Dr. Thomas Alfreda Jr., DO, MBA

Chief Medical Officer, Owner

Dr. Thomas Alfreda is an Internal Medicine & Age Management Specialist and Chief Medical Officer of Health4life. He co-founded Health4life Concierge Medical Clinic to offer his patients the special care and attention they deserve. Dr. Alfreda has bridged the gap between conventional medicine and a science-based, proactive approach to decrease the risk of age-related disease and lengthen health span for men and women.  

Dr. Harpreet Tsui

Dr. Harpreet Tsui, DO, FACOI, Dipl. of ABOM

Medical Director

Dr. Harpreet Tsui is a board-certified Internal Medicine Physician and Obesity Medicine Specialist. She will be joining Health4life on July 1, 2020! During medical school, she was drawn to the complexities of Internal Medicine and moved to Las Vegas to pursue her training.  Dr. Tsui focuses of disease prevention and believes a healthy lifestyle can lead to a longer life. 

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Kathryn Bonello

Chief Executive Officer

Kathryn Bonello is honored to serve as Chief Executive Officer of Health4life. She brings to the position a vast knowledge of the healthcare industry and a passion for the organization's mission. Health4life Concierge Medical Clinic was created is to provide patients the healthcare they deserve while receiving amazing customer service with each and every encounter. Kathryn is excited and honored to be a part of this amazing team. 


Ashley Sexton

Clinical Manager, Health4life

Ashley Sexton has been working as Dr. Alfreda’s right hand for over four years and is now the Clinical Manager for Health4life. Ashley strives to provide every patient with the highest level of care and treats everyone like family. She is a Nationally Certified Medical Assistant with her Associates in Healthcare Administration. When she’s not in the office you can find Ashley with her family, in the gym or cheering on her Vegas Golden Knights.


Tiffany Militante

Medical Assistant , Health4life 

Tiffany Militante is an expert in patient service and assisting Dr. Alfreda and our team with all medical procedures. Tiffany is honored to provide our patient population with the highest level of service. Tiffany loves working in the medical field and being a Health4Life team member! When she's not at work, she enjoys spending time with your dogs and family. 


Pedro Ontiveros

Phlebotomy Director , Health4life 

Pedro Ontiveros is our Phlebotomist of Choice! Pedro has 18 years experience in the Medical Field as a National Certified Phlebotomy Technician. He not only has a solid background in phlebotomy along with superior and professional people skills! Pedro has become an expert in collection and procession blood specimens according to established guidelines, protocol and safety procedures while maintaining an unfailing sanitary and safe workspace. He has strong knowledge of venipuncture procedures as well as proper blood draw order. Pedro has an amazing record of providing superior patient care to ensure outstanding patient experiences! He owns a life commitment to excellence in the field of Phlebotomy!


Dorina Tavernaro

Nurse Practitioner

More to come....


Mary Swanson

Billing Specialist, Health4life

Mary Swanson is the team Billing Specialist at Health4life. She’s been working on the administrative end of Healthcare for over 4 years now. It is her goal to provide all of our members with the best knowledge they need to utilize their health insurance and answer any and all billing questions! When Mary is not in the office, she enjoys hanging out and spending time with her family and friends!


Sierra Gradick

Medical Assistant & New Patient Coordinator , Health4life 

Sierra Gradick is a Medical Assistant who loves getting to know our patients and providing the best care. She has been in the medical field for the past 5 years and is loving every minute of it! When Sierra is not in the office she enjoys taking care of her son, spending time with family, and attending car shows! 


LaShonda Henley

Medical Assistant , Health4life 

LaShonda Henley is Medical Assistant at Health4life. She is from California and has graduated from The Bryman School Of Arizona with Associates in Medical Assisting. She has also earned her Bachelors Degree in Healthcare Administration from University of Phoenix. LaShonda strives to provide excellent patient care and she makes everyone feel great in the process! In her spare time, she likes to spend time with her family and does some modeling too! You can also find her cheering on her LA Lakers and LA Chargers!


Leanna Carter

Medical Assistant , Health4life 

Leanna Carter is Medical Assistant at Health4life. She is new to the medical field but has always had a passion in helping others. The highlight of her day is working hand-in-hand with the patients to provide the best patient care possible. On her off days, she enjoys spending time with her family and enjoys the outdoors.


Trevor Means

Medical Assistant , Health4life 

Trevor is Health4life's newest Medical Assistant! He started his medical career as an EMT in California and has worked in a wide variety of jobs within the medical field. Trevor takes pride in helping people and strives to make everyone feel welcome at Health4life. When he is not working, he is spending time with his wife and three daughters!

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Eurma Nevels

Medical Assistant , Health4life 

Eurma Nevels is our newest team member! Her bio and photo are coming soon!