Individual provider Active NPI

Randy Cheung, MD

  • Gastroenterology Physician
  • Williamsville, NY
National Provider Identifier
1720540883
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
317837 Issued in NY
Practice address
111 N Maplemere Rd Ste 200
Williamsville, NY 14221-3182
Phone
(716) 626-2644
Fax
(716) 626-2660
NPI assigned
Apr 5, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 317837 NY Primary

Addresses

Primary practice location

111 N Maplemere Rd Ste 200
Williamsville, NY 14221-3182

Mailing address

PO Box 8000
Dept 301
Buffalo, NY 14267-0002
Phone (716) 852-4772

Other practice location 1

1091 Main St Ste 301
Buffalo, NY 14209-2398
Phone (716) 626-2644

Other practice location 2

6009 S Transit Rd
Lockport, NY 14094-6353
Phone (716) 626-2644

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20260130002744 NY Practitioner - GastroenterologyPractitioner - Internal Medicine 8224365515 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
State University of New York at Buffalo School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
General Physician PCGroup PAC ID 9537213079, 488 clinicians

Practice addresses (Care Compare)

111 N Maplemere Rd
Suite 150
Williamsville, NY 14221-3181
Phone (716) 636-9004

Hospital & facility affiliations

  • Kaleida Health Hospital, Buffalo, NY, CCN 330005

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
317837NYMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
General Physician, PC CurrentSince Feb 9, 2026 Accepting new patients

Locations

1091 Main St
Ste 301
Buffalo, NY 14209
Phone (716) 248-1420

1091 Main St
Ste 301GP
Buffalo, NY 14209

462 Grider St
Cheektowaga, NY 14215
Phone (716) 831-8612

3898 Vineyard Dr
Dunkirk, NY 14048
Phone (716) 363-1515

6009 S Transit Rd
Ste 400
Lockport, NY 14094
Phone (716) 433-8751

111 N Maplemere Rd
Ste 200
Williamsville, NY 14221
Phone (716) 626-2644

111 N Maplemere Rd
Ste 150
Williamsville, NY 14221
Phone (716) 626-2644

Organizations & group practices 1

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1554422400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1720540883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8000",
            "address_2": "DEPT 301",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142670002",
            "telephone_number": "716-852-4772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 N MAPLEMERE RD STE 200",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142213182",
            "telephone_number": "716-626-2644",
            "fax_number": "716-626-2660"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1091 Main St Ste 301",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142092398",
            "country_code": "US",
            "telephone_number": "716-626-2644",
            "fax_number": "716-626-2660",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6009 S Transit Rd",
            "address_purpose": "LOCATION",
            "city": "Lockport",
            "state": "NY",
            "postal_code": "140946353",
            "country_code": "US",
            "telephone_number": "716-626-2644",
            "fax_number": "716-626-2660",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEUNG",
        "first_name": "RANDY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-05",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "317837",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamsville, NY

Sources for this page

Verify at the official NPI Registry.