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Physician Assistant

Deven McKiernan, PA

Works at hospitals in Newburyport, MA · Methuen, MA · Lawrence, MA … · Massachusetts

Summary

Deven McKiernan, PA is a physician assistant at 103 Boulder Point Dr, Plymouth, NH 03264. Phone: (603) 224-3368. Accepts Medicare assignment. In 2024, Deven McKiernan had 332 Original Medicare patients and 554 services. NPI 1558914572. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Deven McKiernan, 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 Deven McKiernan accept Medicare assignment?
Yes. Medicare's clinician data says Deven McKiernan 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 Deven McKiernan see?
In 2024, CMS data shows 332 Original Medicare patients and 554 services for Deven McKiernan. This counts Original Medicare only and measures volume, not quality.
What is Deven McKiernan's NPI number?
1558914572. 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 Deven McKiernan, 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 patients332
Services billed to Medicare554
Different services or procedures16
Participating Medicare providerYes
Average age of these patients73

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)137 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)91 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)83 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)79 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)55 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 cholesterol75%
  • Arthritis58%
  • COPD58%
  • Anxiety43%
  • Ischemic heart disease41%

Hospitals where Deven McKiernan works

Medicare's Facility Affiliation Data lists Deven McKiernan 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.

  • Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
  • Holy Family HospitalMethuen, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220080
  • Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220010
  • North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035

Practice locations

Addresses where Deven McKiernan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Deven McKiernan as a member of this group (CMS data updated October 2, 2026).

  • Northeast Orthopaedic Alliance PLLC291 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Hampshire →

Other physician assistants in Plymouth

Clinicians with the same Medicare primary specialty in Plymouth, NH — not a recommendation.

All physician assistants in Plymouth →

Other clinicians in Northeast Orthopaedic Alliance PLLC

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

Clinician information

CredentialPA
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558914572
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