Quick answers
- Which hospitals does Benjamin J. Johnston work at?
- Medicare's official clinician data lists Benjamin J. Johnston at 3 hospitals: AdventHealth Shawnee Mission, AdventHealth South Overland Park, Inc and Truman Medical Center Hospital Hill. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin J. Johnston see patients?
- Medicare's clinician data lists 1 practice location in Merriam, KS. Call before your visit to confirm the address.
- What is Benjamin J. Johnston's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Benjamin J. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin J. Johnston 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 Benjamin J. Johnston?
- (913) 676-2000, as listed in official Medicare / NPI Registry data.
- What is Benjamin J. Johnston's NPI number?
- 1144517897. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin J. Johnston works
Medicare's Facility Affiliation Data lists Benjamin J. Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Shawnee MissionShawnee Mission, KS · Acute Care Hospital · CCN 170104
- AdventHealth South Overland Park, IncOverland Park, KS · Acute Care Hospital · CCN 170208
- Truman Medical Center Hospital HillKansas City, MO · Acute Care Hospital · CCN 260048
Practice locations
Addresses where Benjamin J. Johnston is enrolled with Medicare (CMS data updated 2026-10-02).
- 9100 W 74th St, Ahmg Cardiology at Shawnee MissionMerriam, KS 66204 (913) 676‑2000
Group practices
Medicare enrollment lists Benjamin J. Johnston as a member of this group (CMS data updated 2026-10-02).
- Shawnee Mission Medical Center Inc286 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Kansas
Clinicians with the same Medicare primary specialty in Kansas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144517897 |
| 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