Individual provider Active NPI

Margaret Mamolen, M.D.

  • Adolescent Medicine (Family Medicine) Physician
  • Bellingham, WA
National Provider Identifier
1265468631
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adolescent Medicine (Family Medicine) PhysicianTaxonomy code 207QA0000X
License
W00034223 Issued in WA
Practice address
516 High St
Western Washington University
Bellingham, WA 98225-5946
Phone
(360) 650-3563
Fax
(360) 650-3883
NPI assigned
Jun 25, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adolescent Medicine (Family Medicine) Physician 207QA0000X W00034223 WA Primary

Addresses

Primary practice location

516 High St
Western Washington University
Bellingham, WA 98225-5946

Mailing address

1501 Lowe Ave
Bellingham, WA 98229-5021
Phone (360) 650-3563

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
W00034223WAMDAdolescent Medicine (Family Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Western Washington University Student Health Center Past Accepting new patients
Western Washington University Past Accepting new patients

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.

NPI Registry JSON

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

{
    "created_epoch": "1151193600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1265468631",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 LOWE AVE",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982295021",
            "telephone_number": "360-650-3563",
            "fax_number": "360-650-3883"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "516 HIGH ST",
            "address_2": "WESTERN WASHINGTON UNIVERSITY",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982255946",
            "telephone_number": "360-650-3563",
            "fax_number": "360-650-3883"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAMOLEN",
        "first_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0000X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Adolescent Medicine",
            "state": "WA",
            "license": "W00034223",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellingham, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.