Quick answers
- Which hospitals does Mark C. Boswell work at?
- Medicare's official clinician data lists Mark C. Boswell at 5 hospitals: Jefferson County Health Center, MercyOne Centerville Medical Center, Monroe County Hospital, Ottumwa Regional Health Center and Wayne County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark C. Boswell see patients?
- Medicare's clinician data lists 7 practice locations, including Centerville, IA, Ottumwa, IA and Fairfield, IA. Call before your visit to confirm the address.
- What is Mark C. Boswell's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mark C. Boswell accept Medicare assignment?
- Yes. Medicare's clinician data says Mark C. Boswell 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 Mark C. Boswell?
- (641) 437-4111, as listed in official Medicare / NPI Registry data.
- What is Mark C. Boswell's NPI number?
- 1245737675. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark C. Boswell works
Medicare's Facility Affiliation Data lists Mark C. Boswell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson County Health CenterFairfield, IA · Critical Access Hospital · CCN 161364
- MercyOne Centerville Medical CenterCenterville, IA · Critical Access Hospital · CCN 161377
- Monroe County HospitalAlbia, IA · Critical Access Hospital · CCN 161342
- Ottumwa Regional Health CenterOttumwa, IA · Acute Care Hospital · CCN 160089
- Wayne County HospitalCorydon, IA · Critical Access Hospital · CCN 161358
Practice locations
Addresses where Mark C. Boswell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1 Saint Joseph DrCenterville, IA 52544 (641) 437‑4111
- 1001 Penn AveOttumwa, IA 52501 (641) 684‑2300
- 2000 S Main StFairfield, IA 52556 (641) 472‑4111
- 417 S E StCorydon, IA 50060 (641) 872‑2260
- 417 S E St, Suite 100Corydon, IA 50060 (641) 872‑2063
Group practices
Medicare enrollment lists Mark C. Boswell as a member of these groups (CMS data updated 2026-10-02).
- Medstream Anesthesia PLLC573 clinicians in the group
- Jefferson County Hospital47 clinicians in the group
- Wayne County Hospital47 clinicians in the group
- Mercy Medical Center-Centerville40 clinicians in the group
- Monroe County Hospital27 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Iowa →
Other nurse anesthetists in Centerville
Clinicians with the same Medicare primary specialty in Centerville, IA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245737675 |
| 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