NPIMap

Individual provider Active NPI

Alexander Christian Papa, DO

  • Internal Medicine Physician
  • Buffalo, NY
National Provider Identifier
1538747191
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
336644 Issued in NY
Practice address
462 Grider St
Buffalo, NY 14215-3021
Phone
(716) 898-3941
NPI assigned
Apr 1, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 336644 NY Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

462 Grider St
Buffalo, NY 14215-3021

Mailing address

726 Exchange St Ste 710
Buffalo, NY 14210-1464
Phone (716) 852-4772

Other practice location 1

100 High St
Buffalo, NY 14203-1126
Phone (716) 859-5600

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
I20251114002140 NY Practitioner - Internal MedicinePractitioner - Hospitalist 6608367925 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Philadelphia College of Osteopathic Medicine, 2021
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)

100 High St
Buffalo, NY 14203-1126
Phone (716) 884-3000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Niagara Falls Memorial Medical Center CurrentSince Oct 1, 2025 Accepting new patients
General Physician, PC CurrentSince Oct 27, 2025 Accepting new patients
Niagara Falls Memorial Medical Center Internal Medicine CurrentSince Oct 1, 2025 Accepting new patients
General Physician, PC Internal Medicine CurrentSince Sep 8, 2025 Accepting new patients

Locations

100 High St
Buffalo, NY 14203
Phone (716) 632-3700

726 Exchange St
Ste 710
Buffalo, NY 14210
Phone (716) 343-3016

100 High St
#D1
Buffalo, NY 14203
Phone (716) 422-0010

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

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

621 10th St
North Falls, NY 14301
Phone (716) 278-4000

1540 Maple Rd
Williamsville, NY 14221
Phone (716) 568-3514

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/3c975af8-28ae-4d97-adec-66228015b5a8/

Organizations & group practices 4

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": "1617235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1538747191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "726 EXCHANGE ST STE 710",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142101464",
            "telephone_number": "716-852-4772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "462 GRIDER ST",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142153021",
            "telephone_number": "716-898-3941"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 High St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142031126",
            "country_code": "US",
            "telephone_number": "716-859-5600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAPA",
        "first_name": "ALEXANDER",
        "middle_name": "CHRISTIAN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-01",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "336644",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.