Quick answers
- Which hospitals does Stephen Ko work at?
- Medicare's official clinician data lists Stephen Ko at 3 hospitals: SSM Health St. Mary's Hospital - Jefferson City, Stone County Medical Center and White River Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen Ko see patients?
- Medicare's clinician data lists 2 practice locations, including Jefferson City, MO and Batesville, AR. Call before your visit to confirm the address.
- What is Stephen Ko's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Stephen Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Ko 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 Stephen Ko?
- (573) 635-2282, as listed in official Medicare / NPI Registry data.
- What is Stephen Ko's NPI number?
- 1134183304. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen Ko works
Medicare's Facility Affiliation Data lists Stephen Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health St. Mary's Hospital - Jefferson CityJefferson City, MO · Acute Care Hospital · CCN 260011
- Stone County Medical CenterMountain View, AR · Critical Access Hospital · CCN 041310
- White River Medical CenterBatesville, AR · Acute Care Hospital · CCN 040119
Practice locations
Addresses where Stephen Ko is enrolled with Medicare (CMS data updated 2026-10-02).
- 1241 W Stadium Blvd, SSM Health Cancer CenterJefferson City, MO 65109 (573) 635‑2282
- 525 Virginia DrBatesville, AR 72501 (870) 262‑6200
Group practices
Medicare enrollment lists Stephen Ko as a member of these groups (CMS data updated 2026-10-02).
- White River Health System, Inc.186 clinicians in the group
- SSM Regional Health Services166 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas At Austin Dell Medical School |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134183304 |
| 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