Quick answers
- Where does Mary Simpson see patients?
- Medicare's clinician data lists 1 practice location in Roxbury, MA. Call before your visit to confirm the address.
- What is Mary Simpson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mary Simpson accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Simpson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mary Simpson?
- (617) 442-8800, as listed in official Medicare / NPI Registry data.
- What is Mary Simpson's NPI number?
- 1679443451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mary Simpson is enrolled with Medicare (CMS data updated 2026-10-02).
- 45 Dimock StRoxbury, MA 02119 (617) 442‑8800
Group practices
Medicare enrollment lists Mary Simpson as a member of this group (CMS data updated 2026-10-02).
- Dimock Community Health Center, Inc.42 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Roxbury
Clinicians with the same Medicare primary specialty in Roxbury, MA — 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) | 1679443451 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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