Active NPI
Mathilde C McAlpin
- Clinical Social Worker
- Lexington, MA
National Provider Identifier
1083487516
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LICSW1143327
- Practice address
- 110 Hartwell Ave Ste 330
Lexington, MA 02421-3118 - Phone
- (617) 852-1334
- NPI assigned
- Nov 6, 2023
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | LICSW1143327 | MA | Primary |
Addresses
Primary practice location
110 Hartwell Ave Ste 330
Lexington, MA 02421-3118
Mailing address
59 Winter St
Belmont, MA 02478-1144
Phone (617) 852-1334
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
4800 N Scottsdale Rd
Suite 2500
Scottsdale, AZ 85251-7630
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Child and Family Psychological Services, PLLC | Clinical | Past | Accepting new patients |
Organizations & group practices 1
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": "1699228800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782864000000",
"number": "1083487516",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "59 WINTER ST",
"city": "BELMONT",
"state": "MA",
"postal_code": "024781144",
"telephone_number": "617-852-1334"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "110 HARTWELL AVE STE 330",
"city": "LEXINGTON",
"state": "MA",
"postal_code": "024213118",
"telephone_number": "617-852-1334"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCALPIN",
"first_name": "MATHILDE",
"middle_name": "C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-11-06",
"last_updated": "2026-07-01",
"certification_date": "2026-07-01",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MA",
"license": "LICSW1143327",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lexington, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.