Individual provider Active NPI

Allison E. Shaffer

  • Nurse Practitioner
  • Portland, ME
National Provider Identifier
1821684457
Registry record updated Sep 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
CNP251331 Issued in ME
Practice address
17 Bishop St
Portland, ME 04103-2659
Phone
(207) 203-7933
NPI assigned
Dec 17, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X CNP251331 ME Primary
Registered Nurse 163W00000X RN72170 ME

Addresses

Primary practice location

17 Bishop St
Portland, ME 04103-2659

Mailing address

80 Mussey St
South Portland, ME 04106-2009
Phone (603) 321-3760

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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
I20251104003533 ME Practitioner - Nurse Practitioner 6709376270 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

15 Grumman Rd W
Suite 1400
Bethpage, NY 11714-5029

180 Academy St
Suite 3
Presque Isle, ME 04769-3145

PO Box
Suite 95000
Philadelphia, PA 19195

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN72170MEMDRegistered Nurse
CNP251331MEMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
St. Mary'S Regional Medical Center CurrentSince Dec 1, 2025 Accepting new patients
St. Mary'S Regional Medical Center CurrentSince Dec 1, 2025 Accepting new patients
St. Mary'S Regional Medical Center Current Accepting new patients

Locations

93 Campus Ave
Lewiston, ME 04240
Phone (207) 755-3715

1230 Maine St
Poland, ME 04274
Phone (207) 998-4483

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1608163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1821684457",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "80 MUSSEY ST",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041062009",
            "telephone_number": "603-321-3760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17 BISHOP ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041032659",
            "telephone_number": "207-203-7933"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHAFFER",
        "first_name": "ALLISON",
        "middle_name": "E.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-12-17",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "ME",
            "license": "CNP251331",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "ME",
            "license": "RN72170",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.