1. Home
  2. Directory
  3. South Carolina
  4. Rock Hill
  5. Internal Medicine
  6. NPI Profile

LANCASTER ENDOCRINOLOGY
NPI 1255499950
Internal Medicine - Endocrinology, Diabetes & Metabolism in Rock Hill, SC

Active since December 05, 2006CLIA 42D0965962 · Waiver
410 S HERLONG AVE, SUITE 106, ROCK HILL, SC 29732(803) 329-3899(803) 329-4377 Get Directions Write a Review

NPPES record last updated: October 19, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lancaster Endocrinology NPPES

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

LANCASTER ENDOCRINOLOGY (NPI 1255499950) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Rock Hill, South Carolina and active in the NPI registry since December 2006. The organization holds a CLIA Waiver certificate valid through October 4, 2027 and lists Robert Wozniak, President, as its authorized official.

NPPES Registry Identity

NPI1255499950
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameROBERT WOZNIAK MD PA
Location Address410 S HERLONG AVE, SUITE 106Rock Hill, SC 29732-8349
Mailing Address410 S Herlong Ave, Suite 106Rock Hill, SC 29732-8349 · (803) 329-3899 · Fax (803) 329-4377
Phone(803) 329-3899
Fax(803) 329-4377
Organization SubpartNo
Authorized OfficialRobert WozniakPresident · (803) 329-3899
Enumeration DateDecember 5, 2006
Last NPPES UpdateOctober 19, 2007
✔ NPI 1255499950 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 SC · 21019
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.
410 S HERLONG AVE, Rock Hill, SC 29732
Open in Google Maps ↗

Other Names 1

Doing Business AsLancaster Endocrinology

Other Identifiers 5

Other1942282470SC · Npi Individual
Medicaid210195SC
Medicare PIN7551SC
Medicare PIN2329149NC
Medicare UPINH00872SC

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 SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina.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)

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

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Lancaster Endocrinology, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Robert Wozniak, M.D.
Endocrinology
NPI 1942282470
410 S HERLONG AVE SUITE 106
Rock Hill, SC 29732
(803) 329-3899
✔ PECOS✔ Accepts MedicareSame address
Brandy Farmer, FNP-BC
Nurse Practitioner
NPI 1184998742
410 S HERLONG AVE STE 106
Rock Hill, SC 29732
(803) 329-3899
✔ PECOS✔ Accepts Medicare0.9 mi
Christine Franzese, RN
Nurse Practitioner
NPI 1528302916
410 HERLONG AVE S STE 106
Rock Hill, SC 29732
(803) 329-3899
✔ PECOS✔ Accepts Medicare0.9 mi

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 42D0965962

Lancaster Endocrinology · Rock Hill, SC
Active · expires Oct 4, 2027
CLIA Number42D0965962
Laboratory TypePhysician Office
Certificate Effective DateOctober 5, 2025
Certificate Expiration DateOctober 4, 2027
Laboratory DirectorRobert Wozniak
Laboratory Phone(803) 286-9001
Laboratory LocationLancaster Endocrinology410 South Herlong Avenue Ste 106, Rock Hill, SC 29732
CLIA data matches this NPI record on: Address Name
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 Robert Wozniak MD PA's NPI number?

The NPI number for Robert Wozniak MD PA is 1255499950. It was assigned to this organization in the NPPES registry on December 5, 2006. The provider is doing business as Lancaster Endocrinology.

Where is Robert Wozniak MD PA located?

Robert Wozniak MD PA is located at 410 S Herlong Ave Suite 106, Rock Hill, SC 29732. The listed phone number is (803) 329-3899.

What is Robert Wozniak MD PA's specialty?

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

Is Robert Wozniak MD PA enrolled in Medicare?

Yes. Robert Wozniak MD PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert Wozniak MD PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Robert Wozniak MD PA, 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, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Robert Wozniak MD PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 42D0965962) is associated with this NPI, valid through October 4, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Robert Wozniak MD PA accept?

Health plans from BlueCross BlueShield of South Carolina list Robert Wozniak MD PA 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 Robert Wozniak MD PA was last updated on October 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.