Individual provider Active NPI

Pauline Lynn Hamacher

  • Family Nurse Practitioner
  • Hagerstown, MD
National Provider Identifier
1538053756
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
R231554 Issued in MD
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

Updated by the provider on Aug 19, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250821000660 MD Practitioner - Nurse Practitioner 2961902390 Reassigns benefits to 1 organization

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 IncGroup PAC ID 7113811795, shared by 8 NPIs, 730 clinicians
Medical Practices of Antietam, LLCGroup PAC ID 2567353865, 229 clinicians

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 Hospital, Chambersburg, PA, CCN 390151

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
R231554MDMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Medical Practices of Antietam, LLC CurrentSince Aug 7, 2025 Accepting new patients
Medical Practices of Antietam LLC CurrentSince Aug 7, 2025 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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.