Quick answers
- Which hospitals does Robert S. Mocharnuk work at?
- Medicare's official clinician data lists Robert S. Mocharnuk at 2 hospitals: Memorial Medical Center and St Johns Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert S. Mocharnuk see patients?
- Medicare's clinician data lists 1 practice location in Springfield, IL. Call before your visit to confirm the address.
- What is Robert S. Mocharnuk's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Robert S. Mocharnuk accept Medicare assignment?
- Yes. Medicare's clinician data says Robert S. Mocharnuk 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 Robert S. Mocharnuk?
- (217) 545-8000, as listed in official Medicare / NPI Registry data.
- What is Robert S. Mocharnuk's NPI number?
- 1568499770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert S. Mocharnuk works
Medicare's Facility Affiliation Data lists Robert S. Mocharnuk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · CCN 140148
- St Johns HospitalSpringfield, IL · Acute Care Hospital · CCN 140053
Practice locations
Addresses where Robert S. Mocharnuk is enrolled with Medicare (CMS data updated 2026-10-02).
- 315 W Carpenter StSpringfield, IL 62702 (217) 545‑8000
Group practices
Medicare enrollment lists Robert S. Mocharnuk as a member of this group (CMS data updated 2026-10-02).
- SIU Physicians and Surgeons Inc314 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568499770 |
| 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