1. Home
  2. Directory
  3. North Carolina
  4. Winston Salem
  5. Internal Medicine
  6. NPI Profile

CORNERSTONE CLINICAL SERVICES PC
NPI 1023938271
Internal Medicine in Winston Salem, NC

Active since July 17, 2026
514 S STRATFORD RD STE 400, WINSTON SALEM, NC 27103(212) 734-6621 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Cornerstone Clinical Services Pc NPPES

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

CORNERSTONE CLINICAL SERVICES PC (NPI 1023938271) is a healthcare organization registered as an internal medicine in Winston Salem, North Carolina and active in the NPI registry since July 2026. The organization lists Simon Fensterszaub, Do, as its authorized official.

NPPES Registry Identity

NPI1023938271
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCORNERSTONE CLINICAL SERVICES PC
Location Address514 S STRATFORD RD STE 400Winston Salem, NC 27103-1867
Mailing Address514 S Stratford Rd Ste 400Winston Salem, NC 27103-1867
Phone(212) 734-6621
Organization SubpartNo
Authorized OfficialSimon FensterszaubDo · (212) 734-6621
Enumeration DateJuly 17, 2026
NPPES CertifiedJuly 17, 2026
✔ NPI 1023938271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
514 S STRATFORD RD STE 400, Winston Salem, NC 27103
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Clinical Services 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 Cornerstone Clinical Services PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Pamela Scholl, AGACNP-BC
Nurse Practitioner
NPI 1548867526
2344 RIVERSIDE DR
Danville, VA 24540
(434) 791-3800
✔ PECOS✔ Accepts Medicare60 mi
Simon Fensterszaub, D.O.
Family Practice
NPI 1003077322
7 CREEK LN
Bristol, RI 02809
(718) 964-6161
✔ PECOS✔ Accepts Medicare620 mi

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 Cornerstone Clinical Services PC's NPI number?

The NPI number for Cornerstone Clinical Services PC is 1023938271. It was assigned to this organization in the NPPES registry on July 17, 2026.

Where is Cornerstone Clinical Services PC located?

Cornerstone Clinical Services PC is located at 514 S Stratford Rd Ste 400, Winston Salem, NC 27103. The listed phone number is (212) 734-6621.

What is Cornerstone Clinical Services PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Cornerstone Clinical Services PC enrolled in Medicare?

Yes. Cornerstone Clinical Services PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Clinical Services PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Cornerstone Clinical Services PC, in Family Practice 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cornerstone Clinical Services PC was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.