Krzysztof Sygnarowicz, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

189552 Issued in NY

Practice address

311 S Oyster Bay Rd
Syosset, NY 11791-6221

Phone

(516) 713-3211

Fax

(516) 266-6556

NPI assigned

Nov 9, 2006

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• CHS Physician Partners, PC

  • Interventional Cardiology Physician
  • Fresh Meadows, NY
  • NPI 1407089345
  Medicare reassignment NPD
• CHS Physician Partners, P.C

  • Cardiovascular Disease Physician
  • Roslyn, NY
  • NPI 1164585725
  NPD
• CHS Physician Partners, PC

  • Family Medicine Physician
  • Bellmore, NY
  • NPI 1720334527
  NPD

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

{
    "created_epoch": "1163030400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1982775326",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "311 S OYSTER BAY RD",
            "city": "SYOSSET",
            "state": "NY",
            "postal_code": "117916221",
            "telephone_number": "516-713-3211",
            "fax_number": "516-266-6556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "311 S OYSTER BAY RD",
            "city": "SYOSSET",
            "state": "NY",
            "postal_code": "117916221",
            "telephone_number": "516-713-3211",
            "fax_number": "516-266-6556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SYGNAROWICZ",
        "first_name": "KRZYSZTOF",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-09",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "189552",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01390330",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Danison R Suveeharan, OT
• Donna M Swain, RPH
• Emily Swanberg
• Seema Syed, PHARMD, CGP
• Ekaterina Syeda, PHARM. D
• Jolanta Sykora-Sygnarowicz, D.D.S.
• Syosset Central School District
• Syosset Central School District
• Syosset Central SD
• Syosset Chiropractic Associates PC

• Internal Medicine Physician in Syosset, NY
• Providers in Syosset, NY by specialty
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.