Quick answers
- Which hospitals does David Lotsoff work at?
- Medicare's official clinician data lists David Lotsoff at 3 hospitals: Alton Memorial Hospital, Memorial Hospital and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Lotsoff see patients?
- Medicare's clinician data lists 2 practice locations, including Alton, IL and Edwardsville, IL. Call before your visit to confirm the address.
- What is David Lotsoff's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does David Lotsoff accept Medicare assignment?
- Yes. Medicare's clinician data says David Lotsoff 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 David Lotsoff?
- (618) 463-7240, as listed in official Medicare / NPI Registry data.
- What is David Lotsoff's NPI number?
- 1205807328. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Lotsoff works
Medicare's Facility Affiliation Data lists David Lotsoff 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
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where David Lotsoff is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Memorial DrAlton, IL 62002 (618) 463‑7240
- 2122 Troy Rd, Suite 130Edwardsville, IL 62025 (618) 463‑7600
Group practices
Medicare enrollment lists David Lotsoff as a member of this group (CMS data updated 2026-10-02).
- Fairview Heights Medical Group SC444 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205807328 |
| 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