Abigail Leigh Kluczewski, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

2993 Issued in CT

Practice address

85 Seymour St Ste 609
Hartford, CT 06106-5501

Phone

(860) 972-5107

NPI assigned

Oct 1, 2013

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 CT, MA2 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

Physician Assistant

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hartford HospitalGroup PAC ID 2567366016, 1,040 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hartford Hospital Hospital, Hartford, CT, CCN 070025

Merit-based Incentive Payment System (MIPS)

Final score

92.63 of 100Reported as group

Quality

75.35

Promoting interoperability

100

Improvement activities

40

Cost

71.44

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: abigail.jensen@xdr.hhchealthdirect.org

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.

• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Medicare reassignment Care Compare group NPD
• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216
  Medicare reassignment NPD
• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391
  Medicare reassignment
• Ear, Nose & Throat Surgeons of Western New England, LLC

  • Otolaryngology Physician
  • Springfield, MA
  • NPI 1386685881
  Medicare reassignment
• Hartford Healthcare Medical Group Specialists LLC

  • Customized Equipment (DME)
  • Groton, CT
  • NPI 1295367068
  NPD
• Jonathan Kost MD LLC

  • Interventional Pain Medicine Physician
  • Meriden, CT
  • NPI 1205081890
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Care Compare affiliation
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1902834880
  Care Compare affiliation

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

{
    "created_epoch": "1380585600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1164859518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "85 SEYMOUR ST STE 609",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061065501",
            "telephone_number": "860-972-5107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "85 SEYMOUR ST STE 609",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061065501",
            "telephone_number": "860-972-5107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLUCZEWSKI",
        "first_name": "ABIGAIL",
        "middle_name": "LEIGH",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-10-01",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "2993",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel Klin
• Klingberg Comprehensive Family Services Inc
• Klingberg Family Centers Inc
• Vanessa Close Klopfer, PA-C
• Bohdan Klotska
• Jeffrey Kluger, M.D.
• Robert Frederic Knauft, MD
• Wesley David Knauft, M.D.
• Lataya Knight, REGISTERED NURSE
• Nikki Maria Knight, M.S.

• Physician Assistant in Hartford, CT
• Providers in Hartford, CT by specialty
• Physician Assistant in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2025; 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.