, Gastroenterology, Hepatology and Nutrition


3020 Children's Way
MC 5030
San Diego, CA 92123


Gastroenterology, Hepatology and Nutrition


Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

Washington University


St Louis Childrens Hospital


St Louis Childrens Hospital

Board Certifications

Gastroenterology, Hepatology and Nutrition, Pediatric Gastroenterology, Pediatrics


Dr. Kathleen Schwarz is a pediatric gastroenterologist at Rady Children's Hospital-San Diego and an associate physician diplomate at UC San Diego School of Medicine. She is triple certified by the American Board of Pediatrics in pediatrics, pediatric gastroenterology and pediatric transplant hepatology.

Her research focus is viral infections of the liver, both typical (hepatitis B and C) and atypical (as triggers of biliary atresia and autoimmune hepatitis).

Prior to joining Rady Children's in May 2018, Dr. Schwarz was the division chief of pediatric gastroenterology and medical director of the Pediatric Liver Transplant Program at Johns Hopkins University in Baltimore. Previously, she was chief of pediatric gastroenterology at St. Louis University.

Dr. Schwarz received her bachelor's degree in biology from Scripps College, her Master of Arts in Teaching in biology from Northwestern University and her medical degree from Washington University in St. Louis. She completed her residency in pediatrics and fellowship in pediatric gastroenterology at St. Louis Children's Hospital/Washington University School of Medicine. She was chief of pediatric gastroenterology at St. Louis University and then moved to Johns Hopkins University in Baltimore, where she served as division chief of pediatric gastroenterology and medical director of the Pediatric Liver Transplant Program.

Dr. Schwarz was named one of Baltimore magazine's top 25 pediatricians, and she has won teaching awards at both St. Louis University and Johns Hopkins University. Since 2001, she has been one of the Castle Connolly Top Doctors in America. In 2005, she received the Distinguished Service Award of the North American Society of Pediatric Gastroenterology, Hepatology, and Nutrition (NASPGHAN). She was the president of this organization and is past president of the Federation of International Societies of Pediatric Gastroenterology, Hepatology and Nutrition. In 2017, she received the NASPGHAN Shwachman Award for major lifelong scientific and contributions to the field of pediatric gastroenterology, hepatology and nutrition.

Dr. Schwarz also has been designated a U.S. News & World Report "Top Doctor," a distinction conferred on the top 1 percent of pediatric gastroenterologists in the United States.


Projected 20- and 30-Year Outcomes for Pediatric Liver Transplant Recipients in the United States.
Bowring MG, Massie AB, Chu NM, Bae S, Schwarz KB, Cameron AM, Bridges JFP, Segev DL, Mogul DB

Neurodevelopmental Outcomes in Preschool and School Aged Children With Biliary Atresia and Their Native Liver.
Squires JE, Ng VL, Hawthorne K, Henn LL, Sorensen LG, Fredericks EM, Alonso EM, Murray KF, Loomes KM, Karpen SJ, Cavallo LA, Molleston JP, Bezerra JA, Rosenthal P, Squires RH, Wang KS, Schwarz KB, Arnon R, Magee JC, Sokol RJ, Childhood Liver Disease Research Network (ChiLDReN).

Survey of Impediments to Prevention of Mother-to-infant Transmission of Hepatitis B Virus by International Societies.
Chang MH, Fischler B, Blauvelt B, Ciocca M, Dhawan A, Ekong U, Ni YH, Porta G, Sibal A, DAgostino D, Wirth S, Morhan N, Schwarz KB

Phenotypes of Chronic Hepatitis B in Children From a Large North American Cohort.
Schwarz KB, Lombardero M, Di Bisceglie AM, Murray KF, Rosenthal P, Ling SC, Cloonan YK, Rodriguez-Baez N, Schwarzenberg SJ, Hoofnagle JH, Teckman J, Hepatitis B Research Network (HBRN).

Abundant Expression of Lysyl Oxidase-like 2 Protein in Intrahepatic Bile Ducts of Infants With Biliary Atresia.
Honigbaum S, Zhu Q, Layman A, Anders RA, Schwarz KB

Sofosbuvir and Ribavirin Therapy for Children Aged 3 to <12 Years With Hepatitis C Virus Genotype 2 or 3 Infection.
Rosenthal P, Schwarz KB, Gonzalez-Peralta RP, Lin CH, Kelly DA, Nightingale S, Balistreri WF, Bansal S, Jonas MM, Massetto B, Brainard DM, Hsueh CH, Shao J, Parhy B, Davison S, Feiterna-Sperling C, Gillis LA, Indolfi G, Sokal EM, Murray KF, Wirth S

Ledipasvir-Sofosbuvir for 12 Weeks in Children 3 to <6 Years Old With Chronic Hepatitis C.
Schwarz KB, Rosenthal P, Murray KF, Honegger JR, Hardikar W, Hague R, Mittal N, Massetto B, Brainard DM, Hsueh CH, Shao J, Parhy B, Narkewicz MR, Rao GS, Whitworth S, Bansal S, Balistreri WF

Abundant Expression of Lysyl Oxidase-Like 2 Protein in Intra-Hepatic Bile Ducts of Infants with Biliary Atresia.
Honigbaum S, Zhu Q, Layman A, Anders RA, Schwarz KB

Management of Hepatitis C Infection in children in the era of Direct-acting Antiviral Agents.
Karnsakul W, Schwarz KB

Age, race and viral genotype are associated with the prevalence of hepatitis B e antigen in children and adults with chronic hepatitis B.
Di Bisceglie AM, King WC, Lisker-Melman M, Khalili M, Belle SH, Feld JJ, Ghany MG, Janssen HLA, Lau D, Lee WM, Ling SC, Cooper S, Rosenthal P, Schwarz KB, Sterling RK, Teckman JH, Terrault N, Hepatitis B Research Network (HBRN).

