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Meet The Team

meet the team


Greetings, I am one of the people who takes care of our patients before, during and after surgery. Sí, hablo español. If there is an in office procedure, I am the person who sets up for the case and assists during the procedure. After surgery, in office, hospital or surgery center you will meet me during your post- surgery care. I strive to be the best nurse I can be in providing excellent patient care! I believe that compassion and kindness to patients helps in creating a one of a kind experience. Nursing has always been a passion of mine for as long as I can remember. I was born and raised in the Central Valley and shortly after high school I started a family of my own. I graduated from Unitek College and became licensed vocational nurse (LVN). My prior experience includes working in a Post Acute facility from which I bring considerable experience. Later, I worked as an after surgery care nurse, providing home care for patients immediately after surgery. I love meeting and caring for new patients and being able to help and teach them to care for themselves throughout their journey of healing. When I am not working, I enjoy spending time with my family & friends, traveling, decorating, dancing and of course my other passion:singing. I have had the privilege to sing for many of my patients and just to see the smile it puts on their face, brings me great joy.


Glad to meet you! If you visit our Brentwood office, I sure we will meet. Sí, hablo español. You may also meet me over the phone, since I am responsible for scheduling your appointments and procedures in Brentwood. My objective is to ensure that our patients are happy and achieve their goals in terms of reconstructive and/or aesthetic wishes. I was born and raised here in the east bay. Being in the medical field has always been an important goal to me. I attended Heald in 2014 and the Contra Costa Medical Career College in 2016 where I obtained my Medical Assisting Certification. Though I am the newest member of the team, I come with significant experience from working previously with a prestige and busy vein specialist clinic and also from working in the area of internal medicine. The best part in working with Dr. Moulton-Barrett and his staff at Brentwood Laser & Aesthetics is joining a group which focuses on providing the best possible patient satisfaction.

Angel Romero

Greetings, my name is Angel Romero and I am in training to become the office manager for Dr Moulton-Barrett. Sí, hablo español. I am your go to person for any issues regarding scheduling procedures. Please contact me regarding any obstacles which might prevent you from experiencing a superior and less stressful experience during your care and/or procedures. I reside in Alameda near Alameda Hospital, where our Alameda office is located. My hobbies and outside interests include photography, hiking, watching movies and of course spending time with my husband and my lovely three children. I am a native California, born and raised in Monterey County. After graduating from High School with high honors, I achieved an Associate of Science in Medical Assisting and then I returned home to join a bariatric surgery team in Monterey followed by Family Health & Wellness Center which included a management position training new employees as well as providing technical support for computer systems.


Welcome, I am the patient care coordinator for the Brentwood office and my highest priority is to ensure every step of our patient’s care is well organized, personable and leaves a person feeling great about themself. Should you have any questions regarding appointments, procedures or simply want to know how to find us please do not hesitate to call me at our Brentwood office. As a local and native to east bay, I attended Contra Costa Medical Career College, where I received a certificate in Clinical Medical Assisting. My previous clinical experience includes working as clinical medical assistant in dermatology and then plastic surgery for over several years. Since working with Dr. Rex Moulton-Barrett, what I have enjoyed the most is his strive to make sure that every single patient has enjoyed their visit. In my spare time, I enjoy being surrounded by family and friends and I love to cook.

Keely Tietjen, PA-C

Greetings! I am a Certified Physician’s Assistant and I am delighted to be part of this team. I feel fortunate to have been born and raised in the Bay Area. I attended the University of California at San Diego for my undergraduate work, and subsequently received my Master’s degree from James Madison University in Physician Assistant Studies.

 You will find me at both the Alameda and Brentwood offices as well as in the operating rooms at Alta Bates Medical Center and San Leandro Surgery Center. Our team is dedicated to providing you with the highest standard of medical care and I have a passion for my work. My areas of interest include surgical assisting with Dr. Moulton-Barrett and managing patients after surgery. I also evaluate patients for Otolaryngology and Head and Neck complaints. Separate from the above, I provide the full spectrum of Medispa treatments including cosmetic injectables such as Botox and most of the dermal fillers. Additionally, I perform laser hair removal, resurfacing and vessel reduction, CoolSculpting, ThermiVA, Profound cellulite therapy and Profound skin tightening, as well as providing complimentary skin care consultations. I believe strongly in maintaining continued medical education, in order to keep current and to advance my skills in what is the changing and dynamic world of aesthetic medicine and plastic surgery.

