George V. Mazariegos
Experienced in Cholangitis

Dr. George V. Mazariegos

General Surgery
UPMC
UPMC Children's Hospital Of Pittsburgh, Pediatric Transplant Services
4401 Penn Avenue, 
Pittsburgh, PA 
On Staff At
Accepting New Patients
Offers Telehealth

Experienced in Cholangitis
UPMC
UPMC Children's Hospital Of Pittsburgh, Pediatric Transplant Services
4401 Penn Avenue, 
Pittsburgh, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

George V. Mazariegos, MD, FACS, specializes in pediatric transplant surgery at UPMC Children’s Hospital of Pittsburgh. He is certified by the American College of Surgeons and is chief of Pediatric Transplantation at UPMC while holding the title of Jamie Lee Curtis Chair in Transplantation Surgery. He received his medical degree from Northwestern University Medical School, completed his residency at Michigan State University, followed by fellowships at UPMC in critical care medicine, and the Thomas E. Starzl fellowship in transplantation, hepatic, and multivisceral transplantation. Dr. Mazariegos’ clinical interests include treatment of pediatric patients who have liver and intestinal disease that require transplantation or hepatobiliary surgery. He is a member of the Society of University Surgeons, the American Surgical Association, and the Pediatric Committee of the International Liver Transplant Society. He and colleagues recently founded the Starzl Network for Excellence in Pediatric Transplantation, a learning health system focused on accelerating innovation and patient centered care in pediatric transplantation. Dr. Mazariegos lives in Oakland with his wife and three children. View Dr. Mazariegos's full list of publications from PubMed.

Dr. Mazariegos is rated as an Experienced provider by MediFind in the treatment of Cholangitis. His top areas of expertise are Crigler-Najjar Syndrome, Biliary Atresia, Dihydrolipoamide Dehydrogenase Deficiency, Liver Transplant, and Small Bowel Resection.

His clinical research consists of co-authoring 199 peer reviewed articles and participating in 6 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Cholangitis.

Graduate Institution
Northwestern University - Feinberg
Residency
Butterworth Hospital
Specialties
General Surgery
Licenses
Specialist in PA
Board Certifications
American Board Of Surgery
American Board Of Surgery
Fellowships
University of Pittsburgh School of Medicine
Languages Spoken
English
Spanish
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
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Gateway Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
HealthKeepers
  • POS
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Health Services
  • EPO
  • MANAGED MEDICAID PLAN
  • OTHER COMMERCIAL
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
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
Sunshine Health
  • EPO
  • HMO
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

UPMC Children's Hospital of Pittsburgh, Pediatric Transplant Services
4401 Penn Avenue, Pittsburgh, PA 15224
Call: 412-450-3161

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.


6 Clinical Trials

Longitudinal Study of Mitochondrial Hepatopathies
Longitudinal Study of Mitochondrial Hepatopathies
Enrollment Status: Suspended
Publish Date: October 15, 2025
Starzl Network for Excellence in Pediatric Transplantation (SNEPT) Implementation of a QoL Measure in Pediatric Transplant Recipients
Starzl Network for Excellence in Pediatric Transplantation (SNEPT) Implementation of a QoL Measure in Pediatric Transplant Recipients
Enrollment Status: Completed
Publish Date: September 16, 2025
Intervention Type: Behavioral
Study Phase: Not Applicable
Improving Medication Adherence in Adolescents Who Had a Liver Transplant
Improving Medication Adherence in Adolescents Who Had a Liver Transplant
Enrollment Status: Completed
Publish Date: March 04, 2025
Intervention Type: Behavioral
Study Phase: Not Applicable
Hepatocyte Transplantation for Phenylketonuria
Hepatocyte Transplantation for Phenylketonuria
Enrollment Status: Terminated
Publish Date: August 16, 2023
Intervention Type: Drug, Other, Procedure, Diagnostic test, Radiation, Behavioral
Study Drug: Immunosuppression
Study Phase: Phase 1/Phase 2
A Prospective Cohort Study of Operationally Tolerant Allograft Recipients (ITN063ST)
A Prospective Cohort Study of Operationally Tolerant Allograft Recipients (ITN063ST)
Enrollment Status: Terminated
Publish Date: September 21, 2021
Intervention Type: Procedure
Biomarkers for Post-Transplant Lymphoproliferative Disorders in Children (CTOTC-06)
Biomarkers for Post-Transplant Lymphoproliferative Disorders in Children (CTOTC-06)
Enrollment Status: Completed
Publish Date: August 29, 2019
Intervention Type: Procedure, Drug
View 5 Less Clinical Trials

