About Us
Dr. Quyen Trinh, a trusted Katy family physician, and his medical team are on a mission to help patients achieve their health goals.
At Mason Park Medical Clinic, our Katy family physician and medical practitioners take the time to get to know our patients. Part of being a whole health clinic is our emphasis on building relationships with our patients. We believe that developing strong, trustworthy patient-doctor relationships allow us to help our patients reach their overall medical and lifestyle goals.
MEET OUR TEAM
MEET OUR TEAM

Dr. Quyen Trinh, DO
Board-Certified Physician
Dr. Quyen Trinh is a compassionate Board-Certified Family Medicine Physician practicing accountable and evidence-based care since 1996. He provides acute and chronic care for patients ages five years and older.
Dr. Trinh is the recipient of numerous awards and recognition for his exemplary work in the field of medicine and patient care including,
- NCQA’s Diabetes and Heart/Stroke Recognition Programs
- TX Top Docs Award for 2020-2022
- Living Magazine’s Best of Reader’s Choice 2021 Award for Best Sleep Doctor
- America’s Best Doctor in 2021
- Texas Magazine’s Top Doctor 2021
These honors and commendations reflect Dr. Trinh’s approach to healthcare – to always put his patients first. Dr. Trinh’s mission is to help his patients reach their health goals to have a better quality of life. His whole-health approach, coupled with his commitment to building solid patient-doctor relationships, are well received and much appreciated by his patients.
Dr. Trinh graduated from Kansas City University of Medicine and Biosciences in 1996 and completed his Family Practice Residency at the University of Texas Health Science Center in 1999. Before becoming the Managing Physician at Mason Park Medical Clinic in Katy, he was a practicing physician and partner with Kelsey-Seybold Clinic for over 18 years.
Dr. Trinh moved to the Houston area in 1976 and is fluent in both Vietnamese and English. He enjoys playing golf, traveling, dabbling in gastronomy, and watching movies from Marvel Universe. He has been married to Angela since 1995, and they have three children, Ashley, Brandon, and Ryan.
Learn more about Dr. Trinh: Why I Became a Doctor of Osteopathic Medicine

Jenny Phan, PA-C
Certified Physician Assistant
Jenny is a Physician Assistant certified by the NCCPA and licensed by the Texas Medical Board and a key member of our Medical Staff since 2017. She completed her undergraduate studies in Nutrition at the University of Houston and received her Masters of Science in Physician Assistant Studies at Alderson Broaddus University. During her studies, she completed clinical rotations in multiple specialties as well as primary care.
Jenny is a dedicated and caring practitioner who listens to her patients and strives to help them live better lives. Jenny is fluent in both English and Vietnamese and cares for patients 5 years and older. When Jenny is not wearing her Superwoman Cape at work she enjoys spending quality time with her family and friends.

Natasha Youngblood
Board-Certified Nurse Practitioner
Natasha Youngblood is a board certified Family Nurse Practitioner (FNP) by the American Nurses Credentialing Center and is licensed by the Texas Medical Board. Prior to joining Mason Park Medical Clinic Tasha worked for 10 years in primary care at a rural health clinic. Tasha enjoys getting to know her patients and being a part of watching their families grow.
Tasha is an avid Star Trek fan and has named her children Star Trek names! Tasha enjoys spending time with her pilot husband (when he is home), and relaxing with her children and three cats.

Vanessa Robalino, PA-C
Certified Physician Assistant
Vanessa is a Physician Assistant certified by the NCCPA and licensed by the Texas Medical Board. She completed her undergraduate studies Microbiology and Cell Science at the University of Florida, and received her Masters of Medical Science with a Physician Assistant Certification at Nova Southeastern University in Davie, FL. Vanessa has been working in the past 12 years in the field of Geriatrics, Internal Medicine, and Family Medicine. She has a passion for caring for the elderly and their special needs.
Vanessa is a dedicated and caring practitioner who listens to her patients and focuses on providing the best care possible to achieve their best state of health, physically and mentally. Vanessa is fluent in both English and Spanish, and recently moved to the area of Katy with her family. When she is not at work, Vanessa loves spending time and caring for her family, and she enjoys trail walking in nature.

