Active NPI
John McWilliams, LCSW
- Clinical Social Worker
- Philadelphia, PA
National Provider Identifier
1306111752
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- CW017099
- Practice address
- 255 S 17TH St
Suite 1405
Philadelphia, PA 19103-6231 - Phone
- (267) 902-7326
- NPI assigned
- Mar 19, 2012
- 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 | CW017099 | PA | Primary |
Addresses
Primary practice location
255 S 17TH St
Suite 1405
Philadelphia, PA 19103-6231
Mailing address
2101 Christian St
Philadelphia, PA 19146-1209
Phone (267) 902-7326
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jul 1, 2025 through Jul 1, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CW017099 | PA | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Hornstein, Platt and Associates | Clinical | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1332115200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1332115200000",
"number": "1306111752",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2101 CHRISTIAN ST",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191461209",
"telephone_number": "267-902-7326"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "255 S 17TH ST",
"address_2": "SUITE 1405",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191036231",
"telephone_number": "267-902-7326"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCWILLIAMS",
"first_name": "JOHN",
"name_prefix": "Mr.",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2012-03-19",
"last_updated": "2012-03-19",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "PA",
"license": "CW017099",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2012; 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.