Quick answers
- Which hospitals does William C. Van De Graaf work at?
- Medicare's official clinician data lists William C. Van De Graaf at 3 hospitals: Ascension Seton Medical Center Austin, Ascension Seton Southwest and Dell Seton Medical Center at the University of TX. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Van De Graaf see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is William C. Van De Graaf's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does William C. Van De Graaf accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Van De Graaf accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William C. Van De Graaf?
- (512) 324-1000, as listed in official Medicare / NPI Registry data.
- What is William C. Van De Graaf's NPI number?
- 1790766285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William C. Van De Graaf works
Medicare's Facility Affiliation Data lists William C. Van De Graaf at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
- Ascension Seton SouthwestAustin, TX · Acute Care Hospital · CCN 450865
- Dell Seton Medical Center at the University of TXAustin, TX · Acute Care Hospital · CCN 450124
Practice locations
Addresses where William C. Van De Graaf is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 W 38th StAustin, TX 78705 (512) 324‑1000
Group practices
Medicare enrollment lists William C. Van De Graaf as a member of this group (CMS data updated 2026-10-02).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790766285 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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