Active NPI
James Eliot Masten, L.C.S.W., PH.D.
- Clinical Social Worker
- New York, NY
National Provider Identifier
1811074453
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 051205-1
- Practice address
- 244 5TH Ave # 8H
New York, NY 10001-7604 - Phone
- (212) 691-2173
- NPI assigned
- Nov 1, 2006
- 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 | 051205-1 | NY | Primary |
Addresses
Primary practice location
244 5TH Ave # 8H
New York, NY 10001-7604
Mailing address
244 5TH Ave # 8H
New York, NY 10001-7604
Phone (212) 691-2173
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)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 051205-1 | NY | MD | Clinical Social Worker |
| 051205 | NY | MD | Pharmacist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1162339200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759276800000",
"number": "1811074453",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "244 5TH AVE # 8H",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100017604",
"telephone_number": "212-691-2173"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "244 5TH AVE # 8H",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100017604",
"telephone_number": "212-691-2173"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASTEN",
"first_name": "JAMES",
"middle_name": "ELIOT",
"name_prefix": "Mr.",
"credential": "L.C.S.W., PH.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-11-01",
"last_updated": "2025-10-01",
"certification_date": "2025-10-01",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "051205-1",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 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.