Kathleen Mary Csillag-Klein, NP

Primary specialty

Women's Health Nurse PractitionerTaxonomy code 363LW0102X

License

F421210 Issued in NY

Practice address

139 Centre St PH 120
New York, NY 10013-4559

Phone

(888) 731-8994

NPI assigned

Jun 15, 2015

Sex

Female

Sole proprietor

Yes

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 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

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kathleen.csillag-klein.1@27069.direct.athenahealth.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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment NPD
• Nsuh OB-GYN Associates

  • Medical Specialty Clinic/Center
  • Great Neck, NY
  • NPI 1871972042
  NPD (past)
• Integrative Womens Care PC

  • Obstetrics & Gynecology Physician
  • Palo Alto, CA
  • NPI 1972266732
  NPD (past)

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

{
    "created_epoch": "1434326400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1174904288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "139 CENTRE ST PH 120",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100134559",
            "telephone_number": "888-731-8994"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "139 CENTRE ST PH 120",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100134559",
            "telephone_number": "888-731-8994"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CSILLAG-KLEIN",
        "first_name": "KATHLEEN",
        "middle_name": "MARY",
        "name_prefix": "Dr.",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-06-15",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "NY",
            "license": "F421210",
            "primary": true
        },
        {
            "code": "163WW0101X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Women's Health Care, Ambulatory",
            "state": "NY",
            "license": "401833-1",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sara C Crystal, MD
• Yasmi O. Crystal, DMD
• CS & DM Counsulting LLC
• Eileen Csakany, RN
• Christopher Stephen Cselenyi, M.D., PH.D.
• Julia Csillag
• Veronica Csillag, LCSW
• CT Health Castle Corp
• Teresa Cuadra, MD
• Floriselda Cuadro, MD

• Women's Health Nurse Practitioner in New York, NY
• Providers in New York, NY by specialty
• Women's Health Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 3, 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.