Quick answers
- Which hospitals does Stephen J. Johans work at?
- Medicare's official clinician data lists Stephen J. Johans at 5 hospitals: HSHS St Elizabeth's Hospital, Missouri Baptist Medical Center, St Anthonys Memorial Hospital, St Josephs Hospital and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen J. Johans see patients?
- Medicare's clinician data lists 5 practice locations, including Saint Peters, MO, Saint Louis, MO and O Fallon, IL. Call before your visit to confirm the address.
- What is Stephen J. Johans's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Stephen J. Johans accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen J. Johans 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 Stephen J. Johans?
- (636) 939-9202, as listed in official Medicare / NPI Registry data.
- What is Stephen J. Johans's NPI number?
- 1013273580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen J. Johans works
Medicare's Facility Affiliation Data lists Stephen J. Johans at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · CCN 140187
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Anthonys Memorial HospitalEffingham, IL · Acute Care Hospital · CCN 140032
- St Josephs HospitalBreese, IL · Acute Care Hospital · CCN 140145
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Stephen J. Johans is enrolled with Medicare (CMS data updated 2026-10-02).
- 112 Piper Hill Dr, Suite 12Saint Peters, MO 63376 (636) 939‑9202
- 12855 N 40 Dr, Suite 375Saint Louis, MO 63141
- 3 Saint Elizabeth Blvd, Suite 3900O Fallon, IL 62269 (314) 806‑1770
- 6812 State Route 162 200Maryville, IL 62062 (618) 288‑0900
- 6828 State Route 162, Suite AMaryville, IL 62062 (618) 391‑5380
Group practices
Medicare enrollment lists Stephen J. Johans as a member of these groups (CMS data updated 2026-10-02).
- Anderson Medical Group LLC136 clinicians in the group
- Urology of St Louis Inc94 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 Missouri, Columbia School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013273580 |
| 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