Soma Deall-Williams, DO

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

342526 Issued in NY

Practice address

1175 Montauk Hwy Ste 4
West Islip, NY 11795-4939

Phone

(631) 422-9600

NPI assigned

Apr 12, 2023

Last updated

Jul 7, 2026By the provider in NPPES

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Rajesh Mariwalla, MD PC

  • Pediatrics Physician
  • West Islip, NY
  • NPI 1457741035
  NPD (past)

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

{
    "created_epoch": "1681257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1760178834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1175 MONTAUK HWY STE 4",
            "city": "WEST ISLIP",
            "state": "NY",
            "postal_code": "117954939",
            "telephone_number": "631-422-9600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1175 MONTAUK HWY STE 4",
            "city": "WEST ISLIP",
            "state": "NY",
            "postal_code": "117954939",
            "telephone_number": "631-422-9600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEALL-WILLIAMS",
        "first_name": "SOMA",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-12",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "342526",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Theresa Solaski Daus, OD
• David J Weissberg, MD, PC
• Jennifer Davis, NP
• Robert Regis Dawson, M.D.
• Susan Day, PA
• Samantha Dean
• Eric Decena, M.D.
• Richard Declue, PA
• Mary Ann Defalco, NP
• Philip D Degaetano, D.O.

• Pediatrics Physician in West Islip, NY
• Providers in West Islip, 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 7, 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.