Who is Dr. Jerry Tennant?

Dr. Tennant

Dr. Jerry Tennant, MD, MD(H), PScD is a world-renowned physician, international author, and integrative health practitioner. He is a Harvard-trained ophthalmologist, founder of The Tennant Institute for Integrative Medicine, and was named one of the Top 20 Alternative Doctors in America.

Dr. Tennant holds over 13 patents for medical devices including intraocular lenses and surgical instruments. He is a pioneer in helping with the integration of a more holistic approach to the practice of medicine today, sharing an integrative practitioners Who’s Who list—with names like Drs. Oz, Mercola, Weil, Sears, Brownstein, and others.

Dr. Tennant’s story is not just that of a doctor, but mirrors what many regular people face with their health issues today. From experiencing normal health, to a drastic change in illness, to dealing with a modern medicine system that doesn’t always have the answers, Dr. Tennant’s journey of healing is remarkable and revolutionary. Read on to learn more of his story. 

The Health Crisis That Changed It All

As a world renowned eye surgeon, Dr. Tennant was one of the first doctors in the U.S. to place intraocular lenses in eyes after cataract surgery and one of the initial pioneers in LASIK surgery.

By the 1990s, he had a globally successful career spanning three decades. He performed 1,000s of eye surgeries in the US and over 2,000 abroad. And then Dr. Tennant’s life took a terrible turn.

Unfortunately, his numerous surgeries were the contributing factor to the decline in his health. He ended up contracting and developing three serious brain viruses from performing his surgeries on patients.

Dr. Tennant contracted encephalitis and a bleeding disorder that manifested as spastic movements and an inability to remember even how to write a prescription. He unfortunately had to retire early from his surgical career.

For almost seven years, Dr. Tennant was in a mental fog that rarely lifted. Too fatigued to function on any level, Dr. Tennant slept for about 16 hours each day. Many top doctors told him that there was no way to help him. He would just have to live with this condition.  

Discovering The Power of Cell Biology and Regeneration

With his waking and thinking time severely limited, Dr. Tennant gradually began to realize that if he was going to get well, it was up to him to find a way since modern American medicine did not have the answers. So he started reading and studying up on cellular biology on a deeper level.

Each of the cellular biology books he read gave passing reference to the fact that cells function in a narrow range of pH, but said little more. Dr. Tennant began to look closely at pH. He came to realize that in addition to acidity and alkalinity, pH measures the voltage in a solution. 

As his knowledge on cell biology and regeneration grew, so did his belief in the importance of learning how to get a single cell to work correctly. He understood that if he could do that, in time, all of his cells would work correctly. It was the concept of voltage that changed everything. 

What Is Voltage?

Voltage is the concept that struck Dr. Tennant. He wondered—could this be the key he was searching for?

As he continued his research and studies, Dr. Tennant began to understand that cells must have enough voltage to work and that chronic disease is associated with loss of voltage. His next step was to find out how to measure the voltage and keep it at optimal levels. Following this path, he developed more expertise on the “voltage of cells” and how they can truly regenerate themselves and lead to improved health.

Soon after, he applied his teachings and expertise to his own health and nutrition. Despite what many doctors said, he was able to heal himself naturally. His energy returned. His health returned. His overall sense of well-being skyrocketed. All because of a singular, powerful realization. 

Chronic disease occurs when you lose the ability
to make new cells that work.

Dr. Tennant now teaches and lectures worldwide on the concepts of cell regeneration, voltage, and non-traditional healing. He has assisted in the healing of tens of thousands of lives and supported the radical healing of so many people with complicated health issues.

Dr. Tennant is the author of many books and papers including Healing is Voltage: The Handbook 3rd Edition, Healing is Voltage: Healing Eye Disease, Healing is Voltage: Cancer's On/Off Switches, and Healing is Voltage: Acupuncture Muscle Batteries, An Atlas. These books are based on his own personal experience and continuous energetic medical research. 

People travel from around the world to consult with Dr. Tennant at The Tennant Institute for Integrative Medicine.

Author, Speaker, Inventor, Patent Holder:



Dr. Tennant's objective, through his Tennant Principles, is to inform patients and practitioners about how the body requires voltage to make new cells to maintain health and wellness, as well as incorporate traditional medicine with complementary and alternative medicine for better results. 

