Active NPI
Kourtney Nielsen, LPC
- Mental Health Counselor
- Chester, PA
National Provider Identifier
1770820904
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Practice address
- 2600 W 9TH St
Chester, PA 19013-2040 - Phone
- (610) 497-7200
- Fax
- (610) 497-7654
- NPI assigned
- Jan 8, 2013
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Counselor | 101Y00000X | |||
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | |||
| Mental Health Counselor | 101YM0800X | DE | Primary |
Addresses
Primary practice location
2600 W 9TH St
Chester, PA 19013-2040
Mailing address
221 Cordon Rd
Wilmington, DE 19803-5314
Phone (610) 316-7499
Other practice location 1
728 Springdale Dr
Exton, PA 19341-2941
Phone (302) 999-9812 ext. 152
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pace, Inc. | 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.
-
- Adult Mental Health Clinic/Center
- Wilmington, DE
- NPI 1518929850
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1357603200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760486400000",
"number": "1770820904",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "221 CORDON RD",
"city": "WILMINGTON",
"state": "DE",
"postal_code": "198035314",
"telephone_number": "610-316-7499"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2600 W 9TH ST",
"city": "CHESTER",
"state": "PA",
"postal_code": "190132040",
"telephone_number": "610-497-7200",
"fax_number": "610-497-7654"
}
],
"practiceLocations": [
{
"address_1": "728 Springdale Dr",
"address_purpose": "LOCATION",
"city": "Exton",
"state": "PA",
"postal_code": "193412941",
"country_code": "US",
"telephone_number": "302-999-9812 x152",
"fax_number": "302-999-9820",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NIELSEN",
"first_name": "KOURTNEY",
"credential": "LPC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2013-01-08",
"last_updated": "2025-10-15",
"certification_date": "2025-10-15",
"status": "A"
},
"taxonomies": [
{
"code": "101Y00000X",
"taxonomy_group": "",
"desc": "Counselor",
"state": null,
"license": null,
"primary": false
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": false
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": "DE",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chester, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 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.