocrinology PC was last updated on June 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.