Attending Physician

Adjunct Clinical Associate Professor of Pediatrics, Keck School of Medicine of USC
  • Summary
  • Publications
  • Research
  • Locations

Clinical Interests

Pediatric gastrointestinal liver diseases.

Education

Medical School: 

Saint Louis University School of Medicine

Internship: 

Children's Hospital Los Angeles: Pediatrics

Residency: 

Children's Hospital Los Angeles: Pediatrics

Fellowship: 

Children's Hospital Los Angeles: Pediatric Gastroenterology

Accomplishments

Certification: 

Pediatrics and Pediatric Gastroenterology: American Board of Pediatrics

Professional Memberships: 

American Academy of Pediatrics, North American Society for Pediatric Gastroenterology & Nutrition, American Association for the Study of Liver Diseases

Awards: 

Children’s Hospital Los Angeles Research Institute Poster Session, 2000; Pasadena Top Doctors, 2011

Publications: 

Yamaga A and Ou J-H. Membrane topology of HCV NS2 Protein. Hepatology, 34(4) Part 2: 560A, Abstract 1552, 2001.

Pietzak MM, Wolfe A, Rongey C, Thomas DW, Bergwerk A, Duh GZ, Naon H, Quiros A, Sinatra FR, Yamaga A, Pitukcheewanont P, Fisher L, Devoe D, Krantz J, Monarch E, Berti I, Gerarduzzi T, Thorpe M, Kryszak D, Horvath K, Fasano A. Celiac disease in at-risk groups in southern california. Gastroenterology, 122(4): A181, Abstract S1199, 2002.

Yamaga AK, Choi J, Ou J-H. Effects of ribavirin and interferon on the replication of the hepatitis c virus subgenomic RNA replicon. International Symposium on Hepatitis C & Related Viruses (San Diego, CA): 100, 2002

Yamaga AK, Ou J-H. Membrane topology of the hepatitis c virus NS2 protein. Journal of Biological Chemistry, 277: 33228-33234, 2002.

Roundtree BC, Bergwerk A, Naon H, Pietzak M, Sinatra F, Yamaga A, Kovanlikaya A, Thomas D. Scoping out childhood recurrent abdominal pain (RAP). Gastroenterology 124(4) Suppl: 163, Abstract M1724, 2003.

Research Interests: 

Major areas of interest, include: molecular studies with liver and gastrointestinal disorders. Ongoing research studies, include: 1. Molecular microbiology of the nonstructural 2 protein of the Hepatitis C. Virus. 2. The role of small intestinal bacterial overgrowth in children with chronic abdominal pain.

Children's Hospital Los Angeles

4650 Sunset Blvd.
MS #78
Los Angeles, CA 90027
Phone: 323-361-2181Office
Fax: 323-361-3718Fax

CHLA - Arcadia

468 E. Santa Clara St.
Arcadia, CA 91006
Phone: 626-795-7177Office
Fax: 626-357-4052Fax

CHLA - Pasadena

630 S Raymond Ave.
Unit #310
Pasadena, CA 91105
Phone: 323-361-3690Office