Quick answers
- Which hospitals does Timothy C. Piearson work at?
- Medicare's official clinician data lists Timothy C. Piearson at 5 hospitals: Adair County Memorial Hospital, Cass County Memorial Hospital, Greater Regional Medical Center, Guthrie County Hospital and MercyOne Des Moines Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy C. Piearson see patients?
- Medicare's clinician data lists 2 practice locations, including Stuart, IA and Greenfield, IA. Call before your visit to confirm the address.
- What is Timothy C. Piearson's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Timothy C. Piearson accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy C. Piearson 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 Timothy C. Piearson?
- (515) 523-2513, as listed in official Medicare / NPI Registry data.
- What is Timothy C. Piearson's NPI number?
- 1740233659. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy C. Piearson works
Medicare's Facility Affiliation Data lists Timothy C. Piearson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adair County Memorial HospitalGreenfield, IA · Critical Access Hospital · CCN 161310
- Cass County Memorial HospitalAtlantic, IA · Critical Access Hospital · CCN 161376
- Greater Regional Medical CenterCreston, IA · Critical Access Hospital · CCN 161365
- Guthrie County HospitalGuthrie Center, IA · Critical Access Hospital · CCN 161314
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
Practice locations
Addresses where Timothy C. Piearson is enrolled with Medicare (CMS data updated 2026-10-02).
- 303 Sw7th StStuart, IA 50250 (515) 523‑2513
- 609 SE Kent StGreenfield, IA 50849 (641) 743‑2123
Group practices
Medicare enrollment lists Timothy C. Piearson as a member of this group (CMS data updated 2026-10-02).
- Adair County Memorial Hospital15 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740233659 |
| 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