DR. JOHN ANDREW WILLIAMSON M.D. NPI 1083732176

NPI Information

  • NPI: 1083732176
  • Provider Name: DR. JOHN ANDREW WILLIAMSON, M.D.
  • Classification: Radiology - 2085R0202X
  • Specialization: Diagnostic Radiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 12554 RIATA VISTA CIR
    AUSTIN, TX
    ZIP 78727
  • Phone: (512) 795-5100

Map and Directions

Get Directions

NPI Details

DR. John Andrew Williamson, M.D. is a diagnostic radiology radiology in Austin, TX with 28 years of experience. The provider is a radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease. DR. John Andrew Williamson, M.D. NPI is 1083732176. The provider is registered as an individual entity type and is a single specialty group.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: DUKE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1998

The provider's business location address is:

12554 RIATA VISTA CIR
AUSTIN, TX
ZIP 78727-431
Phone: (512) 795-5100
Fax: (512) 795-5122

The NPI 1083732176 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)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • X-ray of chest, 2 views (HCPCS:71046)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Review by radiologist of ct guidance for needle placement (HCPCS:77012)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • Ct scan of chest without contrast (HCPCS:71250)
  • Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS:38222)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Ultrasonic guidance for blood vessel access (HCPCS:76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS:77001)
  • Ct scan of chest with contrast (HCPCS:71260)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • X-ray of pelvis, 1-2 views (HCPCS:72170)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Limited ultrasound scan of abdomen (HCPCS:76705)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Insertion of tunneled central venous tube for infusion (5 years or older) (HCPCS:36558)
  • Ultrasound of one leg arteries or artery grafts (HCPCS:93926)
  • Ultrasound of one side of head and neck blood flow (HCPCS:93882)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • Ultrasound of leg arteries or artery grafts (HCPCS:93925)
  • X-ray of knee, 1-2 views (HCPCS:73560)
  • Aspiration of fluid from chest cavity using imaging guidance (HCPCS:32555)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Complete ultrasound scan of abdomen (HCPCS:76700)
  • Limited ultrasound scan behind abdominal cavity (HCPCS:76775)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • Ct scan of abdominal aorta and both leg arteries with contrast (HCPCS:75635)
  • Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS:36556)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • X-ray of forearm, 2 views (HCPCS:73090)
  • Ct scan of pelvis without contrast (HCPCS:72192)
  • Ct scan of chest without contrast (HCPCS:71250)
  • Ultrasonic guidance for needle placement (HCPCS:76942)
  • X-ray of lower leg, 2 views (HCPCS:73590)

The enumeration date for this NPI number is 3/27/2007 and was last updated on 3/15/2018.

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
12085R0202XRadiologyDiagnostic RadiologyN3389TEXASYes

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

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.