Kelly C. Hanretta, D.O.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

67486 Issued in CT

Practice address

20 York St
New Haven, CT 06510-3220

Phone

(203) 688-4748

Fax

(203) 688-4740

NPI assigned

Jul 15, 2010

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY, CT, RI3 enrollments

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 3

Specialty

Cardiovascular Disease (Cardiology)

Education

New York College of Osteo Medicine of New York Institute of Technology, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Westerly Hospital Hospital, Westerly, RI, CCN 410013
• Lawrence & Memorial Hospital Hospital, New London, CT, CCN 070007
• William W Backus Hospital Hospital, Norwich, CT, CCN 070024
• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
• Windham Community Memorial Hospital Hospital, Willimantic, CT, CCN 070021

Merit-based Incentive Payment System (MIPS)

Final score

90.42 of 100Reported as group

Quality

83.36

Promoting interoperability

100

Improvement activities

40

Cost

75.9

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kelly.hanretta@xdr.hhchealthdirect.org
• Direct secure messaging: khanretta519843@direct.ynhh.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 Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216

  RI, Single Specialty

  Medicare reassignment Care Compare group NPD
• Icahn School of Medicine at Mount Sinai

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1487912416

  Single Specialty

  Medicare reassignment NPD
• Hartford Healthcare Medical Group Specialists LLC

  • Customized Equipment (DME)
  • Groton, CT
  • NPI 1295367068
  NPD
• Icahn School of Medicine at Mount Sinai

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466

  Single Specialty

  NPD
• Lawrence Medical Associates, PC

  • Multi-Specialty Clinic/Center
  • Yorktown Heights, NY
  • NPI 1184115479
  NPD (past)
• New York-Presbyterian/Lawrence Hospital

  • General Acute Care Hospital
  • Bronxville, NY
  • NPI 1134131030
  NPD (past)

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

• Lawrence and Memorial Hospital, Inc.

  • General Acute Care Hospital
  • New London, CT
  • NPI 1073530879
  Care Compare affiliation
• Lawrence and Memorial Hospital, Inc.

  • General Acute Care Hospital
  • New London, CT
  • NPI 1700092459
  Care Compare affiliation
• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1467517235
  Care Compare affiliation
• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1639135718
  Care Compare affiliation
• William W Backus Hospital

  • Psychiatric Hospital Unit
  • Norwich, CT
  • NPI 1730243536
  Care Compare affiliation
• Windham Community Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Willimantic, CT
  • NPI 1023191467
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation
• LMW Healthcare Inc.

  • General Acute Care Hospital
  • Westerly, RI
  • NPI 1447595368
  Care Compare affiliation

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

{
    "created_epoch": "1279152000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776211200000",
    "number": "1295048502",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4748",
            "fax_number": "203-688-4740"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4748",
            "fax_number": "203-688-4740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HANRETTA",
        "first_name": "KELLY",
        "middle_name": "C.",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-07-15",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CT",
            "license": "67486",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "RI",
            "license": "DO01102",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "269430",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MB08792600",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1295048502",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ailish Meghan Hanly, MD
• Christine M Hanna, APRN
• Lisa Hanna
• Fady Hannah-Shmouni, M.D.
• Brittany Hannon
• Kate Hanselman, PMHNP
• Brian Josef Hansen, MD, PHD
• Caitlin Elizabeth Hansen, M.D.
• Frances Ann Hansen, PT, OCS
• James Ernest Hansen, MD

• Cardiovascular Disease Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Cardiovascular Disease Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.