Timothy R. Billiar
Experienced in Secondary Peritonitis

Dr. Timothy R. Billiar

General Surgery
UPMC
UPMC Division Of Trauma And General Surgery
3601 5th Avenue, Suite 6B, 
Pittsburgh, PA 
On Staff At
Accepting New Patients

Experienced in Secondary Peritonitis
UPMC
UPMC Division Of Trauma And General Surgery
3601 5th Avenue, Suite 6B, 
Pittsburgh, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Timothy Billiar is a General Surgeon in Pittsburgh, Pennsylvania. Dr. Billiar is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Hepatic Ischemia, Low Blood Pressure, Necrosis, Secondary Peritonitis, and Lung Transplant. Dr. Billiar is currently accepting new patients.

His clinical research consists of co-authoring 392 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Secondary Peritonitis.

Specialties
General Surgery
Licenses
Specialist in PA
Board Certifications
American Board Of Surgery
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
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Locations

UPMC Division of Trauma and General Surgery
3601 5th Avenue, Suite 6B, Pittsburgh, PA 15213
Call: 412-647-0635

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


392 Total Publications

Correction: Plumbagin protects mice from lethal Sepsis by modulating immunometabolism upstream of PKM2.
Correction: Plumbagin protects mice from lethal Sepsis by modulating immunometabolism upstream of PKM2.
Journal: Molecular medicine (Cambridge, Mass.)
Published: July 27, 2025
View All 392 Publications
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Athan Georgiades is a General Surgeon in Pittsburgh, Pennsylvania. Dr. Georgiades is rated as a Distinguished provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Hemorrhoidectomy. Dr. Georgiades is currently accepting new patients.

VIEW MORE SECONDARY PERITONITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Billiar's expertise for a condition
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      • Advanced
      • Hepatic Ischemia
        Dr. Billiar is
        Advanced
        . Learn about Hepatic Ischemia.
        See more Hepatic Ischemia experts
      • Low Blood Pressure
        Dr. Billiar is
        Advanced
        . Learn about Low Blood Pressure.
        See more Low Blood Pressure experts
      • Necrosis
        Dr. Billiar is
        Advanced
        . Learn about Necrosis.
        See more Necrosis experts
      • Experienced
      • Acute Respiratory Distress Syndrome (ARDS)
        Dr. Billiar is
        Experienced
        . Learn about Acute Respiratory Distress Syndrome (ARDS).
        See more Acute Respiratory Distress Syndrome (ARDS) experts
      • Breast Cancer
        Dr. Billiar is
        Experienced
        . Learn about Breast Cancer.
        See more Breast Cancer experts
      • Cholestasis
        Dr. Billiar is
        Experienced
        . Learn about Cholestasis.
        See more Cholestasis experts
      • Liver Cancer
        Dr. Billiar is
        Experienced
        . Learn about Liver Cancer.
        See more Liver Cancer experts
      • Lung Transplant
        Dr. Billiar is
        Experienced
        . Learn about Lung Transplant.
        See more Lung Transplant experts
      • Peritonitis
        Dr. Billiar is
        Experienced
        . Learn about Peritonitis.
        See more Peritonitis experts
      View All 9 Experienced Conditions
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