Kelly Catherine O'Sullivan, MSN, AGACNP-BC

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

F432536-01 Issued in NY

Practice address

240 E 38TH St FL 20
New York, NY 10016-2708

Phone

(212) 731-6002

NPI assigned

Mar 23, 2023

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY

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 1

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Memorial Anesthesiology GroupGroup PAC ID 8729977129, 298 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NYU Langone Hospitals Hospital, New York, NY, CCN 330214
• Rusk Rehabilitation Inpatient rehabilitation facility, New York, NY, CCN 33T214

Merit-based Incentive Payment System (MIPS)

Final score

77.79 of 100Reported as group

Quality

80.63

Improvement activities

40

Cost

49.95

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: kosullivan95957@mskcc.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.

• Memorial Anesthesiology Group

  • Anesthesiology Physician
  • New York, NY
  • NPI 1467423020
  Medicare reassignment Care Compare group NPD
• New York University

  • Cardiovascular Disease Physician
  • Boynton Beach, FL
  • NPI 1285826438

  NY

  Medicare reassignment

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

• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • New York, NY
  • NPI 1275632895
  Care Compare affiliation
• NYU Langone Hospitals

  • Ambulance
  • Brooklyn, NY
  • NPI 1346614443

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Mineola, NY
  • NPI 1427616002
  Care Compare affiliation
• NYU Langone Hospitals

  • Oncology Clinic/Center
  • New York, NY
  • NPI 1437230034

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • Brooklyn, NY
  • NPI 1437523537

  Inpatient rehabilitation facility

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  Care Compare affiliation
• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • New York, NY
  • NPI 1659470276

  Inpatient rehabilitation facility

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1669578324
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1801992631
  Care Compare affiliation

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

{
    "created_epoch": "1679529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779062400000",
    "number": "1043913668",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "480 MAIN ST APT 5B",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100440408",
            "telephone_number": "201-546-0127"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 E 38TH ST FL 20",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162708",
            "telephone_number": "212-731-6002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1275 York Ave # M18",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100656007",
            "country_code": "US",
            "telephone_number": "212-639-6987 x6987",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'SULLIVAN",
        "first_name": "KELLY",
        "middle_name": "CATHERINE",
        "credential": "MSN, AGACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-23",
        "last_updated": "2026-05-18",
        "certification_date": "2026-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NY",
            "license": "F432536-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Barbara O'Sullivan, MD
• Caroline O'Sullivan, LCSW
• Eilish T O'Sullivan, PT
• Geoffrey Michael O'Sullivan, RPA-C
• Kelly Catherine O'Sullivan, LCSW
• Kerry O'Sullivan
• Maeve O'Sullivan
• Mary Katherine O'Sullivan, DNP, ARNP
• Mary M O'Sullivan, M.D.
• Megan Elizabeth O'Sullivan, PT

• Acute Care Nurse Practitioner in New York, NY
• Providers in New York, NY by specialty
• Acute Care Nurse Practitioner in New York

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