Quick answers
- Where does Mark K. Keohane see patients?
- Medicare's clinician data lists 1 practice location in Hayti, MO. Call before your visit to confirm the address.
- What is Mark K. Keohane's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark K. Keohane accept Medicare assignment?
- Yes. Medicare's clinician data says Mark K. Keohane 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 Mark K. Keohane?
- (573) 717-1072, as listed in official Medicare / NPI Registry data.
- What is Mark K. Keohane's NPI number?
- 1710980750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark K. Keohane is enrolled with Medicare (CMS data updated 2026-10-02).
- 223 S 3rd StHayti, MO 63851 (573) 717‑1072
Group practices
Medicare enrollment lists Mark K. Keohane as a member of this group (CMS data updated 2026-10-02).
- McPherson Medical and Diagnostic LLC93 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710980750 |
| 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
- 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