Quick answers
- Which hospitals does John R. Greaves work at?
- Medicare's official clinician data lists John R. Greaves at 2 hospitals: Buena Vista Regional Medical Center and Cherokee Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John R. Greaves see patients?
- Medicare's clinician data lists 2 practice locations, including Cherokee, IA and Storm Lake, IA. Call before your visit to confirm the address.
- What is John R. Greaves's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does John R. Greaves accept Medicare assignment?
- Medicare's clinician data says John R. Greaves may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for John R. Greaves?
- (712) 225-6265, as listed in official Medicare / NPI Registry data.
- What is John R. Greaves's NPI number?
- 1134617442. 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 R. Greaves works
Medicare's Facility Affiliation Data lists John R. Greaves at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Buena Vista Regional Medical CenterStorm Lake, IA · Critical Access Hospital · CCN 161375
- Cherokee Regional Medical CenterCherokee, IA · Critical Access Hospital · CCN 161362
Practice locations
Addresses where John R. Greaves is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Sioux Valley DrCherokee, IA 51012 (712) 225‑6265
- 315 W 5th StStorm Lake, IA 50588 (712) 732‑7724
Group practices
Medicare enrollment lists John R. Greaves as a member of these groups (CMS data updated 2026-10-02).
- Sports Rehab and Professional Therapy Associates Inc132 clinicians in the group
- Sioux Valley Memorial Hospital Association19 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1134617442 |
| 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