Individual provider Active NPI

Katherine Kim Rossiter, FNP

  • Family Nurse Practitioner
  • Portland, ME
National Provider Identifier
1386214716
Registry record updated Sep 13, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
CNP201146 Issued in ME
Practice address
161 Marginal Way
Portland, ME 04101-2438
Phone
(207) 773-7964
Fax
(207) 773-9073
NPI assigned
Jun 28, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 13, 2022

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 CNP201146 ME Primary

Addresses

Primary practice location

161 Marginal Way
Portland, ME 04101-2438

Mailing address

161 Marginal Way
Portland, ME 04101-2438
Phone (207) 773-7964

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
I20221116001378 ME Practitioner - Nurse Practitioner 8426426859 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy HospitalGroup PAC ID 6103737812, 307 clinicians

Practice addresses (Care Compare)

175 Fore River Pkwy
Portland, ME 04102-2779
Phone (207) 879-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
CNP201146MEMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital CurrentSince Oct 12, 2025 Accepting new patients
Portland Gastroenterology Associates P.a. CurrentSince Sep 6, 2022 Accepting new patients
Mercy Hospital CurrentSince Oct 12, 2025 Accepting new patients

Locations

175 Fore River Pkwy
Portland, ME 04102
Phone (207) 553-6105

161 Marginal Way
Portland, ME 04101
Phone (207) 773-7964

40 Park Rd
Westbrook, ME 04092
Phone (207) 857-8174

Organizations & group practices 3

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 2

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": "1624838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1663027200000",
    "number": "1386214716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "161 MARGINAL WAY",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041012438",
            "telephone_number": "207-773-7964"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "161 MARGINAL WAY",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041012438",
            "telephone_number": "207-773-7964",
            "fax_number": "207-773-9073"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSSITER",
        "first_name": "KATHERINE",
        "middle_name": "KIM",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-28",
        "last_updated": "2022-09-13",
        "certification_date": "2022-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ME",
            "license": "CNP201146",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.