Alexandra Paige Karsos, NP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

312421 Issued in NY

Practice address

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

Phone

(603) 721-2263

NPI assigned

Aug 16, 2025

Last updated

Aug 16, 2025By the provider in NPPES

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 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, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• NYU Langone Hospitals Hospital, New York, NY, CCN 330214

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• New York University

  dba NYU Faculty Group Practice

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

  NY

  Medicare reassignment NPD
• New York University

  dba NYU Langone Ambulatory Care Chelsea

  • Physical Medicine & Rehabilitation Physician
  • Boynton Beach, FL
  • NPI 1104787613
  NPD

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

  dba NYU Langone Hospital Long Island

  • 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

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  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": "1755302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755302400000",
    "number": "1215814991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "340 OLD RIVER RD UNIT 311",
            "city": "EDGEWATER",
            "state": "NJ",
            "postal_code": "070201702",
            "telephone_number": "917-584-3491"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162708",
            "telephone_number": "603-721-2263"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARSOS",
        "first_name": "ALEXANDRA",
        "middle_name": "PAIGE",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-16",
        "last_updated": "2025-08-16",
        "certification_date": "2025-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "312421",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Luiza Karrer, MD
• Fraya I Karsh, DMD
• Jane C Karsh, LCSW
• Gary Charles Karshmer, LCSW
• Jennifer Paige Karson, LCSW
• Kelsey Scott Karsten
• Liza Karsten, CSW,MSW
• Robert Karsten, DDS
• Ahmet Kartal, MD
• Danielle E Karten

• Adult Health Nurse Practitioner in New York, NY
• Providers in New York, NY by specialty
• Adult Health Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.