Dr. Tennant is also the inventor and patent-holder for Tennant BioModulator® PLUS & PRO and Tennant BioTransducer®. These FDA-accepted, non-invasive devices are designed to offer healthcare professionals and home users affordable drug-free and user-friendly options for the indicated use of symptomatic relief for chronic, severe, and intractable pain, and adjunctive treatment in the management of post-surgical and post-traumatic pain. The countless thousands of success stories and testimonials of patients’ recovery and pain reduction are phenomenal.  

More Life Facts About Dr. Tennant:

Dr. Tennant’s accomplishments have been nothing short of remarkable. Here is just a glimpse of his accomplishments throughout his career:

  • In 1960, at age 19, he was accepted into the University of Texas Southwestern Medical School.
  • Graduated Top 10 in his medical school class and received his MD degree in 1964.
  • Interned at Methodist Hospital of Dallas and then completed a residency in ophthalmology at Harvard/Massachusetts Eye and Ear in Boston between 1965 and 1968 (and Parkland Hospital in Dallas).
  • Board certified in Ophthalmology and Ophthalmic Plastic Surgery, Director of the Ophthalmic Plastic Surgery Clinic at Parkland Hospital/Southwestern Medical School.
  • Founded the Dallas Eye Institute.
  • Holds patents on surgical instruments, intraocular lenses, and other devices, including the Tennant BioModulator® PLUS & PRO and Tennant BioTransducer®.
  • An accomplished author of books on cataract surgery, lifestyle management, and integrative medicine.
  • Developed and refined the techniques to allow eye surgery to be safely performed in an outpatient setting instead of a hospital with the assistance of his anesthesiologist, Monte Hellman, MD, and his internist, Javier Ramirez, MD.
  • A pioneer in LASIK surgery, Dr. Tennant was responsible for most of the research done on the Excimer laser for VISX. He also performed over 1,000 operations in the United States and about 2,000 cases abroad from 1991 to 1995.
  • Founded the Outpatient Ophthalmic Surgery Society, taught surgeons around the world to do outpatient eye surgery, and was instrumental in getting Congress to pay for outpatient surgery, saving Medicare millions of dollars every year, along with Drs. David McIntyre and Douglas Williamson.
  • Chairman of the ad hoc committee that wrote the rules that govern outpatient surgicenters in Texas.
  • Tennant is one of the few surgeons to be awarded the Corboy Award for Contributions to Ophthalmology and the Recognition Award from the American Academy of Ophthalmology.
  • Tennant was one of the first surgeons in the U.S. to place intraocular lenses in eyes after cataract surgery, eliminating the need for thick, incapacitating glasses after cataract surgery. He redesigned the European lenses to eliminate defects and was awarded patents for his designs.
  • Tennant is licensed by the Arizona Board of Homeopathic and Integrated Medicine Examiners MD(H). Texas does not have such a board.
  • Although not a Catholic, Dr. Tennant was awarded the Order of Saint. Sylvester by Pope Benedict XVI in 2008 for his contributions to medicine.
  • D. (hon.) in anthropology and from Orden De Santiago Apóstol.
  • Doctorate of natural medicine license from the Board of Pastoral Medical Association.
  • Current member of the American Academy of Anti-Aging Medicine and Fellow of the American Society of Ophthalmic Plastic and Reconstructive Surgery.
  • Recipient of multiple Lifetime Achievement awards.
Want to learn more about voltage and how to effectively and naturally heal your body?


What Is Integrative Medicine?


Traditional medicine in the U.S. assumes that if a cell isn't functioning correctly, one must find a pharmaceutical to correct the function. If that doesn't work, one must remove the offending organ surgically.

Integrative medicine recognizes that other cultures have been successfully using other theories of how we get sick and how we get well for thousands of years.

The World Health Organization ranks medical outcomes in the U.S. as 38th in the world—on par with some third-world countries. Thus, it is obvious that these other systems have something to offer and should not be ignored.

Complementary and alternative medicines involve the use and integration of all theories and forms of medical care, attempting to utilize the best of each for a better outcome. Only since the early 1990s have U.S. medical schools started teaching therapies like acupuncture, homeopathy, etc., which have been used successfully in the rest of the world for thousands of years.

The Tennant Institute for Integrative Medicine offers an integrative approach.