Quick answers
- Does Garrett Ossolinski accept Medicare assignment?
- Yes. Medicare's clinician data says Garrett Ossolinski 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.
- What is Garrett Ossolinski's NPI number?
- 1760269344. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Garrett Ossolinski works
Medicare's Facility Affiliation Data lists Garrett Ossolinski 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.
- MUSC Medical CenterCharleston, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420004
Practice locations
Addresses where Garrett Ossolinski is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 Westchester AveWest Harrison, NY 10604 (914) 327‑2700
- 161 Fort Washington AveNew York, NY 10032 (212) 305‑8559
- 171 Ashley AveCharleston, SC 29425 (843) 792‑1414
Group practices
Medicare enrollment lists Garrett Ossolinski as a member of these groups (CMS data updated October 2, 2026).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
- University Medical Associates of the Medical University of South Carol1,668 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in West Harrison
Clinicians with the same Medicare primary specialty in West Harrison, NY — not a recommendation.
Other clinicians in Trustees of Columbia University in the City of New York
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760269344 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians