Quick answers
- Which hospitals does Ethan J. Diestler work at?
- Medicare's official clinician data lists Ethan J. Diestler at 1 hospital: Mercy Hospital South. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ethan J. Diestler see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Ethan J. Diestler's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Ethan J. Diestler accept Medicare assignment?
- Yes. Medicare's clinician data says Ethan J. Diestler 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 Ethan J. Diestler?
- (314) 525-1000, as listed in official Medicare / NPI Registry data.
- What is Ethan J. Diestler's NPI number?
- 1700732807. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ethan J. Diestler works
Medicare's Facility Affiliation Data lists Ethan J. Diestler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
Practice locations
Addresses where Ethan J. Diestler is enrolled with Medicare (CMS data updated 2026-10-02).
- 10010 Kennerly RdSaint Louis, MO 63128 (314) 525‑1000
- 12345 W Bend Dr, Mercy Outpatient SurSaint Louis, MO 63128 (636) 386‑7222
Group practices
Medicare enrollment lists Ethan J. Diestler as a member of this group (CMS data updated 2026-10-02).
- South County Anesthesia Associates Ltd84 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Missouri →
Other nurse anesthetists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2026 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700732807 |
| 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