Quick answers
- Which hospitals does Melissa Mahon work at?
- Medicare's official clinician data lists Melissa Mahon at 3 hospitals: Henry County Health Center, Ottumwa Regional Health Center and Southeast Iowa Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Melissa Mahon see patients?
- Medicare's clinician data lists 1 practice location in Ottumwa, IA. Call before your visit to confirm the address.
- What is Melissa Mahon's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Melissa Mahon accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Mahon 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 Melissa Mahon?
- (641) 684-2300, as listed in official Medicare / NPI Registry data.
- What is Melissa Mahon's NPI number?
- 1003047820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa Mahon works
Medicare's Facility Affiliation Data lists Melissa Mahon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry County Health CenterMount Pleasant, IA · Critical Access Hospital · CCN 161356
- Ottumwa Regional Health CenterOttumwa, IA · Acute Care Hospital · CCN 160089
- Southeast Iowa Regional Medical CenterWest Burlington, IA · Acute Care Hospital · CCN 160057
Practice locations
Addresses where Melissa Mahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 Penn AveOttumwa, IA 52501 (641) 684‑2300
Group practices
Medicare enrollment lists Melissa Mahon as a member of this group (CMS data updated 2026-10-02).
- Medstream Anesthesia PLLC573 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Iowa →
Other nurse anesthetists in Ottumwa
Clinicians with the same Medicare primary specialty in Ottumwa, IA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003047820 |
| 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