Quick answers
- Does Tiffany S. Koss accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany S. Koss 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 Tiffany S. Koss's NPI number?
- 1336677061. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tiffany S. Koss works
Medicare's Facility Affiliation Data lists Tiffany S. Koss 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.
- Grove City Medical CenterGrove City, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390266
- Independence Health System Butler Memorial HospitaButler, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390168
- West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090
Practice locations
Addresses where Tiffany S. Koss is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Nolte DrKittanning, PA 16201 (724) 543‑8657
- 160 Hollywood DrButler, PA 16001 (724) 282‑6175
- 2626 Haymaker Rd, Suite 2aMonroeville, PA 15146 (412) 373‑4411
- 3124 Wilmington Rd, Suite 203New Castle, PA 16105 (724) 657‑6833
- 631 N Broad St Ext, Suite 101Grove City, PA 16127 (724) 450‑7010
Group practices
Medicare enrollment lists Tiffany S. Koss as a member of this group (CMS data updated October 2, 2026).
- Allegheny Clinic Medical Oncology97 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Kittanning
Clinicians with the same Medicare primary specialty in Kittanning, PA — not a recommendation.
Other clinicians in Allegheny Clinic Medical Oncology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336677061 |
| 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