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Physician Assistant

Kelsey I. Koontz, PA

Works at hospitals in Williamsport, PA · Pennsylvania

Summary

Kelsey I. Koontz, PA is a physician assistant at 1201 Grampian Blvd, Williamsport, PA 17701. Accepts Medicare assignment. In 2024, Kelsey I. Koontz had 26 Original Medicare patients and 38 services. NPI 1275158115. 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: 1201 Grampian Blvd, Williamsport, PA 17701 · Directions (4 more locations)
  • Medicare: Accepts Medicare assignment
  • Hospital: UPMC Williamsport
  • Group practice: Phoenix Rehabilitation and Health Services Inc (+1 more)
  • School: graduated 2020
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsey I. Koontz, 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 Kelsey I. Koontz accept Medicare assignment?
Yes. Medicare's clinician data says Kelsey I. Koontz 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 Kelsey I. Koontz see?
In 2024, CMS data shows 26 Original Medicare patients and 38 services for Kelsey I. Koontz. This counts Original Medicare only and measures volume, not quality.
What is Kelsey I. Koontz's NPI number?
1275158115. 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 Kelsey I. Koontz, 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 patients26
Services billed to Medicare38
Different services or procedures8
Participating Medicare providerYes
Average age of these patients81

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 cholesterol73%
  • Anxiety65%
  • Arthritis58%
  • Depression50%
  • Ischemic heart disease46%

Hospitals where Kelsey I. Koontz works

Medicare's Facility Affiliation Data lists Kelsey I. Koontz 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.

  • UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390045

Practice locations

Addresses where Kelsey I. Koontz is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1201 Grampian BlvdWilliamsport, PA 17701
  • 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
  • 416 S Main StMansfield, PA 16933
  • 700 High StWilliamsport, PA 17701
  • 700 High St, Fl 9Williamsport, PA 17701

Group practices

Medicare enrollment lists Kelsey I. Koontz as a member of these groups (CMS data updated October 2, 2026).

  • Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
  • Susquehanna Physician Services612 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Pennsylvania →

Other physician assistants in Williamsport

Clinicians with the same Medicare primary specialty in Williamsport, PA — not a recommendation.

All physician assistants in Williamsport →

Other clinicians in Phoenix Rehabilitation and Health Services Inc

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

Clinician information

CredentialPA
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275158115
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