Quick answers
- Which hospitals does Mark Schlangel work at?
- Medicare's official clinician data lists Mark Schlangel at 4 hospitals: Barnes-Jewish St Peters Hospital, Conemaugh Memorial Medical Center, Palmetto General Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Schlangel see patients?
- Medicare's clinician data lists 8 practice locations, including Alton, IL, Saint Peters, MO and Roaring Spring, PA. Call before your visit to confirm the address.
- What is Mark Schlangel's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mark Schlangel accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Schlangel 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 Mark Schlangel?
- (618) 463-7311, as listed in official Medicare / NPI Registry data.
- What is Mark Schlangel's NPI number?
- 1427375583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Schlangel works
Medicare's Facility Affiliation Data lists Mark Schlangel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Conemaugh Memorial Medical CenterJohnstown, PA · Acute Care Hospital · CCN 390110
- Palmetto General HospitalHialeah, FL · Acute Care Hospital · CCN 100187
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Mark Schlangel is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1 Memorial DrAlton, IL 62002 (618) 463‑7311
- 10 Hospital DrSaint Peters, MO 63376 (636) 916‑9000
- 100 Entrance WaySaint Peters, MO 63376 (314) 949‑0000
- 105 Nason DrRoaring Spring, PA 16673 (814) 224‑2141
- 2001 W 66th StHialeah, FL 33016 (305) 823‑5000
Group practices
Medicare enrollment lists Mark Schlangel as a member of these groups (CMS data updated 2026-10-02).
- Midwest Anesthesia Providers SC182 clinicians in the group
- Grove City Anesthesia and Pain Management, PLLC59 clinicians in the group
- Nova Medical Services - Anesthesiology Division LLC59 clinicians in the group
- Complete Medical Management LLC40 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427375583 |
| 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