South Tampa Medical Group - Primary Care Physicians and Doctors
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Medical Staff

The physicians and nurses of South Tampa Medical Associates are the heart and soul of our practice and our success. Each of our medical professionals has dedicated their career to the goal of taking care of others. We strive to make certain that you, our patient, are treated with compassion, with care, and with the utmost in expertise.

Dr. Leonard Mennen

Board Certified Internal Medicine; Doctor of Osteopathic Medicine


Dr. Mennen has been with South Tampa Medical Associates for over 12 years and is highly respected by his patients and peers alike. He now has committed himself to patient care through private practice. He has held several administrative and faculty positions at universities. Prior to joining South Tampa Medical Group, he served as executive vice president of academic development at Midwestern University in Downer's Grove, Illinois, and has been a Dean of two medical schools. Outside of the office Dr. Mennen has been active within several professional organizations and public service communities. He has received several honors during his academic career.

Dr. Henry J. Weiss
Board Certified in Internal Medicine; Hospitalist


At South Tampa Medical, you are not just another number in our office. Quality patient care has been the forté of Dr. Weiss, who was a surgeon in Argentina before coming to the United States. His passion for making a difference in people's lives started at the age of 17, when he became the youngest student to enter medical school in Buenos Aires. He started South Tampa Medical 17 Years ago.

Kristen Jefferies Smith


Kristen is certified as a Family Nurse Practitioner and is a member of Sigma Theta Tau International Honor Society of Nurses and Golden Key Honor Society at the University of Florida. Her primary responsibilities at South Tampa Medical Group involve providing comprehensive, in-office health care to a broad spectrum of new and existing patients. Providing the highest quality of health care to each of her patients is her most important personal objective each and every day. This attitude is reflected in her relationship with her patients.

Katherine Tilson
Certified Nurse Practitioner


Katherine is certified in Adult Health and is a member of Sigma Theta Tau. Her major responsibilities is to offer medical service to our patient's that are in skilled and long term nursing home facilities. She has been part of South Tampa Medical for years. She has great concern for her patients and is always available to interact with the families.

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South Tampa Medical Associates     3614 W. Kennedy Blvd Suite B     Tampa, FL 33609     Phone: (813) 870-2528