Active NPI
Mackenzie Erin Shetter, CRNP
- Gerontology Nurse Practitioner
- Lancaster, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gerontology Nurse Practitioner
- License
- SP024695
- Practice address
- 217 Harrisburg Ave
Lancaster, PA 17603-2964 - Phone
- (717) 544-8300
- Fax
- (717) 544-8265
- NPI assigned
- Nov 29, 2021
- 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 |
|---|---|---|---|---|
| Gerontology Nurse Practitioner | 363LG0600X | SP024695 | PA | Primary |
Addresses
Primary practice location
217 Harrisburg Ave
Lancaster, PA 17603-2964
Mailing address
217 Harrisburg Ave
Lancaster, PA 17603-2964
Phone (717) 544-8300
Other practice location 1
555 N Duke St
Lancaster, PA 17602-2250
Phone (717) 544-8200
Other names 1
- Mackenzie Erin Reffert
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
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
500 Universidy Dr
Hershey, PA 17033-2360
Phone (717) 531-5638
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| SP024695 | PA | MD | Gerontology Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Signify Health Medical Associates, PLLC | Current | Accepting new patients | |
| The Milton S Hershey Medical Center Physcian Group | Current | Accepting new patients | |
| The Milton S Hershey Medical Center Physician Group | Current | Accepting new patients | |
| The Milton S Hershey Medical Center Physicians Group | Current | Accepting new patients |
Locations
600 N 2nd St
Ste 401
Harrisburg, PA 17101
Phone (844) 341-2339
500 University Dr
#410
Hershey, PA 17033
Phone (717) 531-1159
500 University Dr
#41
Hershey, PA 17033
Phone (717) 531-8202
500 University Dr
#A410
Hershey, PA 17033
Phone (717) 531-8131
500 University Dr
Hershey, PA 17033
Phone (717) 531-8181
4055 Valley View Ln
Ste 700
Dallas, TX 75244
Phone (469) 466-7424
4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037
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.
-
- Orthopaedic Surgery Physician
- Hershey, PA
- NPI 1710951744
-
- Critical Care Medicine (Anesthesiology) Physician
- Hershey, PA
- NPI 1841264041
-
- Body Imaging Physician
- Hershey, PA
- NPI 1346215928
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lancaster, PA
- NPI 1104875103
-
- General Acute Care Hospital
- Parkesburg, PA
- NPI 1245571942
-
- General Acute Care Hospital
- Hershey, PA
- NPI 1568435477
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1638144000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787788800000",
"number": "1023775822",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "217 HARRISBURG AVE",
"city": "LANCASTER",
"state": "PA",
"postal_code": "176032964",
"telephone_number": "717-544-8300",
"fax_number": "717-544-8265"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "217 HARRISBURG AVE",
"city": "LANCASTER",
"state": "PA",
"postal_code": "176032964",
"telephone_number": "717-544-8300",
"fax_number": "717-544-8265"
}
],
"practiceLocations": [
{
"address_1": "555 N Duke St",
"address_purpose": "LOCATION",
"city": "Lancaster",
"state": "PA",
"postal_code": "176022250",
"country_code": "US",
"telephone_number": "717-544-8200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SHETTER",
"first_name": "MACKENZIE",
"middle_name": "ERIN",
"credential": "CRNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-11-29",
"last_updated": "2026-08-27",
"certification_date": "2026-08-27",
"status": "A"
},
"taxonomies": [
{
"code": "363LG0600X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Gerontology",
"state": "PA",
"license": "SP024695",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MACKENZIE",
"last_name": "REFFERT",
"middle_name": "ERIN",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Lancaster, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.