Active NPI
Croyle-Nielsen Clinical Services PC
- Adult Mental Health Clinic/Center
- Johnstown, PA
National Provider Identifier
1881501641
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Mental Health Clinic/Center
- Legal business name
- CROYLE-NIELSEN CLINICAL SERVICES PC
- Practice address
- 216 Main St
Johnstown, PA 15901-1509 - Phone
- (814) 266-2244
- Fax
- (814) 254-4691
- NPI assigned
- Aug 26, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mr. Jesper P Nielsen
- Title
- Chief Executive Officer
- Phone
- (814) 266-2244
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | |||
| Adult Mental Health Clinic/Center | 261QM0850X | Primary |
Addresses
Primary practice location
216 Main St
Johnstown, PA 15901-1509
Mailing address
216 Main St
Johnstown, PA 15901-1509
Phone (814) 266-2244
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1787702400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1787702400000",
"number": "1881501641",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "216 MAIN ST",
"city": "JOHNSTOWN",
"state": "PA",
"postal_code": "159011509",
"telephone_number": "814-266-2244",
"fax_number": "814-254-4691"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "216 MAIN ST",
"city": "JOHNSTOWN",
"state": "PA",
"postal_code": "159011509",
"telephone_number": "814-266-2244",
"fax_number": "814-254-4691"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CROYLE-NIELSEN CLINICAL SERVICES PC",
"organizational_subpart": "NO",
"enumeration_date": "2026-08-26",
"last_updated": "2026-08-26",
"certification_date": "2026-08-25",
"status": "A",
"authorized_official_last_name": "NIELSEN",
"authorized_official_first_name": "JESPER",
"authorized_official_middle_name": "P",
"authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
"authorized_official_telephone_number": "814-266-2244",
"authorized_official_name_prefix": "Mr."
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": null,
"license": null,
"primary": false
},
{
"code": "261QM0850X",
"taxonomy_group": "",
"desc": "Clinic/Center, Adult Mental Health",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Johnstown, PA
- Leigh Ann Craig, CRNA
- Lauren Elizabeth Criswell, PA-C
- Crossroads to Independence, Inc.
- Abigail Crownover, OTR/L
- Croyle Psychological Associates
- Croyle-Nielsen Health Services, LLC
- Croyle-Nielsen Support Services, LLC
- Croyle-Nielsen Therapeutic Associates, Inc.
- Croyle-Serbin Therapeutic Associates, P.C.
- Croyle-Serbin Therapeutic Associates, PC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.