Quick answers
- Which hospitals does Charles W. McMahon work at?
- Medicare's official clinician data lists Charles W. McMahon at 3 hospitals: Saint Luke's South Hospital, Saint Lukes North Hospital and St Lukes Hospital of Kansas City. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles W. McMahon see patients?
- Medicare's clinician data lists 2 practice locations, including Kansas City, MO. Call before your visit to confirm the address.
- What is Charles W. McMahon's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Charles W. McMahon accept Medicare assignment?
- Yes. Medicare's clinician data says Charles W. McMahon 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 Charles W. McMahon?
- (913) 491-9100, as listed in official Medicare / NPI Registry data.
- What is Charles W. McMahon's NPI number?
- 1861768053. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles W. McMahon works
Medicare's Facility Affiliation Data lists Charles W. McMahon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Luke's South HospitalOverland Park, KS · Acute Care Hospital · CCN 170185
- Saint Lukes North HospitalKansas City, MO · Acute Care Hospital · CCN 260062
- St Lukes Hospital of Kansas CityKansas City, MO · Acute Care Hospital · CCN 260138
Practice locations
Addresses where Charles W. McMahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 4321 Washington St, Suite 5100Kansas City, MO 64111 (913) 491‑9100
- 4321 Washington St, Suite 5600Kansas City, MO 64111 (816) 561‑2000
Group practices
Medicare enrollment lists Charles W. McMahon as a member of these groups (CMS data updated 2026-10-02).
- Saint Lukes Physician Group Inc1,237 clinicians in the group
- Mid America Gastro Intestinal Consultants P C6 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Kansas City
Clinicians with the same Medicare primary specialty in Kansas City, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861768053 |
| 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