Westchester Gastroentrology Associates, PC

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Legal business name

WESTCHESTER GASTROENTROLOGY ASSOCIATES, PC

Practice address

777 N Broadway
Ste 305
Sleepy Hollow, NY 10591-1000

Phone

(914) 366-6120

Fax

(914) 366-4128

NPI assigned

Sep 5, 2006

Organization subpart

No

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

Authorized official

Name

David Chia, MDNPI 1528177235

Title

Director

Phone

(914) 366-6120

Specialties & licenses 2

Addresses

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• David Thien Shing Chia, MD

  • Gastroenterology Physician
  • Sleepy Hollow, NY
  • NPI 1528177235

  Internal Medicine

  NPD (past) Authorized official
• Barry Elliot Field, M.D.

  • Gastroenterology Physician
  • Sleepy Hollow, NY
  • NPI 1396848800
  NPD (past)

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

{
    "created_epoch": "1157414400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1447352844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 N BROADWAY",
            "address_2": "STE 305",
            "city": "SLEEPY HOLLOW",
            "state": "NY",
            "postal_code": "105911000",
            "telephone_number": "914-366-6120",
            "fax_number": "914-366-4128"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 N BROADWAY",
            "address_2": "STE 305",
            "city": "SLEEPY HOLLOW",
            "state": "NY",
            "postal_code": "105911000",
            "telephone_number": "914-366-6120",
            "fax_number": "914-366-4128"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WESTCHESTER GASTROENTROLOGY ASSOCIATES, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-09-05",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "CHIA",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "914-366-6120",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Xuejun Alice Wang, MD
• Carolyn Wasserheit-Lieblich, MD
• Jay M Weinberger, M.D.
• Joni Weinstock, PHD
• Michael Irving Weitzen, D.O.
• Westchester Hyperbaric Medicine and Wound Care, PC
• Westchester Internal Medicine PC
• Westchester Mental Health Counseling, P.C.
• Westchester OB GYN, P.C.
• Donte Rashawn White, FNP

• Gastroenterology Physician in Sleepy Hollow, NY
• Providers in Sleepy Hollow, NY by specialty
• Gastroenterology 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.