Quick answers
- Does Diana M. Bishop accept Medicare assignment?
- Yes. Medicare's clinician data says Diana M. Bishop 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 Diana M. Bishop's NPI number?
- 1447954177. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diana M. Bishop works
Medicare's Facility Affiliation Data lists Diana M. Bishop 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.
- Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105
Practice locations
Addresses where Diana M. Bishop is enrolled with Medicare (CMS data updated October 2, 2026).
- 290 Littleton Rd, Unit 3Chelmsford, MA 01824 (978) 685‑2460
Group practices
Medicare enrollment lists Diana M. Bishop as a member of these groups (CMS data updated October 2, 2026).
- New England Community Medical Services PLLC55 clinicians in the group
- Lawrence General Community Medical Service PLLC52 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Chelmsford
Clinicians with the same Medicare primary specialty in Chelmsford, MA — not a recommendation.
Other clinicians in New England Community Medical Services PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447954177 |
| 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