Dr. Erick Alayo's special interests are those conditions that affect your liver and pancreas. In addition to his clinical skills, Dr. Alayo has a large experience in clinical research with many publications, awards and grants through his career. Dr. Alayo's gastroenterology practice is located Southern California and services the people of Chula Vista and San Diego.

We Practice Evidence Based Medicine

Evidence-based medicine (EBM) aims to apply the best available evidence gained from the scientific method to medical decision making. It seeks to assess the quality of evidence of the risks and benefits of treatments (including lack of treatment).

Judy is a Senior Clinical Research Coordinator with 19 years of clinical research experience, the past 10 years involve over forty phase II - IV clinical trials designed for individuals with gastrointestinal diseases. In addition to her research coordinator role, Ms. Barron has expertise in the regulatory requirements needed to conduct a clinical trial, She has extensive working knowledge of clinical research trials inclusive of procurement, program management, study start-up, recruitment tactics and challenges, clinical trial management, employee retention strategies, and audit processes. 

Marilyn is a Clinical Research Coordinator here at GastroSB with 8 years of helping Patients Coordinate their healthcare, and help find a perfect Trial in which suits them best. Specializing in Clinical Research trials with an emphasis in GI, Marilyn uses that experience to help move Science forward and create drug development while abiding by GCP & GDP.

"By focusing on our South Bay underserved community I'm proud to say that I've helped make a difference in reaching this population while providing quality health care to those uninsured/underserved". – Marilyn Rodriguez

Naria Le Mire is a bilingual registered dietitian (RD) from San Diego, CA. She began her educational endeavours by attending San Diego State University (SDSU) in California. Here she obtained her bachelor's of science (B.S.) degree in Foods and Nutrition in addition to a minor in Business Management. While a student, Naria enjoyed serving culturally diverse populations via volunteering in various groups including the Student Nutrition Organization (SNO) and Women Infants and Children (WIC). Moreover, her passion for research led her to work with various professors to further enhance her understanding of empirical data and research.

Following these achievements, she completed a comprehensive dietetic internship and passed the board exam by the Commission of Dietetic Registration (CDR) to become an RD. After serving the community for several years, Naria decided to further her education and return to SDSU. She decided to pursue a master's degree in public health (M.P.H.) with a focus in Health Promotion and Behavioral Science to better support her patients to achieve their health goals using sustainable lifestyle modifications.



Naria has vast experience serving culturally diverse populations from volunteer and work experiences. Naria has served patients with various health conditions including overweight and obesity, type two diabetes, cardiovascular diseases including hypertension, gastrointestinal disorders, food intolerances and more. Naria's passion resides in educating her patients to develop a healthy relationship with food via gradual lifestyle changes.