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Obstetrics/Gynecology

James R. Probst, MD

Works at hospitals in Saint Louis, MO · Fenton, MO · Chesterfield, MO · Missouri

Summary

James R. Probst, MD (Obstetrics/Gynecology) is listed by Medicare at 4 hospitals in Saint Louis, MO, Fenton, MO and Chesterfield, MO. NPI 1538270624. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James R. Probst, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
McPherson Medical and Diagnostic LLCGroup practice

Quick answers

Which hospitals does James R. Probst work at?
Medicare's official clinician data lists James R. Probst at 4 hospitals: Mercy Hospital South, Mercy Hospital St Louis, SSM St Clare Health Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James R. Probst see patients?
Medicare's clinician data lists 2 practice locations, including Saint Louis, MO and Carthage, MO. Call before your visit to confirm the address.
What is James R. Probst's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does James R. Probst accept Medicare assignment?
Yes. Medicare's clinician data says James R. Probst 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 James R. Probst?
(314) 965-6033, as listed in official Medicare / NPI Registry data.
What is James R. Probst's NPI number?
1538270624. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James R. Probst works

Medicare's Facility Affiliation Data lists James R. Probst at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James R. Probst is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James R. Probst as a member of this group (CMS data updated 2026-10-02).

  • McPherson Medical and Diagnostic LLC93 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Missouri →

Other OB-GYNs in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All OB-GYNs in Saint Louis →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538270624
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians