William James Gross, M.D.

Primary specialty

Addiction Psychiatry PhysicianTaxonomy code 2084P0802X

License

169896-1 Issued in NY

Practice address

591 Kingston Ave
Kings County Hosp.
Brooklyn, NY 11203-1707

Phone

(718) 245-4871

Fax

(718) 245-4890

NPI assigned

Mar 29, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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.

• New York City Health and Hospitals Corporation

  dba Diabetes Prevention Program Hub

  • Health Educator
  • New York, NY
  • NPI 1235978370
  NPD (past)

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

{
    "created_epoch": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1982665907",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 LINCOLN PL",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112173746",
            "telephone_number": "718-638-6958"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "591 KINGSTON AVE",
            "address_2": "KINGS COUNTY HOSP.",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112031707",
            "telephone_number": "718-245-4871",
            "fax_number": "718-245-4890"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSS",
        "first_name": "WILLIAM",
        "middle_name": "JAMES",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-29",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084A0401X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": "NY",
            "license": "169896-1",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "169896-1",
            "primary": false
        },
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "NY",
            "license": "169896-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00246117",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INSURANCE PROVIDER",
            "identifier": "186BNI",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sarah Gross
• Sarah J. Gross, MD, MPH
• Shmuel Gross
• Sondra Gross, LCSW
• Thomas Gross
• Eric Grossarth
• Esther Grossbard, AUDIOLOGIST
• Chaya Grossbaum, M.A.ED
• Chaya Moussia Grossbaum
• David Grossberg, LMSW

• Addiction Psychiatry Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Addiction Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.