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Hormone & Testosterone Replacement Therapy
Heart Attack & Stroke Prevention

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Health & Wellness Services:

Nexus HealthSpan is a multi-disciplinary medical practice with expertise in heart attack prevention, stroke prevention, diabetes prevention, and bioidentical hormone replacement therapy (BHRT).

The Nexus Mission is to empower people to do what inspires them in life. Our vision is to extend HealthSpan and elevate quality of life. Our values include honesty and transparency; giving; and excellence in each of our endeavors.

We are strong advocates for optimal metabolic health, for the unique needs of both men and women, and for sexual health. We strive to be a nationally recognized leader in integrative health; to be an education resource for both healthcare consumers, as well as providers; and to impact the disparity between HealthSpan and lifespan. 

Hormone Replacement Specialist Zachary Lott, MSN, ARNP, AGACNP-BC graduated magna cum laude with an undergraduate degree in nursing from California State University, Long Beach. He holds a Master of Science Degree in Nursing and a Nurse Practitioner Master’s Certificate from California State University, Long Beach. He received his acute care training at the Keck Medical Center of USC and the MemorialCare Long Beach Medical Center. He is licensed as a Nurse Practitioner and in Public Health. He is board-certified by the American Nurses Credentialing Center in Adult-Gerontology Acute Care. He is a member of the American Heart Association Council on Lifestyle and Cardiometabolic Health and the National Lipid Association. He holds certifications as a provider of the Bale-Doneen Method and by the Academy of Preventative and Innovative Medicine. NP Lott is a decorated Marine Corps veteran who completed his service in the Fleet Marine Force with Bravo Company, 1st Battalion, 4th Marine Regiment. He was awarded the Bronze Star Medal for valor for his actions in combat in 2003 during Operation Iraqi Freedom. His military career also included two overseas deployments, numerous personal and unit awards, and of multiple specialized training courses. NP Lott gives back to the military community by doing pro bono work for disabled military veterans.


Get it up, Keep it up & Put it down

GAINSWave Therapy


Erectile dysfunction (ED) is a common condition characterized by the inability to achieve or maintain an erection during sexual activity. As men age, ED becomes increasingly more prevalent. As much as 40% of men in their 40s already have ED and it’s not an easy conversation to have, even with their doctors. It affects their sex life, their sexual performance, and their confidence level. In many cases of ED, there is a problem with blood flow; either a lack of blood flow in, or too much blood escapes. Either can result in poor erection quality.

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