Quick answers
- Which hospitals does Venu Rangu work at?
- Medicare's official clinician data lists Venu Rangu at 2 hospitals: St Francis Hospital and St Johns Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Venu Rangu see patients?
- Medicare's clinician data lists 2 practice locations, including Alton, IL and O Fallon, IL. Call before your visit to confirm the address.
- What is Venu Rangu's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Venu Rangu accept Medicare assignment?
- Yes. Medicare's clinician data says Venu Rangu 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 Venu Rangu?
- (618) 465-2571, as listed in official Medicare / NPI Registry data.
- What is Venu Rangu's NPI number?
- 1689819138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Venu Rangu works
Medicare's Facility Affiliation Data lists Venu Rangu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Francis HospitalLitchfield, IL · Critical Access Hospital · CCN 141350
- St Johns HospitalSpringfield, IL · Acute Care Hospital · CCN 140053
Practice locations
Addresses where Venu Rangu is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Saint Anthonys WayAlton, IL 62002 (618) 465‑2571
- 1 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 234‑2120
Group practices
Medicare enrollment lists Venu Rangu as a member of this group (CMS data updated 2026-10-02).
- Cep America-Illinois Hospitalists, LLP196 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689819138 |
| 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