Quick answers
- Which hospitals does Eric Boyum work at?
- Medicare's official clinician data lists Eric Boyum at 3 hospitals: Mercy Hospital Jefferson, Mercy Hospital South and Mercy Hospital Springfield. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric Boyum see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO and Festus, MO. Call before your visit to confirm the address.
- What is Eric Boyum's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Eric Boyum accept Medicare assignment?
- Yes. Medicare's clinician data says Eric Boyum 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 Eric Boyum?
- (314) 525-1328, as listed in official Medicare / NPI Registry data.
- What is Eric Boyum's NPI number?
- 1093034266. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric Boyum works
Medicare's Facility Affiliation Data lists Eric Boyum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · CCN 260023
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · CCN 260077
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · CCN 260065
Practice locations
Addresses where Eric Boyum is enrolled with Medicare (CMS data updated 2026-10-02).
- 10010 Kennerly RdSaint Louis, MO 63128 (314) 525‑1328
- 1400 US Hwy 61Festus, MO 63028 (636) 933‑8091
Group practices
Medicare enrollment lists Eric Boyum as a member of these groups (CMS data updated 2026-10-02).
- St Anthonys Physician Organization Hospitalist Services LC144 clinicians in the group
- Mercy Clinic Adult Hospitalists Jefferson LLC55 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093034266 |
| 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