Quick answers
- Which hospitals does Karl Sillay work at?
- Medicare's official clinician data lists Karl Sillay at 5 hospitals: Kosciusko Community Hospital, Lutheran Hospital of Indiana, Marion General Hospital, North Mississippi Medical Center and Stormont Vail Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karl Sillay see patients?
- Medicare's clinician data lists 3 practice locations, including Topeka, KS and Fort Wayne, IN. Call before your visit to confirm the address.
- What is Karl Sillay's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Karl Sillay accept Medicare assignment?
- Yes. Medicare's clinician data says Karl Sillay 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 Karl Sillay?
- (785) 354-6000, as listed in official Medicare / NPI Registry data.
- What is Karl Sillay's NPI number?
- 1184734030. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karl Sillay works
Medicare's Facility Affiliation Data lists Karl Sillay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kosciusko Community HospitalWarsaw, IN · Acute Care Hospital · CCN 150133
- Lutheran Hospital of IndianaFort Wayne, IN · Acute Care Hospital · CCN 150017
- Marion General HospitalMarion, IN · Acute Care Hospital · CCN 150011
- North Mississippi Medical CenterTupelo, MS · Acute Care Hospital · CCN 250004
- Stormont Vail HospitalTopeka, KS · Acute Care Hospital · CCN 170086
Practice locations
Addresses where Karl Sillay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 SW 10h AveTopeka, KS 66604 (785) 354‑6000
- 7950 W Jefferson Blvd, Lutheran HospitalFort Wayne, IN 46804 (260) 435‑7001
- 901 SW Garfield AveTopeka, KS 66606 (785) 354‑9591
Group practices
Medicare enrollment lists Karl Sillay as a member of these groups (CMS data updated 2026-10-02).
- Cotton-O'neil Clinic Revocable Trust666 clinicians in the group
- Lutheran Medical Group LLC252 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Topeka
Clinicians with the same Medicare primary specialty in Topeka, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184734030 |
| 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