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Vascular Surgery

George T. Clark Iii, MD

Works at hospitals in Durham, NC · North Carolina

Summary

Dr. George T. Clark Iii, MD is a vascular surgeon at 40 Duke Medicine Cir, Durham, NC 27710. Phone: (919) 684-8111. Accepts Medicare assignment. In 2024, George T. Clark Iii had 192 Original Medicare patients and 443 services. NPI 1215977889. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 40 Duke Medicine Cir, Durham, NC 27710 · Directions
  • Phone: (919) 684‑8111
  • Medicare: Accepts Medicare assignment
  • Hospital: Duke University Hospital
  • Group practice: Duke Health Integrated Practice, Inc
  • Medical school: University Of North Carolina At Chapel Hill School Of Medicine · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about George T. Clark Iii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does George T. Clark Iii accept Medicare assignment?
Yes. Medicare's clinician data says George T. Clark Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does George T. Clark Iii see?
In 2024, CMS data shows 192 Original Medicare patients and 443 services for George T. Clark Iii. This counts Original Medicare only and measures volume, not quality.
What is George T. Clark Iii's NPI number?
1215977889. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for George T. Clark Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients192
Services billed to Medicare443
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)158 services
  2. Injection of chemical agent into multiple incompetent veins of leg (36471)128 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)51 services
  4. Laser destruction of incompetent vein of arm or leg using imaging guidance (36478)36 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)29 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure69%
  • High cholesterol67%
  • Arthritis54%
  • Diabetes25%
  • Chronic kidney disease24%
  • Anxiety23%

Hospitals where George T. Clark Iii works

Medicare's Facility Affiliation Data lists George T. Clark Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where George T. Clark Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists George T. Clark Iii as a member of this group (CMS data updated October 2, 2026).

  • Duke Health Integrated Practice, Inc3,185 clinicians in the group

Specialties

Find other Vascular Surgery doctors in North Carolina →

Other vascular surgeons in Durham

Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.

All vascular surgeons in Durham →

Other clinicians in Duke Health Integrated Practice, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215977889
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians