Quick answers
- Which hospitals does Thomas L. Martin work at?
- Medicare's official clinician data lists Thomas L. Martin at 3 hospitals: Greene County Medical Center, MercyOne Des Moines Medical Center and UnityPoint Health - Des Moines Iowa Methodist Medi…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas L. Martin see patients?
- Medicare's clinician data lists 2 practice locations, including Clive, IA. Call before your visit to confirm the address.
- What is Thomas L. Martin's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Thomas L. Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas L. Martin 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 Thomas L. Martin?
- (515) 288-6097, as listed in official Medicare / NPI Registry data.
- What is Thomas L. Martin's NPI number?
- 1417908922. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas L. Martin works
Medicare's Facility Affiliation Data lists Thomas L. Martin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greene County Medical CenterJefferson, IA · Critical Access Hospital · CCN 161325
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
- UnityPoint Health - Des Moines Iowa Methodist Medi…Des Moines, IA · Acute Care Hospital · CCN 160082
Practice locations
Addresses where Thomas L. Martin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1378 NW 124th StClive, IA 50325
- 1378 NW 124th St, Suite 200Clive, IA 50325 (515) 288‑6097
Group practices
Medicare enrollment lists Thomas L. Martin as a member of this group (CMS data updated 2026-10-02).
- Iowa Digestive Disease Center PC24 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Clive
Clinicians with the same Medicare primary specialty in Clive, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417908922 |
| 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