Active NPI
Marielle Duke, LPC
- Professional Counselor
- Philadelphia, PA
National Provider Identifier
1114574647
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- PC017579
- Practice address
- 1601 Walnut St Ste 1005
Philadelphia, PA 19102-2906 - Phone
- (267) 279-9283
- NPI assigned
- Aug 20, 2019
- 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 |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | PC017579 | PA | Primary |
Addresses
Primary practice location
1601 Walnut St Ste 1005
Philadelphia, PA 19102-2906
Mailing address
2122 South St Apt 2F
Philadelphia, PA 19146-1290
Phone (845) 667-0757
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 |
|---|---|---|---|
| PC017579 | PA | MD | Professional Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Evolving Tree Therapy LLC | Mental Health | 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.
-
- Mental Health Counselor
- Canaan, CT
- NPI 1720830995
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1566259200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749859200000",
"number": "1114574647",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2122 SOUTH ST APT 2F",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191461290",
"telephone_number": "845-667-0757"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1601 WALNUT ST STE 1005",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191022906",
"telephone_number": "267-279-9283"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUKE",
"first_name": "MARIELLE",
"credential": "LPC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2019-08-20",
"last_updated": "2025-06-14",
"certification_date": "2025-06-14",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "PA",
"license": "PC017579",
"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 Jun 14, 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.