Physician Profile
Unclaimed ProfileAbout WILLIS
Based in Austin, TX, James P. Willis, M.D. is listed in the NPI registry under diagnostic radiology. James graduated from University of Wisconsin School of Medicine in 1993. According to Medicare claims data, James cared for 1,793 Medicare patients across 2,909 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (512) 795-5100
- Email not available
Practice Locations
12554 RIATA VISTA CIR
Austin, TX 78727
Procedures Most Often Billed to Medicare
2,909 services · 1,793 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
714 |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
135 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
121 |
| Ct scan of chest without contrast | Imaging | 71250 |
103 |
| X-ray of chest, 2 views | Imaging | 71046 |
94 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
93 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
78 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
50 |
| Ct scan of chest with contrast | Imaging | 71260 |
49 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
47 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other diagnostic radiology specialists in Austin 4
Same specialty, same city.
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Wisconsin School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Willis?
Dr. Willis is a diagnostic radiology in Austin, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Willis's address?
Dr. Willis is listed at 12554 RIATA VISTA CIR, Austin, TX 78727. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Willis?
The number on file is (512) 795-5100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Willis's NPI number?
Dr. Willis's National Provider Identifier is 1255321790. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Willis train?
Dr. Willis attended University of Wisconsin School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Willis been practicing?
Dr. Willis has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Willis perform?
According to Medicare billing data, Dr. Willis performs imaging including x-ray of chest, 1 view and ultrasound scan of head and neck soft tissue; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound of both sides of head and neck blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Willis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willis. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.