HIV Research


Over the past decade, Dr. Thanes Vanig has been the Principal Investigator in over 150 HIV clinical trials. Many of these trials have led to presentations at national and international conferences and have been published in peer-reviewed medical journals.

Assisting Dr. Vanig, Lead Clinical Research Coordinator, Gilda de la Garza, CCRP, has assisted in studies since 1997. Gilda holds a Bachelors of Arts from Northern Arizona University and is a member of the Society of Clinical Research Associates where she received her certification (CCRP) in 2005.

With 20+ years of research experience and 150 completed study protocols, the Spectrum Medical team is comprised of highly qualified and trained individuals. With a dedicated recruitment and outreach staff, as well as a patient database of 5,500, we are able to proactively meet our recruitment goals.

How do I find out about clinical trials?

Find out more about our HIV clinical trials by emailing


About Spectrum Medical

Spectrum Medical is a leading provider of medical care for LGQBT patients throughout the Phoenix, AZ, region, offering comprehensive, state-of-the-art preventive care and medical treatments in a welcoming and inclusive atmosphere designed to build trust. Conveniently located on East Monterey Way, Spectrum Medical is committed to providing a broad array of care options, including transgender care, HIV care, diabetes care, testosterone therapy, PrEP (preexposure prophylaxis) for AIDS prevention, genital wart removal, and BOTOX®.

Spectrum Medical is certified by the American Academy of HIV Medicine (AAHIVM) and a leading provider of HIV care. The clinic also participates in clinical research surrounding HIV care and actively recruits study participants to receive cutting-edge and emerging HIV treatments.

The medical team at Spectrum Medical is dedicated to helping all patients receive the highest-quality patient-centered care in an environment where they can feel valued and respected. In addition to the services the practice provides, the team provides additional outreach and referrals as needed to other LGQBT healthcare providers in the Greater Phoenix area. The practice welcomes the opportunity to care for new patients and accepts most major medical insurance plans.


The Spectrum Medical Goal

From the beginning, the ultimate goal of Spectrum Medical has been to provide the absolute best care possible for our patients. With so many well-trained doctors and respectable medical practices in the Phoenix area, we strive to be a leader in medicine through clinical excellence and a more personal style of care.

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Patient Portal

Visit our Patient Portal to:

   - Get Results of Labs or Other Tests 
   - Request Refills of Medications 
   - Billing Questions 
   - Scheduling or Cancelling an Appointment 
   - Communicate & ask questions to your provider 
   - View records, lab results and medical history

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Major Insurance Providers Accepted

At Spectrum Medical we accept most major insurance plans. Here is a short-list of just some of the most popular plans we accept. Please contact our office if you do not see your insurance provider listed.

Blue Cross Blue Shield
Health Choice
Health Net
Mercy Care

Words from our patients

  • Yelp

    "Dr. Vanig and his staff are about the best there are! Wonderful and friendly people who do their best for their patients everyday."

  • Yelp

    "My wife saw Dr. Vanish and he treated her great and took his time with her. Sometimes doctors rush you but he was thorough."

    Jennifer P.
  • Demandforce

    "He and his staff of PA's, whom I see for my annual physical, provide an excellent breadth of care that covers all my needs as I age."

    Jeffrey V.
  • Demandforce

    "Staff and Medical Team are always pleasant & professional. I was seen by the doctor, just a few minutes after I signed/scheduled appointment time! Fantastic."

    Steve E.
Ask us

Feel free to email us regarding any scheduling or general questions!

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Spectrum Medical
52 East Monterey Way
Phoenix, AZ 85012