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Hospitalist

Brian M. Fishman, DO

Works at hospitals in Saint Louis, MO · Missouri

Summary

Brian M. Fishman, DO (Hospitalist) is listed by Medicare at 1 hospital in Saint Louis, MO. NPI 1225391824. 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 Brian M. Fishman, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Lake Erie College Of Osteopathic Medicine, ErieMedical school
MaleGender (as listed)
Mercy Clinic Adult Hospitalists - St. Louis, LLCGroup practice

Quick answers

Which hospitals does Brian M. Fishman work at?
Medicare's official clinician data lists Brian M. Fishman at 1 hospital: Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian M. Fishman see patients?
Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
What is Brian M. Fishman's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Brian M. Fishman accept Medicare assignment?
Yes. Medicare's clinician data says Brian M. Fishman 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 Brian M. Fishman?
(314) 251-6339, as listed in official Medicare / NPI Registry data.
What is Brian M. Fishman's NPI number?
1225391824. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian M. Fishman works

Medicare's Facility Affiliation Data lists Brian M. Fishman 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 Brian M. Fishman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian M. Fishman as a member of this group (CMS data updated 2026-10-02).

  • Mercy Clinic Adult Hospitalists - St. Louis, LLC137 clinicians in the group

Specialties

Find other Hospitalist doctors in Missouri →

Other hospitalists in Saint Louis

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

All hospitalists in Saint Louis →

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225391824
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