Quick answers
- Which hospitals does Jonathan D. Root work at?
- Medicare's official clinician data lists Jonathan D. Root at 5 hospitals: Barnes-Jewish St Peters Hospital, Northwestern Medicine Central Dupage Hospital, SSM Health Depaul Hospital St Louis, SSM St Joseph Health Center and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan D. Root see patients?
- Medicare's clinician data lists 6 practice locations, including Lake Saint Louis, MO, Saint Charles, MO and Wentzville, MO. Call before your visit to confirm the address.
- What is Jonathan D. Root's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Jonathan D. Root accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan D. Root 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 Jonathan D. Root?
- (636) 625-5303, as listed in official Medicare / NPI Registry data.
- What is Jonathan D. Root's NPI number?
- 1033139696. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan D. Root works
Medicare's Facility Affiliation Data lists Jonathan D. Root at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
Practice locations
Addresses where Jonathan D. Root is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 100 Medical PlzLake Saint Louis, MO 63367 (636) 625‑5303
- 1475 Kisker Rd, Suite 160Saint Charles, MO 63304 (636) 498‑7800
- 1598 W Meyer Rd, SSM Health Wentzville Outpatient CenterWentzville, MO 63385 (636) 332‑8042
- 300 1st Capitol DrSaint Charles, MO 63301 (636) 947‑5444
- 500 Medical DrWentzville, MO 63385 (636) 327‑1140
Group practices
Medicare enrollment lists Jonathan D. Root as a member of these groups (CMS data updated 2026-10-02).
- SSM Medical Group Inc568 clinicians in the group
- Radiologic Imaging Consultants LLP16 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Lake Saint Louis
Clinicians with the same Medicare primary specialty in Lake Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033139696 |
| 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