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Family Practice

Duane R. Hennion, MD

Sees patients in Holly Springs, NC · Raleigh, NC · North Carolina

Summary

Dr. Duane R. Hennion, MD is a family doctor at 2116 Werrington Dr, Holly Springs, NC 27540. Phone: (919) 238-2000. Accepts Medicare assignment. In 2024, Duane R. Hennion had 167 Original Medicare patients and 839 services. NPI 1417948597. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 2116 Werrington Dr, Holly Springs, NC 27540 · Directions (1 more location)
  • Phone: (919) 238‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Novant Health Triangle Medical Group LLC
  • Medical school: Uniformed Services Uhs Fe Hebert School Of Med · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Duane R. Hennion, 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 Duane R. Hennion accept Medicare assignment?
Yes. Medicare's clinician data says Duane R. Hennion 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 Duane R. Hennion see?
In 2024, CMS data shows 167 Original Medicare patients and 839 services for Duane R. Hennion. This counts Original Medicare only and measures volume, not quality.
What is Duane R. Hennion's NPI number?
1417948597. 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 Duane R. Hennion, 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 patients167
Services billed to Medicare839
Different services or procedures46
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)238 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)199 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)89 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)77 services
  5. Administration of influenza virus vaccine (G0008)25 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 cholesterol72%
  • High blood pressure64%
  • Arthritis40%
  • Ischemic heart disease22%
  • Anxiety22%
  • Diabetes17%

Practice locations

Addresses where Duane R. Hennion is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Duane R. Hennion as a member of this group (CMS data updated October 2, 2026).

  • Novant Health Triangle Medical Group LLC18 clinicians in the group

Specialties

Find other Family Practice doctors in North Carolina →

Other family doctors in Holly Springs

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

All family doctors in Holly Springs →

Other clinicians in Novant Health Triangle Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1417948597
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians