NPIMap

Individual provider Active NPI

Ognian A. Pomakov, MD

  • Gastroenterology Physician
  • Williamsville, NY
National Provider Identifier
1366583767
Registry record updated Mar 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
244049 Issued in NY
Practice address
60 Maple Rd Ste 1
Williamsville, NY 14221-2917
Phone
(716) 626-5250
Fax
(716) 332-2218
NPI assigned
Feb 9, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 20, 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 244049 NY Primary

Addresses

Primary practice location

60 Maple Rd Ste 1
Williamsville, NY 14221-2917

Mailing address

60 Maple Rd Ste 1
Williamsville, NY 14221-2917
Phone (716) 626-5250

Other practice location 1

Elm and Carlton St
Buffalo, NY 14263-2917
Phone (716) 845-2300

Other identifiers 2

IdentifierTypeStateIssuer
000529345001OtherNYHEALTH NOW
02897607MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20071112000293 NY Practitioner - GastroenterologyPractitioner - Internal Medicine 8820186794 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gastroenterology Associates LLPGroup PAC ID 8820048085, 28 clinicians
Roswell Park Cancer InstituteGroup PAC ID 3577475110, 487 clinicians

Practice addresses (Care Compare)

60 Maple Rd
Suite 1
Williamsville, NY 14221-2917
Phone (716) 626-5250

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy360
Upper gastrointestinal (GI) endoscopy for acid reflux335

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
244049NYMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Roswell Park Cancer Institute CurrentSince Feb 10, 2025 Accepting new patients
Academic Medicine Services, Inc. CurrentSince Dec 1, 2010 Accepting new patients
Roswell Park Cancer Institute CurrentSince Feb 10, 2025 Accepting new patients
Gastroenterology Associates, LLP Gastroenterology CurrentSince Apr 1, 2013 Accepting new patients
Gastrointestinal Group Gastroenterology PastSince Apr 1, 2013 Accepting new patients

Locations

462 Grider St
Fl 11
Buffalo, NY 14215
Phone (716) 898-4803

Dept 8000
Buffalo, NY 14267

565 Abbott Rd
Buffalo, NY 14220
Phone (716) 826-7000

Elm and Carlton St
Buffalo, NY 14263

6935 Elaine Dr
Niagara Falls, NY 14304
Phone (716) 626-5250

60 Maple Rd
#2
Williamsville, NY 14221
Phone (716) 332-1000

60 Maple Rd
#1
Williamsville, NY 14221
Phone (716) 626-5250

Interoperability endpoints

  • Direct secure messaging: opomakov@gastrowny.medentdirect.com

Organizations & group practices 5

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 10

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": "1170979200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742428800000",
    "number": "1366583767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 MAPLE RD STE 1",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212917",
            "telephone_number": "716-626-5250",
            "fax_number": "716-332-2218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "60 MAPLE RD STE 1",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212917",
            "telephone_number": "716-626-5250",
            "fax_number": "716-332-2218"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Elm and Carlton St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142632917",
            "country_code": "US",
            "telephone_number": "716-845-2300",
            "fax_number": "716-845-2300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POMAKOV",
        "first_name": "OGNIAN",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-09",
        "last_updated": "2025-03-20",
        "certification_date": "2025-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "244049",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH NOW",
            "identifier": "000529345001",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02897607",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamsville, NY

Sources for this page

Verify at the official NPI Registry.