William G Bast, D.M.D.

Primary specialty

Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X

License

045376 Issued in NY

Practice address

280 N Central Ave Ste 307
Hartsdale, NY 10530-1839

Phone

(914) 997-7688

NPI assigned

Mar 8, 2007

Last updated

May 18, 2026By the provider in NPPES

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Nov 15, 2019 through Nov 15, 2027

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northeast Implant & Oral Surgery, PC

  • Oral & Maxillofacial Surgery (D.M.D.)
  • Danbury, CT
  • NPI 1215152574
  NPD

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

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779062400000",
    "number": "1063543650",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27 HOSPITAL AVE STE 306",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068105961",
            "telephone_number": "203-628-4450",
            "fax_number": "203-628-2350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "280 N CENTRAL AVE STE 307",
            "city": "HARTSDALE",
            "state": "NY",
            "postal_code": "105301839",
            "telephone_number": "914-997-7688"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAST",
        "first_name": "WILLIAM",
        "middle_name": "G",
        "credential": "D.M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-08",
        "last_updated": "2026-05-18",
        "certification_date": "2026-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "NY",
            "license": "045376",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ken Bambace, MST, MA
• Hirokazu Ban, MD
• Kaoon Ban, PSYCHOLOGY EXTERN
• Rosalind Bank, L.C.S.W
• Kenneth J. Barish, PH.D.
• Nancy Battimelli
• Douglas Beards, M. D.
• Aida Paola Bekker, LCSW
• Francesco Bello
• Froma Benerofe, LCSW

• Oral and Maxillofacial Surgery (Dentist) in Hartsdale, NY
• Providers in Hartsdale, NY by specialty
• Oral and Maxillofacial Surgery (Dentist) in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 18, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.