Active NPI
Siegfried Stefano Hirczy, MD
- Neurology Physician
- Dallas, TX
National Provider Identifier
1386141240
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- V5546
- Practice address
- 5303 Harry Hines Blvd
Dallas, TX 75390-0001 - Phone
- (214) 645-8800
- NPI assigned
- Apr 9, 2018
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | V5546 | TX | Primary |
Addresses
Primary practice location
5303 Harry Hines Blvd
Dallas, TX 75390-0001
Mailing address
5303 Harry Hines Blvd
Dallas, TX 75390-7208
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Neurology
- Education
- University of Texas Southwestern Medical School at Dallas, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
5303 Harry Hines Blvd
Dallas, TX 75390-7208
Phone (214) 468-6579
Hospital & facility affiliations
- Ut of Texas Southwestern University Hospital - William P. Clements Jr.
- Parkland Health & Hospital System
- Baylor Scott & White Institute for Rehabilitation
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.85 of 100
- Quality
- 74.6
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| University of Texas Southwestern Medical Center at Dallas | Neurology | Current | Accepting new patients |
| University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| The Association of University Physicians | Current | Accepting new patients |
Locations
5201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 590-1396
5184 Tex Oak Ave
Dallas, TX 75235
Phone (214) 590-6120
5323 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390
5303 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390
Phone (214) 645-2300
1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333
Interoperability endpoints
- shirczy47374@direct.phhs.org
- shirczy223624@direct.seattlechildrens.org
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.
-
- Anesthesiology Physician
- Dallas, TX
- NPI 1942270566
-
- Anesthesiology Physician
- Seattle, WA
- NPI 1023041159
-
- Clinical Medical Laboratory
- Dallas, TX
- NPI 1396832713
-
- Neurology Physician
- Dallas, TX
- NPI 1780654301
Hospital & facility affiliations 47
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Ambulatory Family Planning Facility
- Dallas, TX
- NPI 1144397324
Hospital
-
- Sleep Disorder Diagnostic Clinic/Center
- Dallas, TX
- NPI 1164042784
Hospital
-
- Internal Medicine Physician
- Grand Prairie, TX
- NPI 1194090001
Hospital
-
- Ambulatory Family Planning Facility
- Dallas, TX
- NPI 1235206418
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1523232000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750204800000",
"number": "1386141240",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5303 HARRY HINES BLVD",
"city": "DALLAS",
"state": "TX",
"postal_code": "753907208"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5303 HARRY HINES BLVD",
"city": "DALLAS",
"state": "TX",
"postal_code": "753900001",
"telephone_number": "214-645-8800"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HIRCZY",
"first_name": "SIEGFRIED",
"middle_name": "STEFANO",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-09",
"last_updated": "2025-06-18",
"certification_date": "2025-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "TX",
"license": "V5546",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Dallas, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.