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PHDermatology – St.Petersburg

PHDermatology St.Petersburg Location

Welcome to our St.Petersburg location

Our board-certified physicians specialize in skin cancer, skin disease, and dermatologic conditions & disorders as well as numerous cosmetic procedures to enhance your natural beauty. We provide customized treatments for clients of all ages.

First Time Patients

Please call (727) 273-8267 to schedule your visit.

St. Petersburg Contact Info

Address: 6450 38th Avenue N. St. Petersburg, FL 33710
Phone: (727) 273-8267
Fax: (727) 475-9015

St.Petersburg Doctors & Staff


Lisa Garner, MD, FAAD, received her Bachelor of Science, magna cum laude, in Pharmacy from the University of Houston and her Doctor of Medicine from Baylor College of Medicine. Dr. Garner completed an internship in internal medicine and a residency in dermatology at the University of Texas Southwestern Medical School.

Dr. Garner has worked with many professional dermatology societies including serving on the Board of Directors of the American Academy of Dermatology (peer-elected) as well as serving as vice president of the AAD from 2013 to 2014. She has served as president of the Women’s Dermatologic Society, held multiple leadership positions with the Texas Dermatology Society and has supported the Dermatology Foundation philanthropic organization for many years.

Dr. Garner has a special interest in allergic contact dermatitis with extensive knowledge and experience in customized patch testing. We are very excited to offer this specialized service to the South Tampa area. View Dr. Garner’s publication on JAMA Dermatology


Michael D. Tharp, MD is board certified in both Internal Medicine and Dermatology with clinical interests in immunobullous diseases, psoriasis, and cutaneous T cell lymphoma. He formerly served as a professor and chair of the Clark W. Finnerud, MD Department of Dermatology at Rush Medical College in Chicago, Illinois.

Dr. Tharp earned his medical degree, cum laude, from Ohio State College of Medicine in Columbus, Ohio. He went on to complete an internship and residency in Internal Medicine at Parkland Memorial Hospital in Dallas, Texas, as well as a residency and fellowship in Dermatology at Duke Medical Center in Durham, North Carolina.

He is a member of numerous professional and scientific societies, including the American Academy of Dermatology. He has been the recipient of many grants for dermatological research and an invited speaker to many national and international societies and meetings. Dr. Tharp has authored over 170 articles, books, book chapters, and reviews.

Physician Assistant-Certified

Julie Pistorino

Juliette joined PHDermatology after receiving her Masters in Physician Assistant Studies at Barry University.  Her interest in dermatology comes from her experience as a nurse at PHDermatology.  Prior to PA school Juliette obtained her Bachelor degree in Biology at the University of Florida, and her Bachelor of Nursing at University of South Florida.

Juliette is certified by the National Commission of Certification of Physician Assistants (NCCPA).  She is also a member of Florida Academy of Physician Assistants, Society of Dermatology Physician Assistants and American Academy of Physician Assistants.  She enjoys all aspects of dermatology, including cosmetic procedures and will treat patients of all ages.

Juliette is originally from Miami, Florida and enjoys spending time in the Keys with her family.  She also loves spending her free time on the water.  She is excited to be apart of the PHD team!

Palm Harbor Dermatology

Notice to all patients:

The safety of our patients and staff is our #1 priority and as always, we are continuing to keep our offices clean and disinfected.

All PHDermatology offices, with the exception of our Carrollwood and Riverview offices, are open to serve our communities. Please come to your appointment alone (if possible) and with a mask. If you are experiencing any lower respiratory symptoms, including cough, fever or shortness of breath, please call to reschedule your appointment or receive instruction on our TeleDerm platform.

For additional information and all you need to know about COVID-19, please visit the CDC or the Florida Department of Health.