Quick answers
- Does William F. Avery accept Medicare assignment?
- Yes. Medicare's clinician data says William F. Avery accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William F. Avery see?
- In 2024, CMS data shows 671 Original Medicare patients and 2,933 services for William F. Avery. This counts Original Medicare only and measures volume, not quality.
- What is William F. Avery's NPI number?
- 1316035777. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William F. Avery, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 671 |
|---|---|
| Services billed to Medicare | 2,933 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,150 services
- X-ray of chest, 2 views (71046)83 services
- Ct scan of chest without contrast (71250)75 services
- Ct scan of chest with contrast (71260)49 services
- X-ray of hip, 2-3 views (73502)43 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure72%
- Arthritis52%
- Ischemic heart disease33%
- Diabetes25%
- Anxiety25%
Hospitals where William F. Avery works
Medicare's Facility Affiliation Data lists William F. Avery at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450713
Practice locations
Addresses where William F. Avery is enrolled with Medicare (CMS data updated October 2, 2026).
- 1110 N Sarah Dewitt Dr, Gonzales Health SystemGonzales, TX 78629 (830) 672‑7581
- 12554 Riata Vista CirAustin, TX 78727 (512) 795‑5100
- 2237 AppellationNew Braunfels, TX 78132 (281) 742‑0469
- 3801 N Lamar BlvdAustin, TX 78756 (713) 461‑3573
- 901 W Ben White BlvdAustin, TX 78704 (713) 461‑3573
Group practices
Medicare enrollment lists William F. Avery as a member of these groups (CMS data updated October 2, 2026).
- Singleton Associates PA838 clinicians in the group
- Austin Radiological Association127 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Neurologyalso
Other radiologists in Gonzales
Clinicians with the same Medicare primary specialty in Gonzales, TX — not a recommendation.
Other clinicians in Singleton Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316035777 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians