Serenity MD Chino

About Us

Our Team

MD Diet of Chino offers qualified guidance and support for safe and long-lasting results.

We believe in a diverse range of personnel to bring creative skills, thoughts, and ideas to the table.

Roland M. Fuertez M.D.

Board Certified Physician

Dr. Roland M. Fuertez is Board Certified by the American Board of Family Medicine as well as by the American Board of Internal Medicine in Geriatrics. He completed his residency at the Somerset Family Medicine Program in Somerset, NJ. Dr. Fuertez completed his Geriatrics Fellowship at the University of Medicine and Dentistry of New Jersey. He is the former Chief Resident at the Somerset Family Medicine Residency.

As a board certified Geriatrician, Dr. Fuertez has an in depth understanding of the problems that need to be addressed earlier in life to bring about a graceful aging process. We have transformed our practice to guide patients towards a more active and youthful lifestyle. Outside of the office, Dr. Fuertez enjoys spending time with his wife and two kids. He enjoys activities such as bodyboarding and running. I look forward to caring for the needs of our patients from a new and personalized perspective.

Tammy Yates

Director of Operations, CPT-1, CET, CCMA

Tammy has been in management for over 20 years, starting with a retail chain as Store Manager and becoming a District Trainer and winning Top Store Manager in her Region. She furthered her education in the medical field earning her certifications as a CPT-1, CCMA and CET, she has enjoyed being in the medical field since 2011.

She is very strong with leadership and organization and always works with the physician and staff to make sure your experience with our office is an enjoyable one that you want to tell friends and family about.

Narilyn Nop


Narilyn is a board-certified family nurse practitioner. She obtained her Bachelor of Science in Nursing at West Coast University, and her Master of Science in Nursing at Western University of Health Sciences. She has been in the healthcare industry since 2011, developing a passion for health, wellness, and beauty. Narilyn has a passion for restoring and preserving natural beauty through a combination of non-invasive treatments. Trained closely by Dr. Fuertez and Allergan, she has specialized in mastering and combining multiple treatments including injectable, lasers, and other skin-tightening techniques.
Narilyn can guide you in creating an effective, customized treatment plan based on your aesthetic goals. She is committed to providing every patient with an exceptional, transformative experience. With her attention to detail and perfectionist mentality, Narilyn will do what it takes to help you achieve your desired goals.

Rebecca Armas

Physician Assistant

Rebecca is a southern California-native who is a licensed Physician Assistant with the California Physician Assistant Board. As a prior family medicine provider, she understands the importance of a healthy lifestyle to maintain beauty from the inside out. Her passion for aesthetics is centered in understanding patient specific cosmetic goals and tailoring treatments to achieve personalized results. Rebecca uses non-surgical procedures as a form of preventative medicine for patients to age gracefully, while highlighting and preserving the natural beauty of each individual.

When she isn’t working she enjoys baking, visiting the beach, and spending time with her husband and Great Dane.

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