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Physician Assistant

Kelsey R. O'Bryon, PA

Works at hospitals in Troy, NY · Albany, NY · New York

Summary

Kelsey R. O'Bryon, PA is a physician assistant at 1735 Route 9, Halfmoon, NY 12065. Phone: (518) 525-2525. Accepts Medicare assignment. In 2024, Kelsey R. O'Bryon had 679 Original Medicare patients and 1,344 services. NPI 1285149005. 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: 1735 Route 9, Halfmoon, NY 12065 · Directions (3 more locations)
  • Phone: (518) 525‑2525
  • Medicare: Accepts Medicare assignment
  • Hospitals: Samaritan Hospital, St Peter's Hospital
  • Group practice: St. Peter's Health Partners Medical Associates, P.C.
  • School: Yale University School Of Medicine · graduated 2017
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsey R. O'Bryon, 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 R. O'Bryon accept Medicare assignment?
Yes. Medicare's clinician data says Kelsey R. O'Bryon 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 R. O'Bryon see?
In 2024, CMS data shows 679 Original Medicare patients and 1,344 services for Kelsey R. O'Bryon. This counts Original Medicare only and measures volume, not quality.
What is Kelsey R. O'Bryon's NPI number?
1285149005. 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 R. O'Bryon, 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 patients679
Services billed to Medicare1,344
Different services or procedures21
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)480 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)459 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)120 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)55 services
  5. Programming of dual lead pacemaker system (93280)53 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%
  • Ischemic heart disease53%
  • Atrial fibrillation53%
  • Arthritis48%
  • Heart failure37%

Hospitals where Kelsey R. O'Bryon works

Medicare's Facility Affiliation Data lists Kelsey R. O'Bryon 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.

  • Samaritan HospitalTroy, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330180
  • St Peter's HospitalAlbany, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330057

Practice locations

Addresses where Kelsey R. O'Bryon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelsey R. O'Bryon as a member of this group (CMS data updated October 2, 2026).

  • St. Peter's Health Partners Medical Associates, P.C.487 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Halfmoon

Clinicians with the same Medicare primary specialty in Halfmoon, NY — not a recommendation.

All physician assistants in Halfmoon →

Other clinicians in St. Peter's Health Partners Medical Associates, P.C.

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

Clinician information

CredentialPA
SchoolYale University School Of Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285149005
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