Active NPI
Madison Guertin
- Clinical Social Worker
- Boston, MA
National Provider Identifier
1700769882
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- Practice address
- 39 Boylston St
Boston, MA 02116-4702 - Phone
- (617) 457-1067
- NPI assigned
- Jul 28, 2025
- 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 | Primary |
Addresses
Primary practice location
39 Boylston St
Boston, MA 02116-4702
Mailing address
27 Glenville Ave
Allston, MA 02134-3530
Phone (860) 908-9547
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1753660800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753660800000",
"number": "1700769882",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "27 GLENVILLE AVE",
"city": "ALLSTON",
"state": "MA",
"postal_code": "021343530",
"telephone_number": "860-908-9547"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "39 BOYLSTON ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021164702",
"telephone_number": "617-457-1067"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUERTIN",
"first_name": "MADISON",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-07-28",
"last_updated": "2025-07-28",
"certification_date": "2025-07-25",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boston, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.