Rumesa Majid, PA-C
Certified Physician Assistant
Physician Assistant certified by the NCCPA and licensed by the Texas Medical Board and a key member of our Medical Staff since 2022. She completed her undergraduate studies in Finance at the Houston Baptist University and received her Masters of Science in Physician Assistant Studies at Western University of Health Sciences. Rumesa completed clinical rotations in multiple specialties as well as primary care. She has worked in primary care and wound care.
Rumesa is fluent in English, Spanish, and Urdu. When she is not working, Rumesa loves spending time with family and friends.

Alexandria Enoch, FNP-C
Board-Certified Nurse Practitioner
Allie Enoch is a board certified Family Nurse Practitioner (FNP) by the American Academy of Nurse Practitioners and is licensed by the Texas Medical Board. She completed her undergraduate studies as an Exercise Specialist and received her Masters of Science in Nursing at the University of Colorado. Prior to joining Mason Park Medical Clinic she worked in urgent care, women’s health and adolescent medicine. She also brings specialized training as a forensic nurse in child abuse and sexual assault.
When Allie is not busy at work taking care of her patients, she likes to spend quality time with her family and enjoys yoga.

Viviana Escobar
Physical Therapist
Viviana is a Licensed Rehab Specialist in Physical Therapy, Therapeutic Massage and other techniques that target pain relief, stress relief and relaxation. She has been treating patients and clients for over 20+ years and customizes a treatment plan to treat neck pain, back pain, knee pain, tennis elbow, Achilles tendonitis, plantar fasciitis, and much more. She enjoys helping her clients with relaxation and specialized massage therapy treatments.
Viviana is a patient favorite and truly cares about helping her patients and clients achieve a better quality of life through more flexibility, less pain, renewed strength and less stress. Viviana is a busy career mom and when she is not working enjoys spending time with her family and friends.

Angela Trinh
VP Operations
Angela brings over 25 years of business management experience and retired from a career at a Fortune 500 energy company to support the Medical Clinic and expand the services to include the new Medical Spa. Her resume includes working at prestigious firms such as KPMG, Koch Industries and most recently as Head of Strategic and Direct Sales at Direct Energy.
Angela has a passion about caring for others and wants every patient that walks into the Medical Clinic and Medical Spa to feel that their health matters. She believes that the patient’s health comes first and that it is important to take care of yourself inside and out!
Angela is a busy mom of three and enjoys spending quality time with her family and friends. She also enjoys reading, traveling, fashion and is a huge foodie!

Kelly Guerrero
Clinic Director
Kelly has been a part of the Mason Park Medical Clinic family for over 20 years! She has worked in every capacity from front office, medical assistance and billing! Her exceptional work ethic, can-do attitude and compassion for our patients and her colleagues make her an ideal Billing Manager and Office Supervisor.
Outside of the office, Kelly enjoys spending time with her family. She is happily married and has two beautiful children. Kelly is also an avid book reader and, on some occasions, physical conditioning! Just don’t ask her to run a marathon anytime soon.

Kim Copeland
Front Office Supervisor
With over 30 years of experience in the medical field, Kim is an excellent addition to the Mason Park Medical Clinic team. She is passionate about our patients and ensuring they have a good patient experience. She wants to hear your feedback even if it means there are opportunities to improve our care.
When Kim has time for herself she enjoys spending time with her family and friends.

Madison Martinez
Medical Assistant Supervisor
Madison graduated from the Pima Medical Institute in 2018 and is an integral member of the Mason Park Medical Clinic family! Madison has grown in the short time here and is the MA Supervisor. She is responsible for patient care and supervising the day to day MA day duties. Madison is an extremely hard worker and a great colleague to work with. She always puts our patients first and will make time to support her fellow colleagues. She is a proud Texan, born and raised in Houston and now calls Katy, Texas her home!
When Madison is not at work and has free time, she loves to draw and relax with her dog.

Briana Tyler
Medical Assistant
Briana has been a part of the Mason Park Medical Clinic family for over four years. All of our patients love Briana as she is warm and caring with a ready smile and always wants to know how our patients are doing. She works very closely with our providers to deliver outstanding patient care and always puts their needs first. As our Lead Medical Assistant, Briana is responsible for patient care and partners with Madison to coach and train the MA staff. She also coordinates patient referrals and provides patient lab results as well as ensuring the clinic does not run out of office supplies.
In her spare time, she is an avid reader, an amateur photographer, and enjoys spending time with her family.

