Quick answers
- Which hospitals does Keith A. Gildehaus work at?
- Medicare's official clinician data lists Keith A. Gildehaus at 2 hospitals: Mercy Hospital St Louis and Mercy Hospital Washington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Keith A. Gildehaus see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, MO. Call before your visit to confirm the address.
- What is Keith A. Gildehaus's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Keith A. Gildehaus accept Medicare assignment?
- Yes. Medicare's clinician data says Keith A. Gildehaus 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 Keith A. Gildehaus?
- (314) 251-6364, as listed in official Medicare / NPI Registry data.
- What is Keith A. Gildehaus's NPI number?
- 1659574465. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Keith A. Gildehaus works
Medicare's Facility Affiliation Data lists Keith A. Gildehaus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
Practice locations
Addresses where Keith A. Gildehaus is enrolled with Medicare (CMS data updated 2026-10-02).
- 851 E 5th St, 208 Mercy Clinic WashWashington, MO 63090 (314) 251‑6364
- 851 E 5th St, Suite 108Washington, MO 63090 (636) 861‑7870
Group practices
Medicare enrollment lists Keith A. Gildehaus as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Surgical Specialists LLC182 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659574465 |
| 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