Individual provider Active NPI

Nancy Suzanne Onisko, D.O.

  • Emergency Medicine Physician
  • Dallas, TX
National Provider Identifier
1104025337
Registry record updated Mar 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
P7685 Issued in TX
Practice address
5323 Harry Hines Blvd
MC 8890
Dallas, TX 75390-8890
Phone
(623) 261-8154
NPI assigned
Jul 17, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 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 P7685 TX Primary

Addresses

Primary practice location

5323 Harry Hines Blvd
MC 8890
Dallas, TX 75390-8890

Mailing address

5323 Harry Hines Blvd
MC 8890
Dallas, TX 75390-8890
Phone (623) 261-8154

Other identifiers 1

IdentifierTypeStateIssuer
1104025337MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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
I20140212001140 TX Practitioner - Emergency Medicine 1759431000 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Arizona College of Osteopathic Medicine Mid Western University, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Texas Southwestern Medical Center at DallasGroup PAC ID 0648188250, 3,156 clinicians

Practice addresses (Care Compare)

5200 Harry Hines Blvd
Dallas, TX 75235-7709
Phone (214) 590-8000

5201 Harry Hines Blvd
Dallas, TX 75235-7708
Phone (214) 590-5582

5201 Harry Hines VLVD
Dallas, TX 75235-7708
Phone (214) 590-5582

Hospital & facility affiliations

  • Parkland Health & Hospital System Hospital, Dallas, TX, CCN 450015

Merit-based Incentive Payment System (MIPS)

Final score
82.87 of 100Reported as group
Quality
70.15
Promoting interoperability
100
Improvement activities
40
Cost
72.75

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
P7685TXMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Texas Southwestern Medical Center at Dallas CurrentSince Nov 16, 2013 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Current Accepting new patients
University of Texas Southwestern Medical Center at Dallas Emergency Medicine CurrentSince Nov 16, 2013 Accepting new patients
Emergency Physicians Medical Group, Inc Emergency Medicine Past Accepting new patients
Grossmont Emergency Medical Group Emergency Medicine Past Accepting new patients
Emergency Medicine Physician Partners of Rancho Mirage, Inc Emergency Medicine Past Accepting new patients
University of Texas Southwestern Medical Center at Dallas Past Accepting new patients

Locations

5201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 590-1396

3000 N Interstate 35
Denton, TX 76201
Phone (469) 303-3591

Organizations & group practices 7

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 45

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

View all 45

NPI Registry JSON

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

{
    "created_epoch": "1184630400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773705600000",
    "number": "1104025337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5323 HARRY HINES BLVD",
            "address_2": "MC 8890",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753908890",
            "telephone_number": "623-261-8154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5323 HARRY HINES BLVD",
            "address_2": "MC 8890",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753908890",
            "telephone_number": "623-261-8154"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONISKO",
        "first_name": "NANCY",
        "middle_name": "SUZANNE",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-07-17",
        "last_updated": "2026-03-17",
        "certification_date": "2026-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "P7685",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1104025337",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.