Active NPI
William Boylan, LCSW
- Addiction (Substance Use Disorder) Counselor
- New York, NY
National Provider Identifier
1063590289
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- License
- 18200
- Practice address
- 186 E 2ND St
#5
New York, NY 10009-7736 - Phone
- (917) 587-6959
- Fax
- (212) 228-4678
- NPI assigned
- Nov 2, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | 18200 | NY | Primary |
| Clinical Social Worker | 1041C0700X | 073456 | NY |
Addresses
Primary practice location
186 E 2ND St
#5
New York, NY 10009-7736
Mailing address
186 E 2ND St
#5
New York, NY 10009-7736
Phone (917) 587-6959
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 |
|---|---|---|---|
| 18200 | NY | MD | Addiction (Substance Use Disorder) Counselor |
| 073456 | NY | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1162425600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1063590289",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "186 E 2ND ST",
"address_2": "#5",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100097736",
"telephone_number": "917-587-6959",
"fax_number": "212-228-4678"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "186 E 2ND ST",
"address_2": "#5",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100097736",
"telephone_number": "917-587-6959",
"fax_number": "212-228-4678"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BOYLAN",
"first_name": "WILLIAM",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-11-02",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "NY",
"license": "18200",
"primary": true
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "073456",
"primary": false
}
],
"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 Sep 11, 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.