STEVEN ANTHONY SIWIK MD NPI 1821069089

NPI Information

  • NPI: 1821069089
  • Provider Name: STEVEN ANTHONY SIWIK, MD
  • Classification: Radiology - 2085R0202X
  • Specialization: Diagnostic Radiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 677 N WILMOT RD
    TUCSON, AZ
    ZIP 85711
  • Phone: (520) 795-2889

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NPI Details

Steven Anthony Siwik, MD is a diagnostic radiology radiology in Tucson, AZ with 33 years of experience. The provider is a radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease. Steven Anthony Siwik, MD NPI is 1821069089. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduation Year:1993

The provider's business location address is:

677 N WILMOT RD
TUCSON, AZ
ZIP 85711-701
Phone: (520) 795-2889
Fax: (520) 795-6321

The NPI 1821069089 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS:Q9967)
  • X-ray of chest, 1 view (HCPCS:71045)
  • Ultrasound scan of head and neck soft tissue (HCPCS:76536)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Ct scan of chest without contrast (HCPCS:71250)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Ct scan of chest without contrast (HCPCS:71250)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • Ultrasound scan of abdominal aorta (HCPCS:76706)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • 3d radiographic procedure with computerized image postprocessing (HCPCS:76377)
  • Ct scan of chest with contrast (HCPCS:71260)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Review by radiologist of ct guidance for needle placement (HCPCS:77012)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Ct scan of chest with contrast (HCPCS:71260)
  • Complete ultrasound scan of abdomen (HCPCS:76700)
  • X-ray of lower and sacral spine, minimum of 4 views (HCPCS:72110)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • Complete ultrasound of abdomen and pelvis artery and vein blood flow (HCPCS:93975)
  • Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Review by radiologist of ct guidance for needle placement (HCPCS:77012)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS:77001)
  • Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS:77001)
  • Low dose ct scan of chest for lung cancer screening (HCPCS:71271)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin (HCPCS:32408)
  • Insertion of central venous tube with port (5 years or older) (HCPCS:36561)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • Ultrasound scan of head and neck soft tissue (HCPCS:76536)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Ultrasound scan of scrotum (HCPCS:76870)
  • X-ray of upper spine, 4-5 views (HCPCS:72050)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS:38222)
  • X-ray of upper spine, 2-3 views (HCPCS:72040)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • Ultrasound of aorta, vena cava, groin vessels or bypass grafts (HCPCS:93979)
  • Limited ultrasound scan of abdomen (HCPCS:76705)
  • X-ray of knee, 3 views (HCPCS:73562)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • X-ray lower and sacral spine, minimum of 6 views (HCPCS:72114)
  • X-ray of middle spine, 3 views (HCPCS:72072)
  • Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (HCPCS:99153)

The enumeration date for this NPI number is 1/27/2006 and was last updated on 2/27/2013.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12085R0204XRadiologyVascular & Interventional Radiology22916ARIZONANo
22085U0001XRadiologyDiagnostic Ultrasound22916ARIZONANo
32085B0100XRadiologyBody Imaging22916ARIZONANo
42085R0202XRadiologyDiagnostic Radiology22916ARIZONAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1373952MEDICAIDARIZONA
2005472OTHERARIZONAGROUP MEDICAID ID
31841261989OTHERARIZONAGROUP NPI
4300086890OTHERARIZONAMEDICARE RAILROAD
5ZWCBBMOTHERARIZONAGROUP MEDICARE ID
6CS7943OTHERARIZONAGROUP MEDICARE RAILROAD ID & PTAN
7Z21977MEDICARE PINARIZONA
81821069089OTHERARIZONAPHYSCIAN INDIVIDUAL NPI
9G64842MEDICARE UPIN

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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