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Nurse Practitioner

Kelsi R. Alsop, NP

Works at hospitals in Greenville, PA · New Castle, PA · Pennsylvania

Summary

Kelsi R. Alsop, NP is a nurse practitioner at 110 N Main St, Greenville, PA 16125. Phone: (724) 656-4660. Accepts Medicare assignment. In 2024, Kelsi R. Alsop had 114 Original Medicare patients and 150 services. NPI 1023736451. 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: Nurse practitioner
  • Address: 110 N Main St, Greenville, PA 16125 · Directions (8 more locations)
  • Phone: (724) 656‑4660
  • Medicare: Accepts Medicare assignment
  • Hospitals: UPMC Horizon, UPMC Jameson
  • Group practice: University of Pittsburgh Physicians
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsi R. Alsop, 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 Kelsi R. Alsop accept Medicare assignment?
Yes. Medicare's clinician data says Kelsi R. Alsop 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 Kelsi R. Alsop see?
In 2024, CMS data shows 114 Original Medicare patients and 150 services for Kelsi R. Alsop. This counts Original Medicare only and measures volume, not quality.
What is Kelsi R. Alsop's NPI number?
1023736451. 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 Kelsi R. Alsop, 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 patients114
Services billed to Medicare150
Different services or procedures20
Participating Medicare providerYes
Average age of these patients77

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)56 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)30 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 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%
  • Arthritis63%
  • Heart failure61%
  • Atrial fibrillation60%
  • Ischemic heart disease54%

Hospitals where Kelsi R. Alsop works

Medicare's Facility Affiliation Data lists Kelsi R. Alsop 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 HorizonGreenville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390178
  • UPMC JamesonNew Castle, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390016

Practice locations

Addresses where Kelsi R. Alsop is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

  • 110 N Main StGreenville, PA 16125
  • 110 N Main St FlGreenville, PA 16125
  • 1211 Wilmington AveNew Castle, PA 16105
  • 1211 Wlmngtn Ave Grnd Flr, Div of Pulm Allergy and Crit Care MedNew Castle, PA 16105 (724) 656‑4660
  • 200 Lothrop StPittsburgh, PA 15213 (412) 383‑1370

Group practices

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

  • University of Pittsburgh Physicians4,236 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Greenville

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

All nurse practitioners in Greenville →

Other clinicians in University of Pittsburgh Physicians

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

Clinician information

CredentialNP
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023736451
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