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Pathology

Paul R. Buttars, DO

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Belleville, IL … · Missouri, Illinois

Summary

Paul R. Buttars, DO (Pathology) is listed by Medicare at 4 hospitals in Saint Louis, MO, Creve Coeur, MO and Belleville, IL and other places. NPI 1881061901. 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 Paul R. Buttars, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Paul R. Buttars work at?
Medicare's official clinician data lists Paul R. Buttars at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Memorial Hospital and Memorial Hospital of Carbondale. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Paul R. Buttars see patients?
Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
What is Paul R. Buttars's specialty?
Medicare lists Pathology as the primary specialty.
Does Paul R. Buttars accept Medicare assignment?
Yes. Medicare's clinician data says Paul R. Buttars 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 Paul R. Buttars?
(314) 362-5641, as listed in official Medicare / NPI Registry data.
What is Paul R. Buttars's NPI number?
1881061901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Paul R. Buttars works

Medicare's Facility Affiliation Data lists Paul R. Buttars 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 Paul R. Buttars is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Washington University3,029 clinicians in the group

Specialties

Find other Pathology doctors in Missouri →

Other pathologists in Saint Louis

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

All pathologists in Saint Louis →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881061901
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