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Hospitalist

Bonnie L. Barr, MD

Works at hospitals in Greenville, SC · South Carolina

Summary

Dr. Bonnie L. Barr, MD is a hospitalist at 210 Freeman Farm Rd, Duncan, SC 29334. Phone: (864) 968-5123. Accepts Medicare assignment. In 2024, Bonnie L. Barr had 224 Original Medicare patients and 227 services. NPI 1437108602. 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: Hospitalist
  • Address: 210 Freeman Farm Rd, Duncan, SC 29334 · Directions (1 more location)
  • Phone: (864) 968‑5123
  • Medicare: Accepts Medicare assignment
  • Hospital: Prisma Health Greenville Memorial Hospital
  • Group practice: Prisma Health University Medical Group
  • Medical school: Medical University Of South Carolina College Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Bonnie L. Barr, 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 Bonnie L. Barr accept Medicare assignment?
Yes. Medicare's clinician data says Bonnie L. Barr 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 Bonnie L. Barr see?
In 2024, CMS data shows 224 Original Medicare patients and 227 services for Bonnie L. Barr. This counts Original Medicare only and measures volume, not quality.
What is Bonnie L. Barr's NPI number?
1437108602. 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 Bonnie L. Barr, 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 patients224
Services billed to Medicare227
Different services or procedures7
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)207 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 blood pressure75%
  • High cholesterol75%
  • Arthritis65%
  • Ischemic heart disease54%
  • Chronic kidney disease51%
  • Diabetes46%

Hospitals where Bonnie L. Barr works

Medicare's Facility Affiliation Data lists Bonnie L. Barr 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 Bonnie L. Barr is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bonnie L. Barr as a member of this group (CMS data updated October 2, 2026).

  • Prisma Health University Medical Group2,493 clinicians in the group

Specialties

Find other Hospitalist doctors in South Carolina →

Other hospitalists in Duncan

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

All hospitalists in Duncan →

Other clinicians in Prisma Health University Medical Group

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

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437108602
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