Quick answers
- Which hospitals does John W. Rinker Sr. work at?
- Medicare's official clinician data lists John W. Rinker Sr. at 3 hospitals: OSF Saint Elizabeth MDL Center, Saint James Hospital and St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Rinker Sr. see patients?
- Medicare's clinician data lists 1 practice location in Pontiac, IL. Call before your visit to confirm the address.
- What is John W. Rinker Sr.'s specialty?
- Medicare lists Family Practice as the primary specialty, and also Osteopathic Manipulative Medicine.
- Does John W. Rinker Sr. accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Rinker Sr. 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 John W. Rinker Sr. offer telehealth?
- Medicare's clinician data says John W. Rinker Sr. offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John W. Rinker Sr.?
- (815) 842-3381, as listed in official Medicare / NPI Registry data.
- What is John W. Rinker Sr.'s NPI number?
- 1255449393. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John W. Rinker Sr. works
Medicare's Facility Affiliation Data lists John W. Rinker Sr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Saint Elizabeth MDL CenterPeru, IL · Acute Care Hospital · CCN 140110
- Saint James HospitalPontiac, IL · Acute Care Hospital · CCN 140161
- St Joseph Medical CenterBloomington, IL · Acute Care Hospital · CCN 140162
Practice locations
Addresses where John W. Rinker Sr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1515 W Reynolds StPontiac, IL 61764 (815) 842‑3381
Specialties
Other family doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255449393 |
| 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