My family and friends reside in the Bay Area, and I am excited to live and work in one of the most beautiful places on earth. I enjoy the outdoors, hiking, exploring “wine country,” listening to live music, and I have a soft spot for dogs, especially Boxers! 

Lisa Derita RN & Licensed Esthetician

I received my Bachelors of Science in Nursing from St. Mary’s College/Samuel Merritt College in 1993. Following nursing school I started my career as a medical surgical nurse for 5 years then moved to Ambulatory Care Setting. Just after getting a Aesthetician license in 2000 I joined Dr Moulton-Barrett at Brentwood Laser & Aesthetics where I have received extensive training and education in medical and aesthetic treatments. In 2004 I traveled to the World Plastic Surgery Congress in Monaco as a clinical laser specialist to demonstrate and present the cutting edge of innovative technology using the Sciton Erbium and NdYag laser.

I have particular interest in anti-aging medicine and procedures. In 2004 I worked with Allergan as a nurse injector to teach physicians and staff techniques for the injection of BoTox. I have striven to obtain higher education and continue to research new techniques to add to specialized and artistic treatments. My detailed experience includes the use of dermal fillers, volumizers such as Radiesse and Sculptra and also permanent fillers ie Artifill. I strive to keep current with effective skin products and chemical peels to remove damaged skin, to treat problematic skin like rosacea, acne, hyper-pigmentation and sensitive skin types.

I remain passionate towards teaching the public regarding the importance of skin care and skin cancer prevention. Patient care, I regard as a privilege. It is my goal to assist my clients in reaching their desired natural beauty.


Well , Hi there! I am the main person who takes care of our patients after they have surgery and in their home. Sí, hablo español. I have the advantage of being take care of his patients on a one on one basis, I pick them up from the surgery center and take care of them in their homes and I make sure before I leave the family are well trained, calm and confident of what needs to be done. Our prectice uses modern pain reducing therapies including: pain pumps, surgical beds to prevent tension on wounds, or the drug Exparel, which is placed during surgery, for 4 days, to block pain and oral muscle relaxants to reduce the source of pain. I care for our patients during their worst moments and try to keep their spirits up, while making sure they feel comfortable, safe and cared for. I watch to make sure lungs stay inflated, legs remain mobile and in compressive stockings, oxygen levels are adequate and blood pressure never too high. Becoming a nurse is one of the most selfless acts a person can undertake. In a society of so many different races, cultures, customs, and beliefs, we are universal and dedicated to the work that we do. I started my love for medicine as a reproductive health specialist for Planned Parenthood, for 10 years. That was my gateway to becoming a nurse. I knew I found my calling and my passion. I went to school at Gurnick Academy Of Medical Art in Concord, CA ,and received my license to become an LVN. Very often we underestimate the power of a touch, a smile, a kind word, a listening ear, an honest compliment, or the smallest act of caring; all of which have the potential to turn a life around. When not working I make sure to spend quality time with my family and friends, especially my daughter. We love to go camping, hiking,and house-boating.


Hello, you may meet me at the front desk in our Alameda office, or over the phone to confirm your appointment or to confirm your scheduled the date of surgical appointment. Alternatively, we may meet during an in office procedure where I am the person who orders and makes sure all the supplies needed for your procedure are in place. I also make sure the office is always OSHA compliant before and after any and all in office surgical procedures. As a native of San Francisco. I received my CCMA in San Mateo. Part of my CCMA training included the administrative part of patient care as well as surgical procedures I’ve always had an interest in plastic surgery. To me it’s a beautiful work of art. Working for Dr. Rex Moulton-Barrett, I can’t get enough of his beautiful work. I am a mother to a bright young girl whose goal is to become a pediatrician. If we’re not at the library or enjoying one of our shows we are grabbing a bit with friends or family.

To schedule your one-on-one consultation with Dr. Rex Moulton-Barrett



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2070 Clinton Ave, Alameda, CA 94501

(510) 379-7919

1280 Central Blvd, Suite J-5, Brentwood, CA 94513

(925) 350-8752