Quick answers
- Which hospitals does Alex Hahn work at?
- Medicare's official clinician data lists Alex Hahn at 1 hospital: MercyOne Des Moines Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex Hahn see patients?
- Medicare's clinician data lists 2 practice locations, including Des Moines, IA and West Des Moines, IA. Call before your visit to confirm the address.
- What is Alex Hahn's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Alex Hahn accept Medicare assignment?
- Yes. Medicare's clinician data says Alex Hahn 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 Alex Hahn?
- (515) 247-4240, as listed in official Medicare / NPI Registry data.
- What is Alex Hahn's NPI number?
- 1538402052. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex Hahn works
Medicare's Facility Affiliation Data lists Alex Hahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
Practice locations
Addresses where Alex Hahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 6th AveDes Moines, IA 50314 (515) 247‑4240
- 1755 59th PlWest Des Moines, IA 50266 (515) 358‑8000
Group practices
Medicare enrollment lists Alex Hahn as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinics Inc443 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538402052 |
| 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