199 Total Publications

Outcome After Intestinal Transplantation From Living Versus Deceased Donors: A Propensity-matched Cohort Analysis of the International Intestinal Transplant Registry: Erratum.
Outcome After Intestinal Transplantation From Living Versus Deceased Donors: A Propensity-matched Cohort Analysis of the International Intestinal Transplant Registry: Erratum.
Journal: Annals of surgery
Published: October 13, 2025
View All 199 Publications
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 (1.6 miles away)
877-684-7189
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Experienced in Cholangitis
Dr. Thomas J. Chirichella
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Columbiana, OH 
 (46.8 miles away)
330-729-1934
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Thomas Chirichella is a Transplant Surgeon and a General Surgeon in Columbiana, Ohio. Dr. Chirichella is rated as an Advanced provider by MediFind in the treatment of Cholangitis. His top areas of expertise are Familial Pancreatic Cancer, Pancreatic Cancer, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Hepato-Pancreato-Biliary Surgery. Dr. Chirichella is currently accepting new patients.

VIEW MORE CHOLANGITIS 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. Mazariegos's expertise for a condition
ConditionClose
  • Elite
  • Liver Transplant
    Dr. Mazariegos is
    Elite
    . Learn about Liver Transplant.
    See more Liver Transplant experts
  • Distinguished
  • Crigler-Najjar Syndrome
    Dr. Mazariegos is
    Distinguished
    . Learn about Crigler-Najjar Syndrome.
    See more Crigler-Najjar Syndrome experts
  • Advanced
  • Biliary Atresia
    Dr. Mazariegos is
    Advanced
    . Learn about Biliary Atresia.
    See more Biliary Atresia experts
  • Dihydrolipoamide Dehydrogenase Deficiency
    Dr. Mazariegos is
    Advanced
    . Learn about Dihydrolipoamide Dehydrogenase Deficiency.
    See more Dihydrolipoamide Dehydrogenase Deficiency experts
  • Liver Failure
    Dr. Mazariegos is
    Advanced
    . Learn about Liver Failure.
    See more Liver Failure experts
  • Progressive Familial Intrahepatic Cholestasis Type 1
    Dr. Mazariegos is
    Advanced
    . Learn about Progressive Familial Intrahepatic Cholestasis Type 1.
    See more Progressive Familial Intrahepatic Cholestasis Type 1 experts
  • Short Bowel Syndrome
    Dr. Mazariegos is
    Advanced
    . Learn about Short Bowel Syndrome.
    See more Short Bowel Syndrome experts
  • Small Bowel Resection
    Dr. Mazariegos is
    Advanced
    . Learn about Small Bowel Resection.
    See more Small Bowel Resection experts
  • Experienced
  • Cholangitis
    Dr. Mazariegos is
    Experienced
    . Learn about Cholangitis.
    See more Cholangitis experts
  • Cholestasis
    Dr. Mazariegos is
    Experienced
    . Learn about Cholestasis.
    See more Cholestasis experts
  • Gastroschisis
    Dr. Mazariegos is
    Experienced
    . Learn about Gastroschisis.
    See more Gastroschisis experts
  • Gastrostomy
    Dr. Mazariegos is
    Experienced
    . Learn about Gastrostomy.
    See more Gastrostomy experts
  • Hepatoblastoma
    Dr. Mazariegos is
    Experienced
    . Learn about Hepatoblastoma.
    See more Hepatoblastoma experts
  • Intestinal Pseudo-Obstruction
    Dr. Mazariegos is
    Experienced
    . Learn about Intestinal Pseudo-Obstruction.
    See more Intestinal Pseudo-Obstruction experts
View All 10 Experienced Conditions
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