Kristin O'Connor, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

031196 Issued in NY

Practice address

311 North St Ste 401
White Plains, NY 10605-2232

Phone

(763) 797-2146

NPI assigned

Jan 31, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, NY2 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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Stamford Health Medical Group IncGroup PAC ID 6901099746, 442 clinicians

Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: kristin.oconnor@xdr.hhchealthdirect.org
• Direct secure messaging: koconnor24386@stamfordhealth.direct-ci.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.

• Optum Medical Care, P.C.

  • Cardiovascular Disease Physician
  • Mount Kisco, NY
  • NPI 1982643003
  Medicare reassignment Care Compare group
• Stamford Health Medical Group Inc

  • General Practice Physician
  • Stamford, CT
  • NPI 1154633980
  Medicare reassignment Care Compare group
• Hartford Healthcare Medical Group, Inc

  • Surgery Physician
  • Wethersfield, CT
  • NPI 1043561301

  Physician Assistant

  Medicare reassignment NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Medicare reassignment NPD
• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391
  Medicare reassignment
• QMG2,LLC

  • Urgent Care Clinic/Center
  • Fairfield, CT
  • NPI 1437546363
  Medicare reassignment
• QMG3, LLC

  • Urgent Care Clinic/Center
  • Shelton, CT
  • NPI 1053856039
  Medicare reassignment
• QMG4, LLC

  • Family Medicine Physician
  • Bridgeport, CT
  • NPI 1023471299
  Medicare reassignment
• Quentin Medical Group, LLC

  • Urgent Care Clinic/Center
  • Bridgeport, CT
  • NPI 1487087250
  Medicare reassignment
• Optum Medical Care, P.C.

  • Durable Medical Equipment & Medical Supplies
  • New Hyde Park, NY
  • NPI 1053190595
  NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1902834880
  NPD
• Mount Kisco Medical Group

  • Hematology (Internal Medicine) Physician
  • Fishkill, NY
  • NPI 1952356362
  NPD (past)

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

{
    "created_epoch": "1485820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1558808378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL PLZ",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069023602",
            "telephone_number": "203-276-7298",
            "fax_number": "203-276-4282"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "311 NORTH ST STE 401",
            "city": "WHITE PLAINS",
            "state": "NY",
            "postal_code": "106052232",
            "telephone_number": "763-797-2146"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Hospital Plz",
            "address_purpose": "LOCATION",
            "city": "Stamford",
            "state": "CT",
            "postal_code": "069023602",
            "country_code": "US",
            "telephone_number": "203-276-7298",
            "fax_number": "203-276-4282",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "KRISTIN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-01-31",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "3768",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "031196",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ny Empire PT PC
• Ny Hospital
• Ann O'Brien
• Stephanie N. O'Callaghan, PH.D.
• Katelyn O'Connor, MD
• Shakira O'Garro, LMHC
• Decourcy O'Grady, LMSW
• Ryan O'Halloran, MD, MS
• Marina Lucille O'Hare, RN
• Siobhan Elizabeth O'Herron, MD

• Physician Assistant in White Plains, NY
• Providers in White Plains, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.