Anna Krzyzewski, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

357444 Issued in NY

Practice address

156 William St FL 12
New York, NY 10038-5322

Phone

(212) 746-1500

NPI assigned

Sep 10, 2025

Last updated

Sep 10, 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

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Weill Medical College of CornellGroup PAC ID 6800709023, 2,023 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hospital for Special Surgery Hospital, New York, NY, CCN 330270
• New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

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.

• Weill Medical College of Cornell

  dba Department of Surgery

  • Surgery Physician
  • New York, NY
  • NPI 1669579017
  Medicare reassignment Care Compare group
• Weill Cornell University Medical College

  • Women's Hospital
  • New York, NY
  • NPI 1538141536
  NPD (past)

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

• HSS Westchester

  • Radiology Clinic/Center
  • White Plains, NY
  • NPI 1184159188

  Hospital

  Care Compare affiliation
• New York Society for Relief of the Ruptured and Crippled Maintaining T

  dba HSS West Side

  • Radiology Clinic/Center
  • New York, NY
  • NPI 1376032029

  Hospital

  Care Compare affiliation
• New York Society for Relief of the Ruptured and Crippled Maintaining T

  dba HSS Brooklyn Outpatient Center

  • Radiology Clinic/Center
  • Brooklyn, NY
  • NPI 1487200408

  Hospital

  Care Compare affiliation
• New York Society for Relief of the Ruptured and Crippled Maintaining T

  dba HSS Hudson Yards

  • Radiology Clinic/Center
  • New York, NY
  • NPI 1801443619

  Hospital

  Care Compare affiliation
• New York Society for the Relief of Ruptured & Crippled Maintaining

  dba HSS Southampton

  • Radiology Clinic/Center
  • Southampton, NY
  • NPI 1023705803

  Hospital

  Care Compare affiliation
• New York Society for the Relief of Ruptured & Crippled Maintaining

  dba Hospital for Special Surgery

  • General Acute Care Hospital
  • New York, NY
  • NPI 1598703019
  Care Compare affiliation
• New York Society for the Relief of the Ruptured and Crippled

  dba Hospital for Special Surgery

  • Radiology Clinic/Center
  • Uniondale, NY
  • NPI 1629504501

  Hospital

  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1144504044
  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York-Presbyterian Hospital

  • Ambulance
  • New York, NY
  • NPI 1174628473

  Hospital

  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba NewYork-Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1194832477
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • Bronxville, NY
  • NPI 1780196345
  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York-Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  Care Compare affiliation

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

{
    "created_epoch": "1757462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1295616852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "156 WILLIAM ST FL 12",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100385322"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "156 WILLIAM ST FL 12",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100385322",
            "telephone_number": "212-746-1500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRZYZEWSKI",
        "first_name": "ANNA",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-09-10",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "357444",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hannah Lauren Krystal, MD
• Viktor Krystufek, DIPL.OM, LAC.
• Lusine Krysztan, MS
• Halina Krzywonos, D.D.S
• Magdalena Krzyzewska, M.D.
• KS Dentistry
• Ksenija Belsley, MD, PLLC
• Lauren Ksido
• Lennox Reuben Ksido, MD
• KT Chiropractic Health PLLC (Infinite Health Group)

• Family Nurse Practitioner in New York, NY
• Providers in New York, NY by specialty
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.