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Physician Assistant

Samantha A. Olewnik

Sees patients in Amherst, NY · East Amherst, NY · New York

Summary

Samantha A. Olewnik is a physician assistant at 3925 Sheridan Dr, Amherst, NY 14226. Phone: (716) 250-9999. Accepts Medicare assignment. In 2024, Samantha A. Olewnik had 153 Original Medicare patients and 520 services. NPI 1184936833. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 3925 Sheridan Dr, Amherst, NY 14226 · Directions (2 more locations)
  • Phone: (716) 250‑9999
  • Medicare: Accepts Medicare assignment
  • Group practice: Excelsior Orthopaedics LLP
  • School: graduated 2010
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Samantha A. Olewnik, 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 Samantha A. Olewnik accept Medicare assignment?
Yes. Medicare's clinician data says Samantha A. Olewnik 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 Samantha A. Olewnik see?
In 2024, CMS data shows 153 Original Medicare patients and 520 services for Samantha A. Olewnik. This counts Original Medicare only and measures volume, not quality.
What is Samantha A. Olewnik's NPI number?
1184936833. 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 Samantha A. Olewnik, 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 patients153
Services billed to Medicare520
Different services or procedures55
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)44 services
  3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)44 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)42 services
  5. X-ray of foot, minimum of 3 views (73630)32 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 cholesterol75%
  • Arthritis75%
  • High blood pressure67%
  • Anxiety35%
  • Chronic kidney disease30%
  • Depression26%

Practice locations

Addresses where Samantha A. Olewnik is enrolled with Medicare (CMS data updated October 2, 2026).

  • 3925 Sheridan DrAmherst, NY 14226 (716) 250‑9999
  • 3925 Sheridan Dr, Suite 100Amherst, NY 14226
  • 8750 Transit RdEast Amherst, NY 14051

Group practices

Medicare enrollment lists Samantha A. Olewnik as a member of this group (CMS data updated October 2, 2026).

  • Excelsior Orthopaedics LLP144 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Amherst

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

All physician assistants in Amherst →

Other clinicians in Excelsior Orthopaedics LLP

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

Clinician information

Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184936833
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians