Katherine Buckner Orr, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

80976 Issued in CT

Practice address

55 Lock St
New Haven, CT 06511-3603

Phone

(203) 432-0246

NPI assigned

May 5, 2021

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

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

Internal Medicine

Education

University of Pittsburgh School of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Yale University

  • Health Service Clinic/Center
  • New Haven, CT
  • NPI 1093862740
  Medicare reassignment NPD
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD

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

{
    "created_epoch": "1620172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754524800000",
    "number": "1285217422",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 LOCK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065113603",
            "telephone_number": "203-432-0246"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LOCK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065113603",
            "telephone_number": "203-432-0246"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ORR",
        "first_name": "KATHERINE",
        "middle_name": "BUCKNER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-05",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "80976",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Joe Orlosky, M.D.
• Martha Ormanoski, MD, MSC
• Raymond Orosz, BS
• Jesus Victor Orozco Jr.
• Luis Rene Orozco, CRNA
• Barbara Orrok, M.D.
• Maisie Alie Orsillo, DO
• Marisol Orth
• Orthocare Medical Equipment LLC
• Orthopaedic Surgeons PC

• Internal Medicine Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.