Active NPI
Mary Edelen McWilliams, LMSW
- Clinical Social Worker
- New York, NY
National Provider Identifier
1184518391
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 123951
- Practice address
- 519 8TH Ave RM 9
New York, NY 10018-4582 - Phone
- (917) 525-3063
- NPI assigned
- Jun 4, 2025
- Sex
- Female
- 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 | 123951 | NY | Primary |
Addresses
Primary practice location
519 8TH Ave RM 9
New York, NY 10018-4582
Mailing address
10 N Ridgewood Rd Apt 202
South Orange, NJ 07079-1553
Phone (917) 525-3063
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 123951 | NY | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1748995200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749686400000",
"number": "1184518391",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "10 N RIDGEWOOD RD APT 202",
"city": "SOUTH ORANGE",
"state": "NJ",
"postal_code": "070791553",
"telephone_number": "917-525-3063"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "519 8TH AVE RM 9",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100184582",
"telephone_number": "917-525-3063"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCWILLIAMS",
"first_name": "MARY",
"middle_name": "EDELEN",
"credential": "LMSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-06-04",
"last_updated": "2025-06-12",
"certification_date": "2025-06-12",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "123951",
"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 Jun 12, 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.