William J Mesibov, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

90604 Issued in NY

Practice address

50 Underhill Blvd
Suite 101
Syosset, NY 11791-3418

Phone

(516) 921-2122

Fax

(516) 921-0670

NPI assigned

Oct 3, 2006

Sex

Male

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Optum Medical Care, P.C.

  • Cardiovascular Disease Physician
  • Mount Kisco, NY
  • NPI 1982643003
  Medicare reassignment
• Mesibov and Altman LLP

  • Pediatrics Physician
  • Syosset, NY
  • NPI 1932273455
  NPD (past)
• Mount Kisco Medical Group

  • Hematology (Internal Medicine) Physician
  • Fishkill, NY
  • NPI 1952356362
  NPD (past)

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1649364910",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 UNDERHILL BLVD",
            "address_2": "SUITE 101",
            "city": "SYOSSET",
            "state": "NY",
            "postal_code": "117913418",
            "telephone_number": "516-921-2122",
            "fax_number": "516-921-0670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 UNDERHILL BLVD",
            "address_2": "SUITE 101",
            "city": "SYOSSET",
            "state": "NY",
            "postal_code": "117913418",
            "telephone_number": "516-921-2122",
            "fax_number": "516-921-0670"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESIBOV",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "90604",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mercyfirst
• Mercyfirst
• Sylvia E Merila, LMT
• Deena Eliana Merzel, M.D.
• Mesibov and Altman LLP
• Samantha Messina
• Alyson Metzner, LCSW
• Susan Lynn Mianulli, MS
• Michael S Cohen MD PC
• Joseph Anthony Migliano

• Pediatrics Physician in Syosset, NY
• Providers in Syosset, NY by specialty
• Pediatrics Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.