Individual provider Active NPI

Mary Simpson, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Roxbury, MA
National Provider Identifier
1679443451
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
RN2334490 Issued in MA
Practice address
45 Dimock St
Roxbury, MA 02119-1208
Phone
(617) 442-8800
Fax
(617) 442-4088
NPI assigned
Nov 7, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X RN2334490 MA Primary

Addresses

Primary practice location

45 Dimock St
Roxbury, MA 02119-1208

Mailing address

55 Dimock St
Roxbury, MA 02119-1029
Phone (617) 442-8800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260218000481 MA Practitioner - Nurse Practitioner 3577043538 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

45 Dimock St
Roxbury, MA 02119-1208
Phone (617) 442-8800

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN2334490MAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Dimock Community Health Center, Inc CurrentSince Jan 23, 2026 Accepting new patients
Dimock Community Health Center, Inc CurrentSince Jan 23, 2026 Accepting new patients
Dimock Community Services Corporation CurrentSince Jan 23, 2026 Accepting new patients

Locations

41 Dimock St
Roxbury, MA 02119

45 Dimock St
Roxbury, MA 02119

55 Dimock St
Roxbury, MA 02119

56 Dimock St
Roxbury, MA 02119
Phone 61744288001257

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1762473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1679443451",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 DIMOCK ST",
            "city": "ROXBURY",
            "state": "MA",
            "postal_code": "021191029",
            "telephone_number": "617-442-8800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "45 DIMOCK ST",
            "city": "ROXBURY",
            "state": "MA",
            "postal_code": "021191208",
            "telephone_number": "617-442-8800",
            "fax_number": "617-442-4088"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "MARY",
        "credential": "PMHNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-11-07",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2334490",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Roxbury, MA

Sources for this page

Verify at the official NPI Registry.