Active NPI
Matthew David Deschaine, MSW, MA
- Clinical Social Worker
- Brunswick, ME
National Provider Identifier
1104195775
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LC21815
- Practice address
- 6 Federal St
Brunswick, ME 04011-1508 - Phone
- (207) 358-9464
- NPI assigned
- Dec 27, 2011
- Last updated
- Feb 23, 2026
- Sex
- Male
- Sole proprietor
- Yes
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 | LC21815 | ME | Primary |
Addresses
Primary practice location
6 Federal St
Brunswick, ME 04011-1508
Mailing address
6 Federal St
Brunswick, ME 04011-1508
Phone (207) 358-9464
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective May 1, 2024 through May 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Master of Arts
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LC21815 | ME | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1324944000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771804800000",
"number": "1104195775",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6 FEDERAL ST",
"city": "BRUNSWICK",
"state": "ME",
"postal_code": "040111508",
"telephone_number": "207-358-9464"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6 FEDERAL ST",
"city": "BRUNSWICK",
"state": "ME",
"postal_code": "040111508",
"telephone_number": "207-358-9464"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DESCHAINE",
"first_name": "MATTHEW",
"middle_name": "DAVID",
"credential": "MSW, MA",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2011-12-27",
"last_updated": "2026-02-23",
"certification_date": "2026-02-23",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "ME",
"license": "LC21815",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Brunswick, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.