Jennifer Guevara
Medical Assistant
Jennifer has been in the medical field for over 20 years. She enjoys helping people and strives to do the best for patients. In addition to her skills as a medical assistant, she is also a certified surgical technician and BLS/CPR certified. Jennifer is a patient favorite and is responsible for giving patient results and collaborating with them on provider’s recommendations for improving their health.
Jennifer is originally from far West Texas and moved here a year ago to be closer to her family. She loves spending time with family and shopping when she is not working.

Karen Volquez
Medical Assistant
Karen graduated from Sanford-Brown College for Medical Assisting and her love for patients encouraged her to go back to school to become a Patient Care Technician. Karen is a patient favorite and is responsible for patient care, prior authorization and managing the RX sample supply room. Karen brings to our office color, joy and a great attitude to our team! She ensures our patients feel happy and loved even if they are sick. Karen always says, “A dream doesn’t become reality through magic; it takes sweat, determination and hard work.”
In Karen’s free time she enjoys creating beautiful hair styles and spending her time with her 3 amazing kids!

Bibiana Vallone
Medical Assistant
Bibiana was born in Argentina and has been a Medical Assistant for over 15 years. She was working in Henry Ford Hospital and Grosse Pointe Urgent care in Michigan until she moved to Texas. She is fluent in English and Spanish. Bibiana loves to work in the medical field, is very friendly and enjoys helping our patients.
When Bibiana isn’t working, she enjoys spending time with her family, friends and two dogs that she loves. Bibiana’s dream is to have a shelter for animals.

Zhane Cornish
Medical Assistant
Zhane was born in the Bronx,New York. She has lived in Orlando, Fl , Warner Robins, Ga and now she is currently located in Houston, Texas. She has been a medical assistant for 8 years and truly enjoys helping people. Zhane has worked for different specialties including pediatric , pain management and primary care ( with primary care being her favorite).
When Zhane Isn’t working she enjoys spending time with her significant other and Four amazing children, exploring the world and making new memories

Optimus Prime
Patient Experience Specialist
Optimus Prime understands the importance of “Prime-ary” care! He is one of the first friendly faces you see when you enter our doors. He is our faithful team mascot and is truly passionate about your experience at our clinic. He welcomes patients to our clinic, manages our feed-back surveys, and loves to take photos with our patients and guests.
When Optimus is not busy at work, he moonlights using his Cybertronian mode as a semi-truck. His favorite past-time is sparring with Megatron, the Decepticons leader, and saving the world along the way!

Kaylie Lopez
Patient Experience Specialist
Kaylie was born and raised in Houston, Texas. She is one of our front office patient care specialists and is currently going to the University of Houston-Downtown majoring in Spanish with a minor in Gender Studies. She is in charge of helping patients with their Medical Records and Referrals and you will occasionally find her in a room checking your blood pressure and temperature!
When Kaylie isn’t working, she enjoys going to the museum, studying and rescuing animals!

Griselda Quijas
Patient Experience Specialist
Griselda was born and raised in Los Angeles, California. She was a teacher for 11 years and found she has a passion for caring for others. This developed into a love for patient care when she went to school to be a phlebotomist. Griselda is a patient favorite and works in our Front Office responsible for checking in and out our lovely patients and is our Medical Record Coordinator.
Griselda is a busy mom and loves to spend time with her daughter and two dogs!

Luong (Leo) Nguyen
Patient Experience Specialist
Leo was born and raised in Vietnam before he set foot in Houston Tx. He is a new addition to the front office team. Leo is one of the Vietnamese translators at the office. He is currently pursuing a degree in Finance at the University of Houston Downtown.
Leo spent his free time cooking and visiting the latest restaurants in town.

Tuyet (Thi) Nguyen
Patient Experience Specialist
Thi was born in Vietnam, but raised in Houston Tx. She is currently new to the front office position as a Vietnamese translator. She is currently in school to become a Veterinarian hoping to transfer to Texas A&M School of Veterinary Medicine.
Outside of work she enjoys spending time with her family and friends.

