Quick answers
- Which hospitals does Michael S. Klein work at?
- Medicare's official clinician data lists Michael S. Klein at 5 hospitals: Alton Memorial Hospital, Barnes-Jewish West County Hospital, Jersey Community Hospital, Missouri Baptist Medical Center and OSF Saint Anthony's Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Klein see patients?
- Medicare's clinician data lists 1 practice location in Alton, IL. Call before your visit to confirm the address.
- What is Michael S. Klein's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Michael S. Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Klein 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 Michael S. Klein offer telehealth?
- Medicare's clinician data says Michael S. Klein offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael S. Klein?
- (618) 462-2226, as listed in official Medicare / NPI Registry data.
- What is Michael S. Klein's NPI number?
- 1790834737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Klein works
Medicare's Facility Affiliation Data lists Michael S. Klein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · CCN 140002
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Jersey Community HospitalJerseyville, IL · Acute Care Hospital · CCN 140059
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · CCN 140052
Practice locations
Addresses where Michael S. Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 Saint Anthonys Way, Suite 300Alton, IL 62002 (618) 462‑2226
Group practices
Medicare enrollment lists Michael S. Klein as a member of this group (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790834737 |
| 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