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Physician Assistant

Kaitlyn M. O'Neil, PA

Works at hospitals in York, PA · Pennsylvania

Summary

Kaitlyn M. O'Neil, PA is a physician assistant at 2319 S George St, Wellspan Orthopedics, York, PA 17403. Phone: (717) 812-4090. Accepts Medicare assignment. In 2024, Kaitlyn M. O'Neil had 82 Original Medicare patients and 204 services. NPI 1699263566. 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: 2319 S George St, Wellspan Orthopedics, York, PA 17403 · Directions (2 more locations)
  • Phone: (717) 812‑4090
  • Medicare: Accepts Medicare assignment
  • Hospital: WellSpan York Hospital
  • Group practice: WellSpan Medical Group
  • School: graduated 2018
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kaitlyn M. O'Neil, 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 Kaitlyn M. O'Neil accept Medicare assignment?
Yes. Medicare's clinician data says Kaitlyn M. O'Neil 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 Kaitlyn M. O'Neil see?
In 2024, CMS data shows 82 Original Medicare patients and 204 services for Kaitlyn M. O'Neil. This counts Original Medicare only and measures volume, not quality.
What is Kaitlyn M. O'Neil's NPI number?
1699263566. 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 Kaitlyn M. O'Neil, 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 patients82
Services billed to Medicare204
Different services or procedures15
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)83 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 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%
  • Arthritis75%
  • Chronic kidney disease34%
  • Diabetes32%
  • Osteoporosis32%

Hospitals where Kaitlyn M. O'Neil works

Medicare's Facility Affiliation Data lists Kaitlyn M. O'Neil 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.

  • WellSpan York HospitalYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390046

Practice locations

Addresses where Kaitlyn M. O'Neil is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kaitlyn M. O'Neil as a member of this group (CMS data updated October 2, 2026).

  • WellSpan Medical Group2,480 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Pennsylvania →

Other physician assistants in York

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

All physician assistants in York →

Other clinicians in WellSpan Medical Group

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

Clinician information

CredentialPA
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699263566
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