Quick answers
- Which hospitals does Peter S. Montgomery work at?
- Medicare's official clinician data lists Peter S. Montgomery at 5 hospitals: Barnes-Jewish St Peters Hospital, SSM Health Depaul Hospital St Louis, SSM Health St Mary's 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 Peter S. Montgomery see patients?
- Medicare's clinician data lists 2 practice locations, including Wentzville, MO and Saint Louis, MO. Call before your visit to confirm the address.
- What is Peter S. Montgomery's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Peter S. Montgomery accept Medicare assignment?
- Yes. Medicare's clinician data says Peter S. Montgomery 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 Peter S. Montgomery?
- (636) 332-8228, as listed in official Medicare / NPI Registry data.
- What is Peter S. Montgomery's NPI number?
- 1558356469. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter S. Montgomery works
Medicare's Facility Affiliation Data lists Peter S. Montgomery 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
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
- SSM Health St Mary's Hospital - St LouisSaint Louis, MO · Acute Care Hospital · CCN 260091
- 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 Peter S. Montgomery is enrolled with Medicare (CMS data updated 2026-10-02).
- 1598 W Meyer RdWentzville, MO 63385 (636) 332‑8228
- 7212 Balson AveSaint Louis, MO 63130
Group practices
Medicare enrollment lists Peter S. Montgomery as a member of these groups (CMS data updated 2026-10-02).
- SSM Medical Group Inc568 clinicians in the group
- Aging Well Health Care, LLC238 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wentzville
Clinicians with the same Medicare primary specialty in Wentzville, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558356469 |
| 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