Quick answers
- Which hospitals does John Jackson Iii work at?
- Medicare's official clinician data lists John Jackson Iii at 2 hospitals: MercyOne Clinton Medical Center and Tomah Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Jackson Iii see patients?
- Medicare's clinician data lists 5 practice locations, including Clinton, IA, Clarksdale, MS and Tomah, WI. Call before your visit to confirm the address.
- What is John Jackson Iii's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John Jackson Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John Jackson Iii 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 Jackson Iii?
- (563) 244-5900, as listed in official Medicare / NPI Registry data.
- What is John Jackson Iii's NPI number?
- 1992850036. 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 Jackson Iii works
Medicare's Facility Affiliation Data lists John Jackson Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MercyOne Clinton Medical CenterClinton, IA · Acute Care Hospital · CCN 160080
- Tomah Memorial HospitalTomah, WI · Critical Access Hospital · CCN 521320
Practice locations
Addresses where John Jackson Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 1410 N 4th StClinton, IA 52732 (563) 244‑5900
- 2000 N State StClarksdale, MS 38614 (662) 627‑7361
- 2000 N State St, Suite AClarksdale, MS 38614 (662) 627‑7361
- 505 Gopher DrTomah, WI 54660 (608) 372‑4111
- 915 13th Ave N, Mercyone Clinton PlazaClinton, IA 52732 (563) 243‑2511
Group practices
Medicare enrollment lists John Jackson Iii as a member of these groups (CMS data updated 2026-10-02).
- Gundersen Clinic Ltd418 clinicians in the group
- Mercy Specialty Clinic65 clinicians in the group
- Northwest Miss Regional Medical Center20 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Clinton
Clinicians with the same Medicare primary specialty in Clinton, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992850036 |
| 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