Quick answers
- Which hospitals does Jon Willie work at?
- Medicare's official clinician data lists Jon Willie at 3 hospitals: Barnes Jewish Hospital, Dell Seton Med Center at the University of TX and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jon Willie see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Peters, MO and Austin, TX. Call before your visit to confirm the address.
- What is Jon Willie's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Jon Willie accept Medicare assignment?
- Yes. Medicare's clinician data says Jon Willie 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 Jon Willie?
- (363) 916-7140, as listed in official Medicare / NPI Registry data.
- What is Jon Willie's NPI number?
- 1194934034. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jon Willie works
Medicare's Facility Affiliation Data lists Jon Willie at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Dell Seton Med Center at the University of TXAustin, TX · Acute Care Hospital · CCN 450124
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
Practice locations
Addresses where Jon Willie is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Entrance WaySaint Peters, MO 63376 (363) 916‑7140
- 1601 Trinity StAustin, TX 78712 (833) 882‑2737
Group practices
Medicare enrollment lists Jon Willie as a member of these groups (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
- The University of Texas at Austin153 clinicians in the group
- University of Texas at Austin Dell Medical School151 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Saint Peters
Clinicians with the same Medicare primary specialty in Saint Peters, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194934034 |
| 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