Valencia Jasman
Patient Experience Specialist
Valencia was born and raised in Lafayette LA. She and her son transitioned to Katy TX for a change. She comes to Mason Park Medical Clinic with 20 plus years of Customer Service Experience and 5 years of Front Office Assistance. She’s very versatile and loves to provide great patient care.
Outside of work she enjoys shopping and spending time with her son

Anita Balderas
Front Office Supervisor/Medical Billing Specialist
Anita is a long time Mason Park Medical Clinic team member, who’s work ethic, responsiveness, and dedication to patient care makes her ideal in the Billing Department!
When Anita is not at work, she enjoys spending time with her family. She is a busy career mom to 5 children and happily married for over 11 years. She loves reading a good book and binging on movies on Netflix!

Ashley Trinh
Medical Billing/Coding Specialist
Ashley does double duty and is currently a full-time student while working as a billing and coding specialist. She has been a valuable team member helping to complete multiple billing projects on time. Ashley is very creative and loves to spend time on her many hobbies including various arts and crafts, gaming, sampling different foods, and traveling around the world. Her favorite destination is Japan, and she has been there multiple times.
When she has free time she enjoys quality time with her family, friends, and multiple pets.

Jaqueline Candanoza
Medical Spa Supervisor/Injector
Jaqueline was born and raised in Houston, Texas, and has been a medical aesthetician, injector, and certified laser technician for over eight years. She joined the cosmetology field because the beauty industry is constantly growing. There’s always room to learn and improve her skills.
She loves helping others feel better about themselves and gain self-confidence. She firmly believes that self-care is an important part in improving your mental health.

Sana Kultumanova
Medical Aesthetician/Certified Laser Tech
Sana is from Katy, Texas. She has over six years of experience as a medical aesthetician and certified laser technician.
Sana’s passion is educating her clients on the best treatment plan and proper skincare routine. The best part about her career is seeing how a simple facial can positively impact someone’s life by letting them unwind, relax and feel good about themselves.

Nellie Villa
Medical Aesthetician/Certified Laser Tech
Nellie is a new transplant to Houston, all the way from Chicago, IL. With 4 years of experience and a background in esthetics, she aspires to become an aesthetic nurse. Nellie is very passionate about creating a custom skincare experience for every client who walks through our door. Her main goal is to build confidence and care for the skin with a healing touch.
When Nellie’s not at the spa helping clients achieve healthy glowing skin, you can find her at the clinic providing quality patient care as a medical assistant or somewhere in the halls filming TikTok’s with Dr. Trinh and the team!

Lauren Wood
Front of House/ Licensed Cosmetologist
Lauren Wood was born in Mobile, Alabama and raised in California,Texas, Arizona and Florida. Lauren has over 10 years of wide ranging experience in the field of Cosmetology with a focus on Hair Cut Design, Hair Coloring, Lash Lifts, Lash Extensions, Brow Lamination, Makeup Art, Special FX makeup as well as hair and makeup design in film & television.
Lauren is Front of House for LUXE Medical Aesthetics and loves the opportunity to engage with all of our clientele. She also appreciates the collective knowledge of her teammates and the aesthetic educational opportunities it allows. In her time away from LUXE, she is a mother to her daughter, Evelyn, and also works in front of the camera as an actress and print model through her agency.
Invest in a Katy Family Physician You Can Count On
At Mason Park Medical Clinic, we firmly believe the patient’s relationship with the doctor and medical staff should be solid and trustworthy. That’s why we strive to earn the trust of every patient who visits our Katy primary care clinic.
Too many patients and doctors are complacent with the current quality of care, which is not the case at our clinic. We work closely with our patients to customize treatment plans to help them live longer and healthier lives.
Come visit us. Our Katy family physician and general practitioners would welcome the opportunity to take care of your health care needs. You can make an appointment by calling (281) 646-0740 today.

Invest in a Katy Family Physician You Can Count On
At Mason Park Medical Clinic, we firmly believe the patient’s relationship with the doctor and medical staff should be solid and trustworthy. That’s why we strive to earn the trust of every patient who visits our Katy primary care clinic.
Too many patients and doctors are complacent with the current quality of care, which is not the case at our clinic. We work closely with our patients to customize treatment plans to help them live longer and healthier lives.
Come visit us. Our Katy family physician and general practitioners would welcome the opportunity to take care of your health care needs. You can make an appointment by calling (281) 646-0740 today.

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