Now Offering Telemedicine
Committed to your health in this time of crisis
Meet Our Team of Gastroenterologist & Nutritionists
Our staff is licensed and has over 20 years of experience.
Meet Erick Alayo, M.D.
Gastroenterologist
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 servces 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).
Professional Memberships
What Our Patients Are Saying About Dr. Alayo
Losing weight was very difficult for me until I came to Dr. Alayo’s clinic. I lost 11 pounds in one month with diet modification and weight loss medications.
Diet Testimonial – B.S., Patient
I am very grateful with the service that Dr. Alayo and his staff provided to me.
Weight Loss Clinic Testimonial – J.J., Patient
Top of the line staff very friendly and willing to cooperate with any unexpected changes. Dr Alayo is very professional. Happy to be his patient.
Weight Loss Clinic Testimonial – A.D., Patient
Meet Romina Waisbaum
Registered Dietitian
Romina is a Registered Dietitian with the Commission of Dietetics and an active member of the academy of Nutrition and Dietetics with over 10 years of experience in the field. She has worked in a variety of healthcare facilities for WIC, Fresenius, Da Vita, Sea-mar CHC among others counseling patients on food and nutrition. Her passion is to teach her patients to make life lasting changes.
Romina is also a Certified Dietitian in the State of Washington and a Licensed Dietitian in the State of Georgia. She holds a Master’s degree in nutrition from Georgia State University and a bachelor’s degree from the Hebrew University of Jerusalem. She is fluent in Spanish and Hebrew.
Nutrition Consulting
It is done in a friendly environment combining the most cutting-edge information and resources with an organic approach. Each weight loss session is as unique as you are.
Our dietitian will provide you with educational materials that will guide your personalized plan and will help you implement new eating habits and easy healthy routines to warraty benefits that will last you a lifetime.
Our dietitian will start by calculating your ideal weight and will work with you towards achieving your goal.
Our meal Planning is personalized; based on the patient medical conditions, caloric needs and food preferences.
We address the root cause by providing guidance and support. A well-experienced registered dietitian does your coaching and helps you in every step of the way until you reach your goal.
Yazley Almazan
Yazley Almazan
Our Nutritionist Yazley Almazan from Corona, Ca came to San Diego to pursue her education in Dietetics. She completed
the Didactic Program in Dietetics accredited by The Accreditation Council for Education in Nutrition and Dietetic (ACEND)
at San Diego State University. During her undergraduate study, she was also involved in projects such as The
Sustainable, Optimized Urban and Latino-driven Agriculture (SOULA) project aiming to find innovative solutions to food
security with the incorporation of indigenous knowledge; and conducted further research along with a professor regarding
food insecurity in San Diego within the Latino community. After graduating with a B.S degree in Foods and Nutrition and
minor in Biology she completed her Dietetic Internship with KADDI.
Yazley has previous nutritional experience at Planned Parenthood Orange and San Bernardino County WIC working with
families, mothers, and children under the age of 5. She has also previously worked with renal patients undergoing dialysis
at DaVita, one of the nation’s largest dialysis companies. And has treated patients with various medical conditions
including: Obesity, Diabetes, High Cholesterol, Heart Disease, IBS, IBD, etc at a community clinic in Chino, Ca.
Here at Gastro SB, our nutritionist will assess your nutrition condition by using your nutrition-related history,
anthropometric measurements, and lab results to determine a nutrition diagnosis. We will counsel you based on your
diagnosis then together with you, we will develop a personalized plan involving consistent follow ups with our nutritionist to
help you reach your weight loss goals. It is my goal, as a nutritionist, to enable my patients to reach their goals and
become self-sufficient by providing education, support, and a sustainable plan.
What Our Patients Are Saying About Romina
I am very happy with the results, I lost 18 pounds in one month with diet recommendations from Romina together with medications prescribed by Dr. Alayo. I highly recommended them.
Diet Testimonial – S.M., Patient
I tried other clinics in the past and finally got results!! I have lost 10 pounds in 2 months with diet recommendations from Romina.
Diet Testimonial – P.M., Patient