Barbara Polowczyk, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

331265 Issued in NY

Practice address

400 E Main St
Northern Westchester Hospital
Mount Kisco, NY 10549-3417

Phone

(914) 666-1254

Fax

(914) 666-1931

NPI assigned

Aug 30, 2005

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles (10 of 14)

Locations

Networks

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

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/DGEFDD
• Direct secure messaging: barbara.polowczyk@ghuc.eclinicaldirectplus.com
• Direct secure messaging: bpolowczyk24191@northwell.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.

• Graig Straus, Family Health NP, P.C.

  • Family Nurse Practitioner
  • West Haverstraw, NY
  • NPI 1083484141

  Family, NY

  Medicare reassignment Care Compare group NPD
• North Shore Lij, Urgent Care, P.C.

  • Urgent Care Clinic/Center
  • Rockville Centre, NY
  • NPI 1679970891

  NY

  Medicare reassignment Care Compare group NPD
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  NY

  Medicare reassignment Care Compare group NPD
• Rockland Urgent Care Family Health NP, P.C.

  • Urgent Care Clinic/Center
  • West Haverstraw, NY
  • NPI 1184029118

  NY

  Medicare reassignment Care Compare group NPD
• Northern Westchester Hospital Association

  • General Acute Care Hospital
  • Mount Kisco, NY
  • NPI 1912992215

  NY

  Medicare reassignment NPD
• Westchester Health Medical, P.C.

  • Allergy & Immunology Physician
  • Katonah, NY
  • NPI 1386188647

  NY

  Medicare reassignment NPD
• Northern Westchester Hospital Association

  • Medicare Defined Swing Bed Hospital Unit
  • Mount Kisco, NY
  • NPI 1396178356
  NPD
• Northern Westchester Hospital Association

  • Emergency Medicine Physician
  • Mount Kisco, NY
  • NPI 1457789075
  NPD
• Northern Westchester Hospital Association

  • Emergency Medicine Physician
  • Mount Kisco, NY
  • NPI 1679641237
  NPD
• Westchester Health Medical, P.C.

  • Durable Medical Equipment & Medical Supplies
  • Mount Kisco, NY
  • NPI 1598203911
  NPD

Specialty

Nurse Practitioner

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Graig Straus Family Health NP, PC 3 clinicians

Rockland Urgent Care Family Health NP, PC 15 clinicians

North Shore Lij Urgent Care PC 389 clinicians

North Shore-Lij Medical PC 6,374 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

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

{
    "created_epoch": "1125360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1952394413",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 E MAIN ST",
            "address_2": "NORTHERN WESTCHESTER HOSPITAL",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105493417",
            "telephone_number": "914-666-1254",
            "fax_number": "914-666-1931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 E MAIN ST",
            "address_2": "NORTHERN WESTCHESTER HOSPITAL",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105493417",
            "telephone_number": "914-666-1254",
            "fax_number": "914-666-1931"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POLOWCZYK",
        "first_name": "BARBARA",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-30",
        "last_updated": "2026-07-13",
        "certification_date": "2024-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "331265",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Playmates Behavior Analysis
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• Daniil Pogosov, PHARMD
• Carla M Polcyn, MD123158
• Kristen Eve Pollack-Dorta, PH.D.
• Yelena Polyakova, D.C.
• Michelle Rachel Popkin, MD
• Ariel Walsh Porteus, CASAC-T
• Jeffrey S Powell, MD
• Lenore Powers, LCSW

• All providers in Mount Kisco, NY
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.