Quick answers
- Does Deanne M. O'Brien Hagerty accept Medicare assignment?
- Yes. Medicare's clinician data says Deanne M. O'Brien Hagerty 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 Deanne M. O'Brien Hagerty's NPI number?
- 1780540104. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Deanne M. O'Brien Hagerty works
Medicare's Facility Affiliation Data lists Deanne M. O'Brien Hagerty 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.
- Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031
Practice locations
Addresses where Deanne M. O'Brien Hagerty is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Boston Medical Ctr PlBoston, MA 02118 (617) 638‑6610
Group practices
Medicare enrollment lists Deanne M. O'Brien Hagerty as a member of this group (CMS data updated October 2, 2026).
- Boston University Medical Center Radiologists, Inc.61 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Boston University Medical Center Radiologists, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780540104 |
| 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