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Infectious Disease

Robert O. Brennan, MD

Works at hospitals in Lynchburg, VA · Virginia

Summary

Robert O. Brennan, MD (Infectious Disease) is listed by Medicare at 1 hospital in Lynchburg, VA. NPI 1659355170. 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 Robert O. Brennan, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
48Years since medical school (graduated 1978)
University Of Virginia School Of MedicineMedical school
MaleGender (as listed)
Infectious Disease Associates of Central Virginia LLCGroup practice

Quick answers

Which hospitals does Robert O. Brennan work at?
Medicare's official clinician data lists Robert O. Brennan at 1 hospital: Centra Health - Lynchburg Gen Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert O. Brennan see patients?
Medicare's clinician data lists 5 practice locations, including Charlottesville, VA, Lynchburg, VA and Roanoke, VA. Call before your visit to confirm the address.
What is Robert O. Brennan's specialty?
Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
Does Robert O. Brennan accept Medicare assignment?
Yes. Medicare's clinician data says Robert O. Brennan 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 Robert O. Brennan?
(434) 202-8064, as listed in official Medicare / NPI Registry data.
What is Robert O. Brennan's NPI number?
1659355170. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert O. Brennan works

Medicare's Facility Affiliation Data lists Robert O. Brennan 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 Robert O. Brennan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Robert O. Brennan as a member of this group (CMS data updated 2026-10-02).

  • Infectious Disease Associates of Central Virginia LLC6 clinicians in the group

Specialties

Find other Infectious Disease doctors in Virginia →

Other infectious disease doctors in Charlottesville

Clinicians with the same Medicare primary specialty in Charlottesville, VA — not a recommendation.

All infectious disease doctors in Charlottesville →

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1978
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659355170
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