Seroprevalence of anti-HEV antibodies in migrants hosted at one shelter in Sardinia.
Clemente MG, Mauceri C, Grandi N, Dettori M, Arras M, Raspa P, Secchi G, Manetti R, Piana A, Schwarz KB, Castiglia P, Antonucci R

Transient c-Src Suppression During Endodermal Commitment of Human Induced Pluripotent Stem Cells Results in Abnormal Profibrotic Cholangiocyte-Like Cells.
Chaudhari P, Tian L, Kim A, Zhu Q, Anders R, Schwarz KB, Sharkis S, Ye Z, Jang YY

Biliary Atresia Relevant Human Induced Pluripotent Stem Cells Recapitulate Key Disease Features in a Dish.
Tian L, Ye Z, Kafka K, Stewart D, Anders R, Schwarz KB, Jang YY

Combination of Entecavir/Peginterferon Alfa-2a in Children With Hepatitis B e Antigen-Positive Immune Tolerant Chronic Hepatitis B Virus Infection.
Rosenthal P, Ling SC, Belle SH, Murray KF, Rodriguez-Baez N, Schwarzenberg SJ, Teckman J, Lin HS, Schwarz KB, Hepatitis B Research Network (HBRN).

Impact of Steroid Therapy on Early Growth in Infants with Biliary Atresia: The Multicenter Steroids in Biliary Atresia Randomized Trial.
Alonso EM, Ye W, Hawthorne K, Venkat V, Loomes KM, Mack CL, Hertel PM, Karpen SJ, Kerkar N, Molleston JP, Murray KF, Romero R, Rosenthal P, Schwarz KB, Shneider BL, Suchy FJ, Turmelle YP, Wang KS, Sherker AH, Sokol RJ, Bezerra JA, Magee JC, ChiLDReN Network.

Development of a Dietary Methyl Donor Food Frequency Questionnaire to Assess Folate and Vitamin B<sub>12</sub> Status in Children with Chronic Hepatitis B Virus Infection.
Mogul DB, Brereton N, Carson KA, Pittarelli M, Daniel H, Torbenson M, Schwarz KB

Expansion of the Liver Donor Supply Through Greater Use of Split-Liver Transplantation: Identifying Optimal Recipients.
Mogul DB, Luo X, Garonzik-Wang J, Bowring MG, Massie AB, Schwarz KB, Cameron AM, Bridges JFP, Segev DL

The Long Journey to Eradication of Hepatitis C Virus Infection Should Begin with the Smallest Victims.
Schwarz KB, Karnsakul W

Characteristics of Hepatitis B Virus-associated Hepatocellular Carcinoma in Children: A Multi-center Study.
Mogul DB, Ling SC, Murray KF, Schwarzenberg SJ, Rudzinski ER, Schwarz KB

Bone Density in Children With Chronic Liver Disease Correlates With Growth and Cholestasis.
Loomes KM, Spino C, Goodrich NP, Hangartner TN, Marker AE, Heubi JE, Kamath BM, Shneider BL, Rosenthal P, Hertel PM, Karpen SJ, Molleston JP, Murray KF, Schwarz KB, Squires RH, Teckman J, Turmelle YP, Alonso EM, Sherker AH, Magee JC, Sokol RJ, Childhood Liver Disease Research Network.

Analytical "bake-off" of whole genome sequencing quality for the Genome Russia project using a small cohort for autoimmune hepatitis.
Zhernakova DV, Kliver S, Cherkasov N, Tamazian G, Rotkevich M, Krasheninnikova K, Evsyukov I, Sidorov S, Dobrynin P, Yurchenko AA, Shimansky V, Shcherbakova IV, Glotov AS, Valle DL, Tang M, Shin E, Schwarz KB, O'Brien SJ

Efficacy and Safety of Peginterferon Alfa-2a (40KD) in Children With Chronic Hepatitis B: The PEG-B-ACTIVE Study.
Wirth S, Zhang H, Hardikar W, Schwarz KB, Sokal E, Yang W, Fan H, Morozov V, Mao Q, Deng H, Huang Y, Yang L, Frey N, Nasmyth-Miller C, Pavlovic V, Wat C

Neurodevelopmental Outcome of Young Children with Biliary Atresia and Native Liver: Results from the ChiLDReN Study.
Ng VL, Sorensen LG, Alonso EM, Fredericks EM, Ye W, Moore J, Karpen SJ, Shneider BL, Molleston JP, Bezerra JA, Murray KF, Loomes KM, Rosenthal P, Squires RH, Wang K, Arnon R, Schwarz KB, Turmelle YP, Haber BH, Sherker AH, Magee JC, Sokol RJ, Childhood Liver Disease Research Network (ChiLDReN).

Multiple glycolytic enzymes are antigens also in biliary atresia.
Clemente MG, Schwarz KB, Antonucci R

Postoperative Enteral Nutrition Guidelines Reduce the Risk of Intestinal Failure-Associated Liver Disease in Surgical Infants.
Shores DR, Alaish SM, Aucott SW, Bullard JE, Haney C, Tymann H, Nonyane BAS, Schwarz KB

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.

Rady Children's updates the Doctor Finder annually. We are not responsible for omissions or errors. Prior to making an appointment, please be sure to check with your health plan to confirm coverage. If you see an error or omission on a physician's profile page, please contact us at refsvc@rchsd.org.