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Physician Assistant

Chase P. Keirn, PA

Works at hospitals in Durham, NC · North Carolina

Summary

Chase P. Keirn, PA is a physician assistant at 2301 Erwin Rd, Durham, NC 27705. Phone: (919) 684-8111. Accepts Medicare assignment. In 2024, Chase P. Keirn had 92 Original Medicare patients and 305 services. NPI 1902328909. 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: Physician assistant
  • Address: 2301 Erwin Rd, Durham, NC 27705 · Directions (4 more locations)
  • Phone: (919) 684‑8111
  • Medicare: Accepts Medicare assignment
  • Hospital: Duke Regional Hospital
  • Group practice: Duke University Health System, Inc (+1 more)
  • School: graduated 2017
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Chase P. Keirn, 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 Chase P. Keirn accept Medicare assignment?
Yes. Medicare's clinician data says Chase P. Keirn 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 Chase P. Keirn see?
In 2024, CMS data shows 92 Original Medicare patients and 305 services for Chase P. Keirn. This counts Original Medicare only and measures volume, not quality.
What is Chase P. Keirn's NPI number?
1902328909. 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 Chase P. Keirn, 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 patients92
Services billed to Medicare305
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

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)108 services
  2. Test to measure expiratory airflow and volume (94010)34 services
  3. Test to measure the level of nitric oxide gas (95012)26 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)24 services
  5. Test to measure rate of airflow (94375)17 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 pressure75%
  • High cholesterol72%
  • Arthritis50%
  • Asthma49%
  • COPD40%
  • Diabetes34%

Hospitals where Chase P. Keirn works

Medicare's Facility Affiliation Data lists Chase P. Keirn 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.

  • Duke Regional HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340155

Practice locations

Addresses where Chase P. Keirn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chase P. Keirn as a member of these groups (CMS data updated October 2, 2026).

  • Duke University Health System, Inc1,102 clinicians in the group
  • Pike Medical Consultants PC26 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, North Carolina →

Other physician assistants in Durham

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

All physician assistants in Durham →

Other clinicians in Duke University Health System, Inc

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

Clinician information

CredentialPA
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902328909
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