Quick answers
- Which hospitals does Gladstone A. Tucker work at?
- Medicare's official clinician data lists Gladstone A. Tucker at 2 hospitals: Heartland Regional Medical Center and Red Bud Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gladstone A. Tucker see patients?
- Medicare's clinician data lists 1 practice location in Marion, IL. Call before your visit to confirm the address.
- What is Gladstone A. Tucker's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Family Practice.
- Does Gladstone A. Tucker accept Medicare assignment?
- Yes. Medicare's clinician data says Gladstone A. Tucker 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 Gladstone A. Tucker?
- (618) 998-7000, as listed in official Medicare / NPI Registry data.
- What is Gladstone A. Tucker's NPI number?
- 1023087012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gladstone A. Tucker works
Medicare's Facility Affiliation Data lists Gladstone A. Tucker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
- Red Bud Regional HospitalRed Bud, IL · Critical Access Hospital · CCN 141348
Practice locations
Addresses where Gladstone A. Tucker is enrolled with Medicare (CMS data updated 2026-10-02).
- 3333 W Deyoung StMarion, IL 62959 (618) 998‑7000
Group practices
Medicare enrollment lists Gladstone A. Tucker as a member of this group (CMS data updated 2026-10-02).
- Deaconess Illinois Specialty Clinic, Inc.148 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in Marion
Clinicians with the same Medicare primary specialty in Marion, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023087012 |
| 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