Individual provider Active NPI

Nicholas Gregory Iwasko, M.D.

  • Diagnostic Radiology Physician
  • Dallas, TX
National Provider Identifier
1285649863
Registry record updated Nov 10, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
L3347 Issued in TX
Practice address
4420 Cedarbrush Dr
Dallas, TX 75229-2901
Phone
(352) 222-7431
Fax
(972) 542-6915
NPI assigned
Jul 30, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 10, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X L3347 TX Primary

Addresses

Primary practice location

4420 Cedarbrush Dr
Dallas, TX 75229-2901

Mailing address

4420 Cedarbrush Dr
Dallas, TX 75229-2901
Phone (352) 222-7431

Other identifiers 5

IdentifierTypeStateIssuer
43010774455OtherMIMEDICAL LICENSE NUMBER
L3347OtherTXMEDICAL LICENSE NUMBER
ME-0073118OtherFLMEDICAL LICENSE NUMBER
AO68320OtherCAMEDICAL LICENSE NUMBER
35-07-8584-IOtherOHMEDICAL LICENSE NUMBER

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, VA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20050412000789 TX Practitioner - Diagnostic Radiology 2668419516 Reassigns benefits to 4 organizations
I20210308000122 VA Practitioner - Diagnostic Radiology 2668419516 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Miami, LM Miller School of Medicine, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorial MRI and Diagnostic LLCGroup PAC ID 6507859568, 77 clinicians
First Meridian Medical LLCGroup PAC ID 5092766352, 17 clinicians

Practice addresses (Care Compare)

1241 Campbell Rd
Houston, TX 77055-6453
Phone (713) 461-3399

1554 River Birch Run N
Chesapeake, VA 23320-7500
Phone (757) 671-1144

Merit-based Incentive Payment System (MIPS)

Final score
34.03 of 100Reported as group
Quality
22.39
Improvement activities
40

National Provider Directory

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

Practice roles (28 of 29)

OrganizationSpecialtyStatusNew patients
One Step Diagnostic IV LP CurrentSince Jan 1, 2025 Accepting new patients
Monticello Diagnostic Imaging LP Diagnostic Radiology CurrentSince Apr 26, 2024 Accepting new patients
Midtown Medical Imaging - Frisco, LLC CurrentSince May 22, 2026 Accepting new patients
Guilford Radiology LLC Diagnostic Radiology CurrentSince Feb 1, 2021 Accepting new patients
One Step Diagnostic, Inc. CurrentSince Jan 1, 2025 Accepting new patients
First Meridian Medical LLC Diagnostic Radiology CurrentSince Nov 17, 2020 Accepting new patients
Monticello Diagnostic Imaging Cleburne, LP Diagnostic Radiology CurrentSince May 8, 2024 Accepting new patients
One Step Diagnostic XI LP CurrentSince Jan 1, 2025 Accepting new patients
One Step Diagnostic VIII LP CurrentSince Jan 1, 2025 Accepting new patients
Medivest Denton, LP Diagnostic Radiology CurrentSince Apr 29, 2024 Accepting new patients
Southwestern Ultrasound Inc. CurrentSince Mar 1, 2025 Accepting new patients
First Meridian Medical LLC CurrentSince Nov 17, 2020 Accepting new patients
Radiologic Associates of Middletown PC Diagnostic Radiology CurrentSince Feb 1, 2021 Accepting new patients
Memorial MRI and Diagnostic LLC Diagnostic Radiology CurrentSince Jul 1, 2021 Accepting new patients
One Step Diagnostic III, L.P. CurrentSince Jan 1, 2025 Accepting new patients
One Step Diagnostic II, Inc. CurrentSince Jan 1, 2025 Accepting new patients
Miguel Oneto, MD, PA Diagnostic Radiology CurrentSince Mar 24, 2025 Accepting new patients
One Step Diagnostic IX LP CurrentSince Jan 1, 2025 Accepting new patients
Peter F Gray MD PA Past Accepting new patients
Suzanne E Monday MD Past Accepting new patients
Open MRI of Fort Worth, L.C. Past Accepting new patients
Radiology of Indiana P C Diagnostic Radiology Past Accepting new patients
Health Diagnostics of California LLC Diagnostic Radiology Past Accepting new patients
Jack M Thomas MD PLLC Diagnostic Radiology Past Accepting new patients
Frisco Diagnostic Imaging, LLC Past Accepting new patients
Ramic Fort Worth, LLC Past Accepting new patients
Synapse Radiology Associate, P.a. Diagnostic Radiology Past Accepting new patients
Jack M Thomas MD PLLC Past Accepting new patients

Locations

6491 Southwest Blvd
Benbrook, TX 76132
Phone (214) 341-8770

3502 Spid Dr
Corpus Christi, TX 78415
Phone (361) 854-4400

3824 Cedar Springs Rd
Dallas, TX 75219
Phone (469) 634-0050

5501 S McColl Rd
Edinburg, TX 78539
Phone (956) 362-3300

7812 Gateway Blvd E
Ste 120
El Paso, TX 79915
Phone (502) 533-3854

122 W Castellano Dr
El Paso, TX 79912
Phone 91557701002500

1241 Campbell Rd
Houston, TX 77055
Phone (713) 568-6095

1346 Campbell Rd
Houston, TX 77055

11740 Katy Fwy
Ste 1300
Houston, TX 77079
Phone (956) 622-4430

1000 E Expressway 83
Ste 4
La Joya, TX 78560
Phone (956) 585-1688

1360 W Campbell Rd
Ste 122
Richardson, TX 75080
Phone (972) 333-4016

11211 S Highway 6
Sugar Land, TX 77498

1554 River Birch Run N
Chesapeake, VA 23320
Phone (757) 671-1144

596 Lynnhaven Pkwy
Ste 101
Virginia Beach, VA 23452
Phone (757) 671-1144

4668 Pembroke Blvd
Ste 117
Virginia Beach, VA 23455
Phone (757) 671-1144

Networks

  • Freedom Health HMO Network

Organizations & group practices 28

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.

View all 28

NPI Registry JSON

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

{
    "created_epoch": "1154217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1636502400000",
    "number": "1285649863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4420 CEDARBRUSH DR",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752292901",
            "telephone_number": "352-222-7431",
            "fax_number": "972-542-6915"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4420 CEDARBRUSH DR",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752292901",
            "telephone_number": "352-222-7431",
            "fax_number": "972-542-6915"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "IWASKO",
        "first_name": "NICHOLAS",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-30",
        "last_updated": "2021-11-10",
        "certification_date": "2021-10-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "L3347",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NUMBER",
            "identifier": "43010774455",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NUMBER",
            "identifier": "L3347",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NUMBER",
            "identifier": "ME-0073118",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NUMBER",
            "identifier": "AO68320",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE NUMBER",
            "identifier": "35-07-8584-I",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.