Quick answers
- Which hospitals does John P. Scally work at?
- Medicare's official clinician data lists John P. Scally at 5 hospitals: HSHS Holy Family Hospital Inc, HSHS St Elizabeth's Hospital, SSM Health St Mary's Hospital -Centralia, St Joseph's Hospital and St Josephs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Scally see patients?
- Medicare's clinician data lists 9 practice locations, including O Fallon, IL, Highland, IL and Greenville, IL. Call before your visit to confirm the address.
- What is John P. Scally's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does John P. Scally accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Scally 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 P. Scally?
- (618) 234-2120, as listed in official Medicare / NPI Registry data.
- What is John P. Scally's NPI number?
- 1508952318. 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 P. Scally works
Medicare's Facility Affiliation Data lists John P. Scally at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HSHS Holy Family Hospital IncGreenville, IL · Acute Care Hospital · CCN 140137
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · CCN 140187
- SSM Health St Mary's Hospital -CentraliaCentralia, IL · Acute Care Hospital · CCN 140034
- St Joseph's HospitalHighland, IL · Critical Access Hospital · CCN 141336
- St Josephs HospitalBreese, IL · Acute Care Hospital · CCN 140145
Practice locations
Addresses where John P. Scally is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 234‑2120
- 12866 Troxler AveHighland, IL 62249 (618) 651‑2600
- 1515 Main StHighland, IL 62249 (618) 651‑2831
- 200 Health Care DrGreenville, IL 62246 (618) 664‑1230
- 200 Health Care Dr, Suite 1501Greenville, IL 62246 (618) 690‑3411
Group practices
Medicare enrollment lists John P. Scally as a member of these groups (CMS data updated 2026-10-02).
- Prairie Cardiovascular Consultants Ltd90 clinicians in the group
- St Elizabeths Hospital of the Hospital Sisters of the Third Order29 clinicians in the group
- HSHS Holy Family Hospital Inc25 clinicians in the group
- St Josephs Hospital of the Hospital Sisters of the Third Order of St F24 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in O Fallon
Clinicians with the same Medicare primary specialty in O Fallon, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508952318 |
| 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