Nicholas Edward Sieban, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

099487 Issued in NY

Practice address

2277 Grand Ave
Baldwin, NY 11510-3148

Phone

(516) 377-5400

NPI assigned

May 23, 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: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group
• Safe Shore Therapy LCSW, PLLC

  • Clinical Social Worker
  • Bay Shore, NY
  • NPI 1922965748
  NPD Authorized official

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

{
    "created_epoch": "1621728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1750956728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "244 E MAIN ST STE 119",
            "city": "EAST ISLIP",
            "state": "NY",
            "postal_code": "117302712",
            "telephone_number": "516-587-3136"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2277 GRAND AVE",
            "city": "BALDWIN",
            "state": "NY",
            "postal_code": "115103148",
            "telephone_number": "516-377-5400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEBAN",
        "first_name": "NICHOLAS",
        "middle_name": "EDWARD",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-23",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "099487",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelly Ann Sheehan-Combest, PT
• Diane Shields, RN
• Meghan Shiels, MS, OTR/L
• Eric Shoenfeld, M.D.
• Marianna Shooshani
• Mitza Simeon
• Bruce Simmons, D.P.M.
• Fern Debra Simon, LCSW-R
• Matthew Simon, D.D.S.
• Kristin Simone

• Clinical Social Worker in Baldwin, NY
• Providers in Baldwin, NY by specialty
• Clinical Social Worker in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.