Individual provider Active NPI

Sierra Ashley Hajdu, MD

  • Emergency Medicine Physician
  • Cincinnati, OH
National Provider Identifier
1891435335
Registry record updated Jun 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
35.152454 Issued in OH
Practice address
3188 Bellevue Ave
Cincinnati, OH 45219-2369
Phone
(513) 558-5281
NPI assigned
Mar 31, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 35.152454 OH Primary

Addresses

Primary practice location

3188 Bellevue Ave
Cincinnati, OH 45219-2369

Mailing address

3200 Burnet Ave
Cincinnati, OH 45229-3019

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
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
I20250619000112 OH Practitioner - Emergency Medicine 8921489683 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Qualified Emergency Specialists Inc Emergency Medicine CurrentSince Jun 1, 2025 Accepting new patients

Locations

10500 Montgomery Rd
Montgomery, OH 45242
Phone (513) 557-3206

110 N Poplar St
Oxford, OH 45056
Phone (513) 523-2111

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.

NPI Registry JSON

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

{
    "created_epoch": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1891435335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 BURNET AVE",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452293019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3188 BELLEVUE AVE",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452192369",
            "telephone_number": "513-558-5281"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAJDU",
        "first_name": "SIERRA",
        "middle_name": "ASHLEY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-31",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "35.152454",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cincinnati, OH

Sources for this page

Verify at the official NPI Registry.