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

HIGH ROCK INTERNAL MEDICINE, PA
NPI 1861675357
Internal Medicine in Lexington, NC

Active since December 07, 2007
104 W. MEDICAL PARK DR., LEXINGTON, NC 27292(336) 224-0931(336) 224-0932 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About High Rock Internal Medicine, Pa NPPES

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

HIGH ROCK INTERNAL MEDICINE, PA (NPI 1861675357) is a healthcare organization registered as an internal medicine in Lexington, North Carolina and active in the NPI registry since December 2007. The organization lists Stephen Szu-heng Hsieh, Md/president/owner, as its authorized official.

NPPES Registry Identity

NPI1861675357
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHIGH ROCK INTERNAL MEDICINE, PA
Location Address104 W. MEDICAL PARK DR.Lexington, NC 27292
Mailing Address104 W Medical Park DrLexington, NC 27292-6773 · (336) 224-0931 · Fax (336) 224-0932
Phone(336) 224-0931
Fax(336) 224-0932
Organization SubpartNo
Authorized OfficialStephen Szu-heng HsiehMd/president/owner · (336) 224-0931
Enumeration DateDecember 7, 2007
Last NPPES UpdateOctober 2, 2025
NPPES CertifiedOctober 2, 2025
✔ NPI 1861675357 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.
104 W. MEDICAL PARK DR., Lexington, NC 27292
Open in Google Maps ↗

Other Identifiers 1

Medicaid891188ANC

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 Blue Cross and Blue Shield of NC.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)

High Rock Internal Medicine, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to High Rock Internal Medicine, PA, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (7)

Jenna Hodgson, FNP-C
Nurse Practitioner
NPI 1679270722
104 W MEDICAL PARK DR
Lexington, NC 27292
(336) 224-0931
✔ PECOS✔ Accepts MedicareSame address
Stephen Hsieh, M.D.
Internal Medicine
NPI 1982664678
104 W MEDICAL PARK DR
Lexington, NC 27292
(336) 224-0931
✔ PECOS✔ Accepts MedicareSame address
Prerna Maharjan, FNP-BC
Nurse Practitioner
NPI 1467323535
104 W MEDICAL PARK DR
Lexington, NC 27292
(336) 224-0931
✔ PECOS✔ Accepts MedicareSame address
Michael Thorarinson, FNP-BC
Nurse Practitioner
NPI 1861839599
104 W MEDICAL PARK DR
Lexington, NC 27292
(336) 224-0931
✔ PECOS✔ Accepts MedicareSame address
Brittany Wall, FNP
Nurse Practitioner
NPI 1639835432
104 W MEDICAL PARK DR
Lexington, NC 27292
(336) 224-0931
✔ PECOS✔ Accepts MedicareSame address
Emily Johnson
Nurse Practitioner
NPI 1033997382
1215 W CLEMMONSVILLE RD
Winston Salem, NC 27127
(336) 300-8855
✔ PECOS✔ Accepts Medicare17 mi
Antonette Scott, FNP
Nurse Practitioner
NPI 1700558434
390 W SALEM AVE
Winston Salem, NC 27101
(336) 721-2375
✔ PECOS✔ Accepts Medicare19 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 High Rock Internal Medicine, PA's NPI number?

The NPI number for High Rock Internal Medicine, PA is 1861675357. It was assigned to this organization in the NPPES registry on December 7, 2007.

Where is High Rock Internal Medicine, PA located?

High Rock Internal Medicine, PA is located at 104 W. Medical Park Dr., Lexington, NC 27292. The listed phone number is (336) 224-0931.

What is High Rock Internal Medicine, PA's specialty?

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

Is High Rock Internal Medicine, PA enrolled in Medicare?

Yes. High Rock Internal Medicine, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through High Rock Internal Medicine, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to High Rock Internal Medicine, PA. 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 Nurse Practitioner (6) and Internal Medicine (1). Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does High Rock Internal Medicine, PA accept?

Health plans from Blue Cross and Blue Shield of NC list High Rock Internal Medicine, 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 High Rock Internal Medicine, PA was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.