Katelyn St. Pierre Isaac, AG-ACNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

CNP151017 Issued in ME

Practice address

35 Medical Center Pkwy
Augusta, ME 04330-8160

Phone

(207) 621-4116

Fax

(207) 621-4689

NPI assigned

Mar 10, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in ME, NH2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Maine Center for Cancer Medicine and Blood Disorders PAGroup PAC ID 0840195186, 69 clinicians

Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maine General Medical Center Hospital, Augusta, ME, CCN 200039

Merit-based Incentive Payment System (MIPS)

Final score

86.22 of 100Reported as group

Quality

75.39

Promoting interoperability

84

Improvement activities

40

Cost

75.32

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

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.

• Maine Center for Cancer Medicine & Blood Disorders, P.a.

  • Hematology & Oncology Physician
  • Westbrook, ME
  • NPI 1205896107

  NH, Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380
  Medicare reassignment Care Compare group NPD
• Central Maine Medical Center

  • General Acute Care Hospital
  • Lewiston, ME
  • NPI 1689653487
  Medicare reassignment
• Mainegeneral Medical Center

  • Community/Retail Pharmacy
  • Waterville, ME
  • NPI 1477344976
  NPD

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

{
    "created_epoch": "1425945600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1083007405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911",
            "city": "BRATTLEBORO",
            "state": "VT",
            "postal_code": "053020911",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 MEDICAL CENTER PKWY",
            "city": "AUGUSTA",
            "state": "ME",
            "postal_code": "043308160",
            "telephone_number": "207-621-4116",
            "fax_number": "207-621-4689"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Independence Dr",
            "address_purpose": "LOCATION",
            "city": "Kennebunk",
            "state": "ME",
            "postal_code": "040436078",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2144",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "155 Borthwick Ave Ste C",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "NH",
            "postal_code": "038017156",
            "country_code": "US",
            "telephone_number": "603-828-0100",
            "fax_number": "603-828-0111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11 Rock Row Ste 120",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 Rock Row Ste 110",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 Topsham Fair Mall Rd Unit 1",
            "address_purpose": "LOCATION",
            "city": "Topsham",
            "state": "ME",
            "postal_code": "040861773",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2137",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISAAC",
        "first_name": "KATELYN",
        "middle_name": "ST. PIERRE",
        "credential": "AG-ACNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-03-10",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "ME",
            "license": "CNP151017",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Nurse Practitioner in Augusta, ME
• Providers in Augusta, ME by specialty
• Nurse Practitioner in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 2026; 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.

Verify at the official NPI Registry.