Quick answers
- Which hospitals does William Bartek work at?
- Medicare's official clinician data lists William Bartek at 5 hospitals: Ascension Seton Hays, North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Bartek see patients?
- Medicare's clinician data lists 3 practice locations, including Austin, TX and Round Rock, TX. Call before your visit to confirm the address.
- What is William Bartek's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
- Does William Bartek accept Medicare assignment?
- Yes. Medicare's clinician data says William Bartek 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.
- Does William Bartek offer telehealth?
- Medicare's clinician data says William Bartek offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Bartek?
- (512) 901-1000, as listed in official Medicare / NPI Registry data.
- What is William Bartek's NPI number?
- 1598722522. 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 Bartek works
Medicare's Facility Affiliation Data lists William Bartek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton HaysKyle, TX · Acute Care Hospital · CCN 670056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where William Bartek is enrolled with Medicare (CMS data updated 2026-10-02).
- 12221 N Mopac Expy, St. David'S North Austin Medical CeAustin, TX 78758 (512) 901‑1000
- 2400 Round Rock AveRound Rock, TX 78681 (512) 341‑1000
- 3600 W Parmer Ln, Suite 106Austin, TX 78727 (512) 977‑0123
Group practices
Medicare enrollment lists William Bartek as a member of these groups (CMS data updated 2026-10-02).
- Cogent Healthcare of Texas PA113 clinicians in the group
- Austin Pulmonary Consultants PA13 clinicians in the group
Specialties
Other pulmonologists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598722522 |
| 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