Active NPI
Pauline Lynn Hamacher
- Family Nurse Practitioner
- Hagerstown, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- R231554
- Practice address
- 11110 Medical Campus Rd Ste 228
Hagerstown, MD 21742-6727 - Phone
- (301) 733-0022
- NPI assigned
- Jun 3, 2025
- 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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R231554 | MD | Primary |
Addresses
Primary practice location
11110 Medical Campus Rd Ste 228
Hagerstown, MD 21742-6727
Mailing address
5627 Harpers Farm Rd Unit C
Columbia, MD 21044-2344
Other practice location 1
5755 Cedar Ln
Columbia, MD 21044-2912
Phone (410) 740-7890
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
- 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, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Meritus Medical Center Inc
Practice addresses (Care Compare)
11110 Medical Campus Rd
Hagerstown, MD 21742-6700
11110 Medical Campus Rd
Suite 228
Hagerstown, MD 21742-6727
Phone (301) 790-9350
Hospital & facility affiliations
- Wellspan Chambersburg Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R231554 | MD | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Practices of Antietam, LLC | Current | Accepting new patients | |
| Medical Practices of Antietam LLC | Current | Accepting new patients |
Locations
11110 Medical Campus Rd
Ste 228
Hagerstown, MD 21742
Phone (301) 733-0022
11116 Medical Campus Rd
Hagerstown, MD 21742
Phone (301) 766-7600
3 Byrkit Dr
Williamsport, MD 21795
Phone (301) 582-1150
Organizations & group practices 2
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.
-
- Clinic/Center
- Hagerstown, MD
- NPI 1710854963
-
- General Practice Physician
- Hagerstown, MD
- NPI 1558430843
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Chambersburg, PA
- NPI 1902804552
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1748908800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755561600000",
"number": "1538053756",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5627 HARPERS FARM RD UNIT C",
"city": "COLUMBIA",
"state": "MD",
"postal_code": "210442344"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11110 MEDICAL CAMPUS RD STE 228",
"city": "HAGERSTOWN",
"state": "MD",
"postal_code": "217426727",
"telephone_number": "301-733-0022"
}
],
"practiceLocations": [
{
"address_1": "5755 Cedar Ln",
"address_purpose": "LOCATION",
"city": "Columbia",
"state": "MD",
"postal_code": "210442912",
"country_code": "US",
"telephone_number": "410-740-7890",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HAMACHER",
"first_name": "PAULINE",
"middle_name": "LYNN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-06-03",
"last_updated": "2025-08-19",
"certification_date": "2025-08-19",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MD",
"license": "R231554",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Hagerstown, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2025; 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.