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Anesthesiology

John R. Wieser, MD

Works at hospitals in Charleston, SC · Mount Pleasant, SC · South Carolina

Summary

John R. Wieser, MD (Anesthesiology) is listed by Medicare at 3 hospitals in Charleston, SC and Mount Pleasant, SC. NPI 1023696911. 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 John R. Wieser, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
University Of Virginia School Of MedicineMedical school
MaleGender (as listed)
Bon Secours St Francis Xavier Hospital IncGroup practice (+1 more)

Quick answers

Which hospitals does John R. Wieser work at?
Medicare's official clinician data lists John R. Wieser at 3 hospitals: Bon Secours-St Francis Xavier Hospital, Mount Pleasant Hospital and Roper Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John R. Wieser see patients?
Medicare's clinician data lists 2 practice locations, including Charleston, SC. Call before your visit to confirm the address.
What is John R. Wieser's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does John R. Wieser accept Medicare assignment?
Yes. Medicare's clinician data says John R. Wieser 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 John R. Wieser?
(843) 402-1436, as listed in official Medicare / NPI Registry data.
What is John R. Wieser's NPI number?
1023696911. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John R. Wieser works

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

Group practices

Medicare enrollment lists John R. Wieser as a member of these groups (CMS data updated 2026-10-02).

  • Bon Secours St Francis Xavier Hospital Inc207 clinicians in the group
  • Anesthesia Associates of Charleston PA39 clinicians in the group

Specialties

Find other Anesthesiology doctors in South Carolina →

Other anesthesiologists in Charleston

Clinicians with the same Medicare primary specialty in Charleston, SC — not a recommendation.

All anesthesiologists in Charleston →

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023696911
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