Medisphere Medical Research Center

About Us

About MediSphere

For the past 29 years, our clinical research center has been conducting and providing solutions to the medical industry. Our private practice company is in direct contact with pharmaceutical companies that are in trial phases 2, 3, or 4.


All of our trials are safe, regulated by the FDA and are monitored by independent institutional review boards. Our patients' benefit from more clinical testing which in return bring stronger treatment results.


Please get in contact with us today if you have any questions or would like to work with us in our related medical fields.

Contact Us Today!
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Our Mission Statement

It is our mission to provide reliable clinical data to help advance new medical treatments. Established in 1992, we have become one of the most reputable clinical research centers in the area. Leading and upcoming pharmaceutical companies have trusted and allowed us to be a part of their compound development and clinical studies to be conducted in a most professional and ethical manner. Through this process, we are granted the opportunity to help the people of our community to improve their quality of life in maintaining dignity and respect as well as Health Care Providers and the general public in having access to promising new medical treatment and technologies.

The MediSphere Team

Hubert S. Reyes, M.D.

Board Certified Family Medicine

Principal Investigator since 2008 /

Co-Owner of MediSphere

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Alexander E. Dela Llana, M.D.

Board Certified Family Medicine

Principal Investigator since 2008 /

Co-Owner of MediSphere

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Mike Gerald A. Sebastian, M.D.

Board Certified Family Medicine /

 Co-Owner of MediSphere

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John B. Wathen

Chief Operating Officer / Co-Owner of MediSphere

Shelley Gates, D.N.P.

Certified by the American Academy of Nurse Practitioners

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Perla E. de la L.

New Business Coordinator

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Linda D.

Patient Representative

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Lene Grace N., MD

Recruitment Manager, Quality Assurance

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Kim D.

Administrative Assistant

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Carrie C.

Clinical Studies Manager

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Sherri S.

Clinical Research Assistant

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Leticia C.

Medical Research Coordinator

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Lesa W.

Financial Analyst

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Ted N.

Regulatory Manager

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Keely Anderson

Clinical Research Coordinator

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Leave MediSphere a Review

"Good people who care about their people. For medical research"

Troy C.

"They helped me more than you will ever know. I learned a lot. Everyone was nice and helpful to me. I would consider participating in a future study, I love coming here."

Patti S.

"Staff is very knowledgeable on entire procedure. Everyone was able to answer all questions. I would recommend MediSphere to everyone."

Marie H.

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