Quick answers
- Does Katherine J. Sacco accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine J. Sacco 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 Katherine J. Sacco's NPI number?
- 1427855220. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine J. Sacco works
Medicare's Facility Affiliation Data lists Katherine J. Sacco 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.
- Baystate Franklin Medical CenterGreenfield, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220016
Practice locations
Addresses where Katherine J. Sacco is enrolled with Medicare (CMS data updated October 2, 2026).
- 55 Federal St, Suite 220Greenfield, MA 01301 (413) 225‑2792
Group practices
Medicare enrollment lists Katherine J. Sacco as a member of this group (CMS data updated October 2, 2026).
- Greenfield Primary Care PLLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Greenfield
Clinicians with the same Medicare primary specialty in Greenfield, MA — not a recommendation.
Other clinicians in Greenfield Primary Care PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427855220 |
| 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