Quick answers
- Which hospitals does Lester A. Crancer Iii work at?
- Medicare's official clinician data lists Lester A. Crancer Iii at 2 hospitals: Alton Memorial Hospital and Jersey Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lester A. Crancer Iii see patients?
- Medicare's clinician data lists 1 practice location in Jerseyville, IL. Call before your visit to confirm the address.
- What is Lester A. Crancer Iii's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lester A. Crancer Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Lester A. Crancer Iii 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 Lester A. Crancer Iii?
- (618) 498-2101, as listed in official Medicare / NPI Registry data.
- What is Lester A. Crancer Iii's NPI number?
- 1285682864. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lester A. Crancer Iii works
Medicare's Facility Affiliation Data lists Lester A. Crancer Iii 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
- Jersey Community HospitalJerseyville, IL · Acute Care Hospital · CCN 140059
Practice locations
Addresses where Lester A. Crancer Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 390 Maple Summit RdJerseyville, IL 62052 (618) 498‑2101
Group practices
Medicare enrollment lists Lester A. Crancer Iii as a member of this group (CMS data updated 2026-10-02).
- Jersey Community Hospital61 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Kansas City University Of Med & Biosciences, College Of Osteo Med |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285682864 |
| 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