Kathleen D Polonchek, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD21696 Issued in ME

Practice address

329 Maine St Ste A200
Brunswick, ME 04011-3310

Phone

(207) 373-4700

Fax

(207) 618-5688

NPI assigned

Jun 4, 2014

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

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Northwestern University Feinberg Medical School, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kathleenpolonchek@mgh.allscriptsdirect.net
• Direct secure messaging: kathleen.polonchek.1@15948.direct.athenahealth.com

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.

• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380
  Medicare reassignment Care Compare group NPD
• 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": "1401840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1659784064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "329 MAINE ST STE A200",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040113310",
            "telephone_number": "207-373-4700",
            "fax_number": "207-618-5688"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "329 MAINE ST STE A200",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040113310",
            "telephone_number": "207-373-4700",
            "fax_number": "207-618-5688"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4 Sheridan Rd",
            "address_purpose": "LOCATION",
            "city": "Fairfield",
            "state": "ME",
            "postal_code": "049373314",
            "country_code": "US",
            "telephone_number": "207-453-3100",
            "fax_number": "207-453-3082",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POLONCHEK",
        "first_name": "KATHLEEN",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-04",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "MD21696",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacqueline Plachta, B.SC, M.AC, DIPL. AC
• Michael David Pleacher, MD
• Laura A Plunkett, LCSW
• Alyssa Podgorni, LICSW
• George Richard Polkinghorn, MD
• Christina Pontbriand
• Edward B Pontius, MD
• Rebecca L Porter, LCPC-C
• Michael Posch, DO
• Tanya Pospisil, PH.D.

• Family Medicine Physician in Brunswick, ME
• Providers in Brunswick, ME by specialty
• Family Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.