Active NPI
Gregory Day Mondragon, CRNP
- Gerontology Nurse Practitioner
- Zionsville, PA
National Provider Identifier
1376405290
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gerontology Nurse Practitioner
- License
- SP034292
- Practice address
- 8199 Powder LN
Zionsville, PA 18092-2538 - Phone
- (610) 739-2229
- NPI assigned
- Dec 1, 2025
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Gerontology Nurse Practitioner | 363LG0600X | SP034292 | PA | Primary |
Addresses
Primary practice location
8199 Powder LN
Zionsville, PA 18092-2538
Mailing address
8199 Powder LN
Zionsville, PA 18092-2538
Phone (610) 739-2229
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 |
|---|---|---|---|
| SP034292 | PA | MD | Gerontology Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1764547200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764547200000",
"number": "1376405290",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8199 POWDER LN",
"city": "ZIONSVILLE",
"state": "PA",
"postal_code": "180922538",
"telephone_number": "610-739-2229"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8199 POWDER LN",
"city": "ZIONSVILLE",
"state": "PA",
"postal_code": "180922538",
"telephone_number": "610-739-2229"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MONDRAGON",
"first_name": "GREGORY",
"middle_name": "DAY",
"credential": "CRNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-12-01",
"last_updated": "2025-12-01",
"certification_date": "2025-11-30",
"status": "A"
},
"taxonomies": [
{
"code": "363LG0600X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Gerontology",
"state": "PA",
"license": "SP034292",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Zionsville, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 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.