Quick answers
- Which hospitals does Douglas J. Marshall work at?
- Medicare's official clinician data lists Douglas J. Marshall at 4 hospitals: Carle Health Methodist Hospital, Carle Health Pekin Hospital, Carle Health Proctor Hospital and Saint Francis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Douglas J. Marshall see patients?
- Medicare's clinician data lists 6 practice locations, including Morton, IL, Peoria, IL and Urbana, IL. Call before your visit to confirm the address.
- What is Douglas J. Marshall's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Douglas J. Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas J. Marshall 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 Douglas J. Marshall?
- (309) 263-4343, as listed in official Medicare / NPI Registry data.
- What is Douglas J. Marshall's NPI number?
- 1477569499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Douglas J. Marshall works
Medicare's Facility Affiliation Data lists Douglas J. Marshall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carle Health Methodist HospitalPeoria, IL · Acute Care Hospital · CCN 140209
- Carle Health Pekin HospitalPekin, IL · Acute Care Hospital · CCN 140120
- Carle Health Proctor HospitalPeoria, IL · Acute Care Hospital · CCN 140013
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · CCN 140067
Practice locations
Addresses where Douglas J. Marshall is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1909 N Morton AveMorton, IL 61550 (309) 263‑4343
- 1909 N Morton Ave, Methodist MortonMorton, IL 61550 (309) 263‑9124
- 5401 N Knoxville AvePeoria, IL 61614
- 611 W Park StUrbana, IL 61801 (888) 712‑2753
- 815 Main StPeoria, IL 61602
Group practices
Medicare enrollment lists Douglas J. Marshall as a member of these groups (CMS data updated 2026-10-02).
- Carle Health Care Incorporated1,666 clinicians in the group
- Methodist Medical Center of Illinois382 clinicians in the group
- Proctor Health Systems105 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477569499 |
| 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