Quick answers
- Which hospitals does John M. McGarity work at?
- Medicare's official clinician data lists John M. McGarity at 5 hospitals: Boone County Hospital, Broadlawns Medical Center, Compass Memorial Healthcare, Mary Greeley Medical Center and UnityPoint Health - Marshalltown. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. McGarity see patients?
- Medicare's clinician data lists 3 practice locations, including Ames, IA, Des Moines, IA and West Des Moines, IA. Call before your visit to confirm the address.
- What is John M. McGarity's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John M. McGarity accept Medicare assignment?
- Yes. Medicare's clinician data says John M. McGarity 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 John M. McGarity?
- (515) 239-4400, as listed in official Medicare / NPI Registry data.
- What is John M. McGarity's NPI number?
- 1538591896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. McGarity works
Medicare's Facility Affiliation Data lists John M. McGarity at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Boone County HospitalBoone, IA · Critical Access Hospital · CCN 161372
- Broadlawns Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160101
- Compass Memorial HealthcareMarengo, IA · Critical Access Hospital · CCN 161317
- Mary Greeley Medical CenterAmes, IA · Acute Care Hospital · CCN 160030
- UnityPoint Health - MarshalltownMarshalltown, IA · Acute Care Hospital · CCN 160001
Practice locations
Addresses where John M. McGarity is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 Duff AveAmes, IA 50010 (515) 239‑4400
- 1801 Hickman RdDes Moines, IA 50314 (515) 282‑2200
- 7601 Office Plaza Dr N, Suite 115West Des Moines, IA 50266 (515) 222‑0550
Group practices
Medicare enrollment lists John M. McGarity as a member of these groups (CMS data updated 2026-10-02).
- McFarland Clinic PC363 clinicians in the group
- Broadlawns Medical Center306 clinicians in the group
- Innovative Radiology LLC13 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Ames
Clinicians with the same Medicare primary specialty in Ames, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538591896 |
| 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