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Anesthesiology

Jennifer T. Johner, MD

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

Summary

Dr. Jennifer T. Johner, MD is an anesthesiologist at 1064 Gardner Rd, Suite 112, Charleston, SC 29407. Phone: (843) 402-1436. Accepts Medicare assignment. In 2024, Jennifer T. Johner had 465 Original Medicare patients and 523 services. NPI 1346403458. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1064 Gardner Rd, Suite 112, Charleston, SC 29407 · Directions (1 more location)
  • Phone: (843) 402‑1436
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mount Pleasant Hospital, Roper Hospital
  • Group practice: Bon Secours St Francis Xavier Hospital Inc (+1 more)
  • Medical school: University Of Kentucky College Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer T. Johner, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer T. Johner accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer T. Johner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer T. Johner see?
In 2024, CMS data shows 465 Original Medicare patients and 523 services for Jennifer T. Johner. This counts Original Medicare only and measures volume, not quality.
What is Jennifer T. Johner's NPI number?
1346403458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer T. Johner, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients465
Services billed to Medicare523
Different services or procedures43
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for lens surgery (00142)294 services
  2. Anesthesia for other procedure on eye (00140)39 services
  3. Anesthesia for procedure on eye for corneal transplant (00144)19 services
  4. Anesthesia for other procedure on lower abdomen (00840)14 services
  5. Anesthesia for x-ray or radiation therapy (01922)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure72%
  • Arthritis49%
  • Diabetes26%
  • Ischemic heart disease22%
  • Anxiety21%

Hospitals where Jennifer T. Johner works

Medicare's Facility Affiliation Data lists Jennifer T. Johner at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jennifer T. Johner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer T. Johner as a member of these groups (CMS data updated October 2, 2026).

  • 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 →

Other clinicians in Bon Secours St Francis Xavier Hospital Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346403458
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians