Simon P. Horslen
Experienced in Hernia

Dr. Simon P. Horslen

Pediatrics
UPMC
Liver And Intestine Transplant At Pediatric Gastroenterology In Lawrenceville
4401 Penn Avenue, 
Pittsburgh, PA 
On Staff At
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients

Experienced in Hernia
UPMC
Liver And Intestine Transplant At Pediatric Gastroenterology In Lawrenceville
4401 Penn Avenue, 
Pittsburgh, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Simon Horslen, MBChB, FRCPCH, is a pediatric hepatologist and transplant physician and is certified in General Pediatrics and Gastroenterology by the Medical Royal Colleges in the United Kingdom. He is director of Pediatric Hepatology at UPMC Children’s Hospital of Pittsburgh and is a professor at the University of Pittsburgh School of Medicine. Dr. Horslen earned his medical degree at the University of Bristol Medical School in England and is a fellow and founding member of the Royal College of Pediatrics and Child Health (UK). He is a fellow of the American Society of Transplantation and of the American Association for the Study of Liver Disease. Dr. Horslen has worked in the United States for the last 23 years, initially at the University of Nebraska Medical Center in Omaha, NE, and subsequently at Seattle Children’s in Seattle, WA as director of Hepatology and medical director of Solid Organ Transplantation. His clinical and research interests include pediatric liver disease, acute liver failure, and liver and intestine transplantation. He has over 150 publications in the areas of pediatric liver disease, intestinal failure, and transplantation and participates in several multicenter studies. Dr. Horslen lives in Edgeworth with his wife, Sarah. He has two adult children who continue to live in the Pacific Northwest. He is an avid soccer fan, likes to play golf when his busy schedule allows, and is a woodturner and particularly enjoys making bowls on his lathe. View the full list of Dr. Horslen’s publications on PubMed. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling.

Dr. Horslen is rated as an Experienced provider by MediFind in the treatment of Hernia. His top areas of expertise are Biliary Atresia, Liver Failure, Gastroschisis, and Malabsorption.

His clinical research consists of co-authoring 136 peer reviewed articles and participating in 9 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 3 articles in the study of Hernia.

Specialties
Pediatrics
Licenses
Internal Medicine in WA
Languages Spoken
English
Gender
Male

Insurance

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

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Gateway Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • OTHER MEDICARE PART D
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
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
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
View 10 Less Insurance Carriers -

Locations

Liver and Intestine Transplant at Pediatric Gastroenterology in Lawrenceville
4401 Penn Avenue, Pittsburgh, PA 15224
Call: 412-530-6196

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.


9 Clinical Trials

Genetic Collection Protocol
Genetic Collection Protocol
Enrollment Status: Recruiting
Publish Date: September 10, 2025
Longitudinal Study of Mitochondrial Hepatopathies
Longitudinal Study of Mitochondrial Hepatopathies
Enrollment Status: Suspended
Publish Date: October 15, 2025
Longitudinal Study of Genetic Causes of Intrahepatic Cholestasis (LOGIC)
Longitudinal Study of Genetic Causes of Intrahepatic Cholestasis (LOGIC)
Enrollment Status: Suspended
Publish Date: October 15, 2025
A Prospective, Multi-center Registry for Patients With Short Bowel Syndrome
A Prospective, Multi-center Registry for Patients With Short Bowel Syndrome
Enrollment Status: Active_not_recruiting
Publish Date: October 10, 2025
A Prospective, Open-label, Long-term Safety and Efficacy Study of Teduglutide in Pediatric Patients With Short Bowel Syndrome Who Completed TED-C14-006 or SHP633-301
A Prospective, Open-label, Long-term Safety and Efficacy Study of Teduglutide in Pediatric Patients With Short Bowel Syndrome Who Completed TED-C14-006 or SHP633-301
Enrollment Status: Completed
Publish Date: March 28, 2025
Intervention Type: Drug, Device, Other
Study Phase: Phase 3
A Retrospective and Prospective, Open-label, Long-term Safety and Efficacy Study of Teduglutide in Pediatric Subjects With Short Bowel Syndrome Who Completed TED-C13-003
A Retrospective and Prospective, Open-label, Long-term Safety and Efficacy Study of Teduglutide in Pediatric Subjects With Short Bowel Syndrome Who Completed TED-C13-003
Enrollment Status: Completed
Publish Date: March 19, 2025
Intervention Type: Other, Drug
Study Phase: Phase 3
Randomized, Double-Blind, Placebo-Controlled Phase 2 Study to Evaluate the Efficacy and Safety of Maralixibat in the Treatment of Subjects With Biliary Atresia After Hepatoportoenterostomy
Randomized, Double-Blind, Placebo-Controlled Phase 2 Study to Evaluate the Efficacy and Safety of Maralixibat in the Treatment of Subjects With Biliary Atresia After Hepatoportoenterostomy
Enrollment Status: Completed
Publish Date: March 19, 2025
Intervention Type: Other, Drug
Study Drug: Maralixibat
Study Phase: Phase 2
Open-Label, Phase 2 Study to Evaluate the Safety and Tolerability of Maralixibat in the Treatment of Infants With Cholestatic Liver Diseases Including Progressive Familial Intrahepatic Cholestasis and Alagille Syndrome
Open-Label, Phase 2 Study to Evaluate the Safety and Tolerability of Maralixibat in the Treatment of Infants With Cholestatic Liver Diseases Including Progressive Familial Intrahepatic Cholestasis and Alagille Syndrome
Enrollment Status: Completed
Publish Date: February 06, 2025
Intervention Type: Drug
Study Drug: Maralixibat
Study Phase: Phase 2
A 24-Week Double-blind, Safety, Efficacy, and Pharmacodynamic Study Investigating Two Doses of Teduglutide in Pediatric Subjects Through 17 Years of Age With Short Bowel Syndrome Who Are Dependent on Parenteral Support
A 24-Week Double-blind, Safety, Efficacy, and Pharmacodynamic Study Investigating Two Doses of Teduglutide in Pediatric Subjects Through 17 Years of Age With Short Bowel Syndrome Who Are Dependent on Parenteral Support
Enrollment Status: Completed
Publish Date: June 09, 2021
Intervention Type: Drug, Other
Study Phase: Phase 3
View 8 Less Clinical Trials

135 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 135 Publications
Similar Doctors
Experienced in Hernia
Dr. Abeer A. Azzuqa
Neonatology | Pediatrics
Experienced in Hernia
Dr. Abeer A. Azzuqa
Neonatology | Pediatrics
1400 Locust St, Neonatal Intensive Care Unit, 
Pittsburgh, PA 
 (2.7 miles away)
412-917-9053
Languages Spoken:
English
See accepted insurances

Abeer Azzuqa is a Neonatologist and a Pediatrics provider in Pittsburgh, Pennsylvania. Dr. Azzuqa is rated as an Experienced provider by MediFind in the treatment of Hernia. Her top areas of expertise are Diaphragmatic Hernia, Necrotizing Enterocolitis, Hernia, Jaundice, and Gastrostomy.

Experienced in Hernia
Dr. Michelle R. Sredy
Pediatrics
Experienced in Hernia
Dr. Michelle R. Sredy
Pediatrics
1322 Eisenhower Blvd, 
Johnstown, PA 
 (59.6 miles away)
814-266-8840
Languages Spoken:
English
See accepted insurances

Michelle Sredy is a Pediatrics provider in Johnstown, Pennsylvania. Dr. Sredy is rated as an Advanced provider by MediFind in the treatment of Hernia. Her top areas of expertise are Oppositional Defiant Disorder (ODD), Autism Spectrum Disorder, Respiratory Syncytial Virus (RSV) Infection, and Obesity in Children.

Selma Witchel
Experienced in Hernia
Dr. Selma Witchel
Pediatrics
Experienced in Hernia
Dr. Selma Witchel
Pediatrics
3414 5th Ave, Chob Building 1st Floor, 
Pittsburgh, PA 
 (1.9 miles away)
412-692-5170
Languages Spoken:
English
See accepted insurances

Selma Witchel is a Pediatrics provider in Pittsburgh, Pennsylvania. Dr. Witchel is rated as an Advanced provider by MediFind in the treatment of Hernia. Her top areas of expertise are Mixed Gonadal Dysgenesis, Turner Syndrome, Mosaicism, Hormone Replacement Therapy (HRT), and Thyroidectomy.

VIEW MORE HERNIA 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. Horslen's expertise for a condition
ConditionClose
    • Distinguished
    • Biliary Atresia
      Dr. Horslen is
      Distinguished
      . Learn about Biliary Atresia.
      See more Biliary Atresia experts
    • Liver Failure
      Dr. Horslen is
      Distinguished
      . Learn about Liver Failure.
      See more Liver Failure experts
      • Experienced
      • Alpha-1 Antitrypsin Deficiency (AATD)
        Dr. Horslen is
        Experienced
        . Learn about Alpha-1 Antitrypsin Deficiency (AATD).
        See more Alpha-1 Antitrypsin Deficiency (AATD) experts
      • Anemia
        Dr. Horslen is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Childhood Iron Deficiency Anemia
        Dr. Horslen is
        Experienced
        . Learn about Childhood Iron Deficiency Anemia.
        See more Childhood Iron Deficiency Anemia experts
      • Childhood Volvulus
        Dr. Horslen is
        Experienced
        . Learn about Childhood Volvulus.
        See more Childhood Volvulus experts
      • Diarrhea
        Dr. Horslen is
        Experienced
        . Learn about Diarrhea.
        See more Diarrhea experts
      • Emphysema
        Dr. Horslen is
        Experienced
        . Learn about Emphysema.
        See more Emphysema experts
      View All 14 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.