NPIMap

Individual provider Active NPI

Mary Margaret Oneil, MD

  • Rheumatology Physician
  • Cheektowaga, NY
National Provider Identifier
1598790818
Registry record updated Oct 11, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
188049-1 Issued in NY
Practice address
2355 Union Rd Ste 100
Cheektowaga, NY 14227-2234
Phone
(716) 898-0755
Fax
(716) 898-0775
NPI assigned
Jul 12, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 11, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 188049-1 NY Primary

Addresses

Primary practice location

2355 Union Rd Ste 100
Cheektowaga, NY 14227-2234

Mailing address

2355 Union Rd Ste 100
Cheektowaga, NY 14227-2234
Phone (716) 898-0755

Other identifiers 1

IdentifierTypeStateIssuer
01316201MedicaidNY

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
I20100803000937 NY Practitioner - RheumatologyPractitioner - Internal Medicine 9537292131 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Saint Louis University School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Rheumatology Wellness Care of Wny PLLCGroup PAC ID 4688978471, 4 clinicians

Practice addresses (Care Compare)

2355 Union Rd
Suite 100
Cheektowaga, NY 14227-2234
Phone (716) 898-0755

2507 Harlem Rd
Cheektowaga, NY 14225-4500
Phone (716) 893-4797

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
188049-1NYMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dia Invision Health CurrentSince Jan 1, 2026 Accepting new patients
Rheumatology Wellness Care of Wny, PLLC CurrentSince Dec 1, 2015 Accepting new patients

Locations

2507 Harlem Rd
Cheektowaga, NY 14225
Phone (716) 893-0633

2355 Union Rd
Ste 100
Cheektowaga, NY 14227
Phone (716) 671-8073

20 Losson Rd
Ste 100
Cheektowaga, NY 14227
Phone (716) 898-0755

400 International Dr
Williamsville, NY 14221
Phone (716) 631-1516

Interoperability endpoints

  • Direct secure messaging: mmoneil@rheumatologywellnesscareofwny.medentdirect.com

Organizations & group practices 3

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 15

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

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1665446400000",
    "number": "1598790818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2355 UNION RD STE 100",
            "city": "CHEEKTOWAGA",
            "state": "NY",
            "postal_code": "142272234",
            "telephone_number": "716-898-0755",
            "fax_number": "716-898-0775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2355 UNION RD STE 100",
            "city": "CHEEKTOWAGA",
            "state": "NY",
            "postal_code": "142272234",
            "telephone_number": "716-898-0755",
            "fax_number": "716-898-0775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONEIL",
        "first_name": "MARY",
        "middle_name": "MARGARET",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-12",
        "last_updated": "2022-10-11",
        "certification_date": "2022-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NY",
            "license": "188049-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01316201",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cheektowaga, NY

Sources for this page

Verify at the official NPI Registry.