Quick answers
- Which hospitals does Steven M. Mackay work at?
- Medicare's official clinician data lists Steven M. Mackay at 5 hospitals: Boone Hospital Center, Bothwell Regional Health Center, Fisher-Titus Hospital, Macon County Samaritan Memorial Hospital and Moberly Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven M. Mackay see patients?
- Medicare's clinician data lists 3 practice locations, including Columbia, MO, Norwalk, OH and Sedalia, MO. Call before your visit to confirm the address.
- What is Steven M. Mackay's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Steven M. Mackay accept Medicare assignment?
- Yes. Medicare's clinician data says Steven M. Mackay 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 Steven M. Mackay?
- (573) 256-7700, as listed in official Medicare / NPI Registry data.
- What is Steven M. Mackay's NPI number?
- 1942254834. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven M. Mackay works
Medicare's Facility Affiliation Data lists Steven M. Mackay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Boone Hospital CenterColumbia, MO · Acute Care Hospital · CCN 260068
- Bothwell Regional Health CenterSedalia, MO · Acute Care Hospital · CCN 260009
- Fisher-Titus HospitalNorwalk, OH · Acute Care Hospital · CCN 360065
- Macon County Samaritan Memorial HospitalMacon, MO · Critical Access Hospital · CCN 261313
- Moberly Regional Medical CenterMoberly, MO · Acute Care Hospital · CCN 260074
Practice locations
Addresses where Steven M. Mackay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1605 E Broadway, Suite 300Columbia, MO 65201 (573) 256‑7700
- 272 Benedict AveNorwalk, OH 44857 (419) 668‑8101
- 3700 W 10th StSedalia, MO 65301 (660) 827‑1771
Group practices
Medicare enrollment lists Steven M. Mackay as a member of these groups (CMS data updated 2026-10-02).
- Fisher-Titus Medical Care LLC82 clinicians in the group
- Chas Physician Services LLC25 clinicians in the group
- BRHC8 clinicians in the group
Specialties
Other interventional cardiologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942254834 |
| 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