Active NPI
Mollie Wiviott, LSW
- Social Worker
- Philadelphia, PA
National Provider Identifier
1669342515
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- SW143111
- Practice address
- 1528 Walnut St Ste 805
Philadelphia, PA 19102-3608 - Phone
- (800) 736-3739
- NPI assigned
- Nov 6, 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | SW143111 | PA | Primary |
Addresses
Primary practice location
1528 Walnut St Ste 805
Philadelphia, PA 19102-3608
Mailing address
1528 Walnut St Ste 805
Philadelphia, PA 19102-3608
Phone (800) 736-3739
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 |
|---|---|---|---|
| SW143111 | PA | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762387200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762387200000",
"number": "1669342515",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1528 WALNUT ST STE 805",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191023608",
"telephone_number": "800-736-3739"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1528 WALNUT ST STE 805",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191023608",
"telephone_number": "800-736-3739"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WIVIOTT",
"first_name": "MOLLIE",
"credential": "LSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-11-06",
"last_updated": "2025-11-06",
"certification_date": "2025-11-06",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Social Worker",
"state": "PA",
"license": "SW143111",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Philadelphia, PA
- Christian Federico Witzke, M.D.
- Ashley E. Wivel, MD
- Wives and Self Help Foundation Inc
- Wives Self Help Foundation, Inc (Counseling and Therapy Assoc.)
- Wives Self Help Foundation, Inc (couseling and therapy assoc.)
- Wjo Inc. (Bustleton Family Practice and Medical Center)
- WLB Property
- Kai Gerald Wleh
- Robert Wlodarczyk, M.A.
- Colleen Haas Wlostowski, CRNA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 6, 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.