Quick answers
- Which hospitals does Greg C. Flaker work at?
- Medicare's official clinician data lists Greg C. Flaker at 5 hospitals: Boone Hospital Center, Moberly Regional Medical Center, Northeast Regional Medical Center, Phelps County Regional Medical Center and University of Missouri Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greg C. Flaker see patients?
- Medicare's clinician data lists 2 practice locations, including Columbia, MO. Call before your visit to confirm the address.
- What is Greg C. Flaker's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Greg C. Flaker accept Medicare assignment?
- Yes. Medicare's clinician data says Greg C. Flaker 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 Greg C. Flaker?
- (573) 882-4141, as listed in official Medicare / NPI Registry data.
- What is Greg C. Flaker's NPI number?
- 1851342299. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greg C. Flaker works
Medicare's Facility Affiliation Data lists Greg C. Flaker 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
- Moberly Regional Medical CenterMoberly, MO · Acute Care Hospital · CCN 260074
- Northeast Regional Medical CenterKirksville, MO · Acute Care Hospital · CCN 260022
- Phelps County Regional Medical CenterRolla, MO · Acute Care Hospital · CCN 260017
- University of Missouri Health CareColumbia, MO · Acute Care Hospital · CCN 260141
Practice locations
Addresses where Greg C. Flaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hospital DrColumbia, MO 65212 (573) 882‑4141
- 404 N Keene StColumbia, MO 65201 (573) 875‑9000
Group practices
Medicare enrollment lists Greg C. Flaker as a member of this group (CMS data updated 2026-10-02).
- The Curators of the University of Missouri1,131 clinicians in the group
Specialties
Other cardiac electrophysiologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851342299 |
| 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