Assistant Professor of Pediatrics
Division of Endocrinology
210-567-5283

Education:
BS, Psychology, Washington and Lee University, Lexington, 2002
M.D., University of Texas Health Science Center, San Antonio, 2007

Training:
Fellowship, pediatric endocrinology, The University of Texas Health Science Center at San Antonio, 2010-13

Pediatrics Residency, University of Texas Health Science Center, San Antonio, 2010

Board Certification:
Pediatrics, 2010- current; Pediatric Endocrinology, 2013- current

Recent Publications:
Daley Jean Pierre, Tangpricha Vin, Kelly A, Rayas MS, Hughan Kara. Vitamin D deficiency and its Treatment in Cystic Fiborsis Journal of Cystic Fybrosis 2019 Oct; 18:S66-S73

Kara Hughan, Andrea Roe, Andrea Kelly, Jean Pierre, Tanicia C. Dailey, Maria S. Rayas. Female Reproductive Health in Cystic Fibrosis J Cyst Fibros 2019 Oct;18:S95-S104

Rayas MS, Kelly A, Hughan KS, Daley T, Zangen D. Adrenal Function in Cystic Fibrosis J Cyst Fibros 2019 Oct;18:S74-S81

Rayas MS, Wiley-Courand DB, Lynch JL, Guajardo JR. Improved Screening for Cystic Fibrosis-Related Diabetes by an Intergrated Care Team Using and Algorithm Pediatric Pulmonary 2014 Oct;49(10):971-977

PCORnet Antibiotics and Childhood Growth Study: Process for Cohort Creation and Cohort Description. Acad Pediatr. 2018 Mar 15. pii: S1876-2859(18)30087-1. doi: 10.1016/j.acap.2018.02.008. (Rayas, MS)

Block JP, Bailey LC, Gillman MW, Lunsford D, Boone-Heinonen J, Cleveland LP, Finkelstein J, Horgan CE, Jay M, Reynolds JS, Sturtevant JL, Forrest CB; PCORnet Antibiotics Childhood Growth Study Group. (Rayas, MS)

Prevalence of suspected nonalcoholic fatty liver disease in lean adolescents in the United States. Selvakumar PKC, Kabbany MN, Lopez R, Rayas MS, Lynch JL, Alkhouri N. J Pediatr Gastroenterol Nutr 2018 Mar.

Rayas, M. Cystic Fibrosis Related diabetes. Section on Endocrinology American Academy of Pediatrics Spring Newsletter 2012; 22:3-5

Rayas M, Willey-Courand D, Lynch J, Guajardo J. Improved screening for cystic fibrosis-related diabetes by an integrated care team using an algorithm. Submitted for publication Pediatric Pulmonology 2014.

Poster Presentations:
“Persistent Hyperinsulinemic Hypoglycemia of Infancy due to a mutation in HNF1A.” Gonzalez C, Hutchins J, Rayas M. Pediatric Endocrine Society for Texas, Oklahoma, Louisiana and Arkansas (PESTOLA) Regional Meeting, Jan 2015, Dallas TX

Presentations:
“Doctor’s Day–How to have a career in medicine.” Presentation given to Memorial High School Students (250 in attendance), Mar 2015

“Health and Wellness.” Motivational graduation speech given to participants of a 12-week wellness program at the Y-Living Center (150 in attendance), invited speaker, Dec 2014

“Differences in Type 1 and Type 2 Diabetes.” Television Interview on “San Antonio Living”, Nov 2014

“Pediatric Type 1 Diabetes.” Nurse Practitioners Lecture, Oct 2014

“Basic Pumping.” Lecture given at the Juvenile Diabetes Research Foundation Regional Meeting, May 2014 “Pediatric Diabetes.” Nursing student Lecture, UTHSCSA, Jan 2014

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