Kristen Laurella, ARNP is a family nurse practitioner, and board certified ER nurse. She receive her Master of Science in Nursing from South University in GA. Ms. Laurella has more than 18-years’ experience in nursing and health care. She holds expertise in health assessments and diagnosis evaluations to properly provide a detailed and comprehensive care plan. She specializes in acute care, emergency care, and critical care. Ms. Laurella also manages gynecological care and pediatrics. Most recently, she is trained in many aesthetic treatments.

Additional Certifications Include:

  • ACLS
  • BLS
  • PALS
  • NRP
  • TNCC
  • ENPC
  • BCEN

While Laurella has all the solid grounding in medicine, she will also be extending her training with A4M this year to include many non-invasive and integrative therapies to keep our amazing patients looking beautiful inside and out. She is welcoming and looking forward to being a part of your health journey!


Lisa Guyer, Board Certified Health Coach, and CEO of Live Longer Medical Center has studied nutrition through a dietetics program at IU and Purdue as well as attending multiple post graduate programs over the last 15 years to further her education in the field of healthy eating. She has co-authored a cookbook, The Gift of Health along with a video. Lisa has been the Co-Founder and the Director for the Guyer Institute for 20 years where she assisted patients from all over the world looking for root causes of illness and analysis to encourage successful healthy living.

Additional Credentials Include:

  • 20 + years in integrative and anti aging medicine
  • Participation in the care of over 200,000 patients
  • Extensive training through A4M
  • Certified in Peptide therapies
  • 20+ years in IV therapies and injections
  • Author and Presenter

Lisa has over 20 years experience in the field of nutrition and diet along with completing her certification through IIN as a Health Coach and now a Board Certified Health Coach. Her most important mission is to raise six children and help others learn about the healthy foods and how to live vibrantly in this world and experience vibrancy and successful living. She looks forward to aiding you on your path to total body health and vitality!


Kevin Greene, MD- Chief Medical Officer

My passion for medicine began at a very young age thanks to my mother and I have loved every minute of this journey helping thousands of people heal and feel better so they can embrace and enjoy life. I’m honored that you have considered my team to support you in optimizing your health and life.

Credentials Include:

  • Yale University, 1990, B.A. Chemical Engineering
  • Georgetown University School of Medicine, 1995, M.D.
  • University of Connecticut Internal Medicine Residency Program, Intern of the Year, 1996
  • Board Certified Internal Medicine
  • Board Certified Neurofeedback

“Best Doctor of Southington”, 2002

You can expect the best of all evidence-based medicine to give you a wider range of choices. Our health optimization approach embodies elements from traditional, integrative, functional, and age-management medicine and employs them in a preventive, proactive way to meet your specific age-related issues, medical challenges, optimal health needs, and more. My goal for every patient is not just to prevent diseases, but to achieve OPTIMAL wellness. Here at Live Longer, my team and I are here to help you, welcome.