Mary Simpson, PMHNP-BC
NPI 1679443451 · Psychiatric/Mental Health Nurse Practitioner · Roxbury, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Simpson, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Roxbury, MA (NPI 1679443451).
Provider details
- NPI number
- 1679443451
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2334490 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-11-07
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Mary Simpson's NPI number?
- Mary Simpson's National Provider Identifier (NPI) is 1679443451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Simpson's specialty?
- Mary Simpson is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Simpson located?
- Mary Simpson's practice location on file with NPPES is 45 Dimock St, Roxbury, MA 02119-1208.
- What is Mary Simpson's phone number?
- The practice phone number listed in the NPPES registry for Mary Simpson is (617) 442-8800.
- Does Mary Simpson accept Medicare?
- Mary Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Simpson's NPI active?
- Yes — Mary Simpson's NPI (1679443451) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.