Active NPI
Gretchen Zettlemoyer, CRNP
- Acute Care Nurse Practitioner
- Wynnewood, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Acute Care Nurse Practitioner
- License
- SP013283
- Practice address
- 100 E Lancaster Ave
Heart Pavilion, Mezzanine
Wynnewood, PA 19096-3450 - Phone
- (484) 476-1000
- Fax
- (484) 476-9000
- NPI assigned
- Nov 8, 2013
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Acute Care Nurse Practitioner | 363LA2100X | SP013283 | PA | Primary |
Addresses
Primary practice location
100 E Lancaster Ave
Heart Pavilion, Mezzanine
Wynnewood, PA 19096-3450
Mailing address
100 E Lancaster Ave
Heart Pavilion, Mezzanine
Wynnewood, PA 19096-3450
Phone (484) 476-1000
Other practice location 1
51 N 39th St
Philadelphia, PA 19104-2640
Phone (215) 662-9595
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Main Line Healthcare | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients |
Locations
830 Old Lancaster Rd
Ste 108
Bryn Mawr, PA 19010
Phone (610) 520-5200
255 W Lancaster Ave
Ste 201
Paoli, PA 19301
Phone (610) 325-3880
100 E Lancaster Ave
Wynnewood, PA 19096
Phone (484) 337-3583
777 Township Line Rd
Ste 200
Yardley, PA 19067
Phone (215) 860-0775
Organizations & group practices 4
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.
-
- Family Medicine Physician
- Newtown Square, PA
- NPI 1922077643
-
- Gynecologic Oncology Physician
- Philadelphia, PA
- NPI 1235527342
-
- Physical Medicine & Rehabilitation Physician
- Philadelphia, PA
- NPI 1760870893
-
- Surgical Oncology Physician
- Philadelphia, PA
- NPI 1871981985
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1383868800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768953600000",
"number": "1851720932",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "100 E LANCASTER AVE",
"address_2": "HEART PAVILION, MEZZANINE",
"city": "WYNNEWOOD",
"state": "PA",
"postal_code": "190963450",
"telephone_number": "484-476-1000",
"fax_number": "484-476-9000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 E LANCASTER AVE",
"address_2": "HEART PAVILION, MEZZANINE",
"city": "WYNNEWOOD",
"state": "PA",
"postal_code": "190963450",
"telephone_number": "484-476-1000",
"fax_number": "484-476-9000"
}
],
"practiceLocations": [
{
"address_1": "51 N 39th St",
"address_purpose": "LOCATION",
"city": "Philadelphia",
"state": "PA",
"postal_code": "191042640",
"country_code": "US",
"telephone_number": "215-662-9595",
"fax_number": "215-243-3243",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZETTLEMOYER",
"first_name": "GRETCHEN",
"credential": "CRNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-11-08",
"last_updated": "2026-01-21",
"certification_date": "2026-01-21",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2100X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Acute Care",
"state": "PA",
"license": "SP013283",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Wynnewood, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.