Krystian Siek

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

026844 Issued in NY

Practice address

1 Campus Rd
Staten Island, NY 10301-4479

Phone

(718) 420-4142

NPI assigned

May 4, 2021

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

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

Physician Assistant

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Physician Affiliate Group of New York PCGroup PAC ID 4688098833, 1,222 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Networks

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

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.

• Physician Affiliate Group of New York PC

  • Registered Dietitian
  • New York, NY
  • NPI 1013375526
  Medicare reassignment Care Compare group
• Brookview Medical Associates, PLLC

  • General Practice Physician
  • Bohemia, NY
  • NPI 1871965855
  Medicare reassignment
• Harlem Medical Associates PC

  • General Practice Physician
  • New York, NY
  • NPI 1487957692
  Medicare reassignment

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

{
    "created_epoch": "1620086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1982287215",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "90 BAY 13TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112144504"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CAMPUS RD",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103014479",
            "telephone_number": "718-420-4142"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEK",
        "first_name": "KRYSTIAN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-04",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "026844",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Conrad Joseph Sidoti, REGISTERED PHARMACIS
• Mariez Siefeen-Ghattas, DO
• Deborah Marion Siegel
• Heather Siegel
• Selene Dawn Siegel, M.S., CCC-SLP
• Suzanne M Sierp, L.C.S.W, C.A.S.A.C
• Luz Sierra-Torres
• Darlene Frances Sierra, LMSW
• Arthur W Sigelman, M.D.
• Sigmund Labs LLC

• Physician Assistant in Staten Island, NY
• Providers in Staten Island, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.