Sarasota Florida Thyroid & Endocrine Center
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Doctor Mark Lupo Board Certified Endocrinologist
Dr. Mark A. Lupo is the founder and Medical Director of the Thyroid & Endocrine Center of Florida. Dr. Lupo is board-certified in Endocrinology and Internal Medicine. Dr. Lupo attended Duke University and earned his medical degree and internal medicine training from the University of Florida. Dr. Lupo completed Endocrinology training through a combined program at the University of California, San Diego and Scripps Clinic. Dr. Lupo is a Clinical Assistant Professor, Florida State University College of Medicine, a member of the Board of Directors of the American Association of Clinical Endocrinologists (AACE), and the current Secretary of the Academy of Clinical Thyroidologists. Dr. Lupo lectures nationally and internationally on the topic of thyroid nodules and teaches neck ultrasound in the evaluation of nodules and cancer to other endocrinologists and surgeons. Dr. Lupo is also an active member of Mensa.
Dr. Zsofia Geck is board-certified in Internal Medicine and Endocrinology with a sub-specialty focus in thyroid and parathyroid disorders. Dr. Geck is a member of the American Thyroid Association (ATA), American Association of Clinical Endocrinologists (AACE), American Clinical Thyroidologists (ACT) and the Endocrine Society. Dr. Geck received her Bachelor of Science degree from Tufts University, completed her Medical Doctorate from New York Medical College and received post doctoral training in Internal Medicine and completed a Fellowship in Endocrinology at Shands Hospital, University of Florida. Dr. Geck has medical staff privileges at Sarasota Memorial Hospital.
Dr. Katarzyna Piotrowska is board-certified in Internal Medicine and Endocrinology. Dr. Piotrowska completed her medical school at Poznan University of Medical Sciences. She received post-doctoral training in Internal Medicine at Aurora Health Care Residency Program in Milwaukee and completed a Fellowship in Endocrinology at Harbor-UCLA Medical Center. Dr. Piotrowska is a member of the American Thyroid Association (ATA), American Association of Clinical Endocrinologists (AACE), and the Endocrine Society. Dr. Piotrowska is fluent in English and Polish.
Dr. Angela Boldo is board-certified in Internal Medicine and Endocrinology. Her main interests are thyroid and parathyroid disorders, thyroid ultrasound and bone health with the treatment of Osteoporosis. Dr Boldo is a member of the Endocrine Society and American Association of Clinical Endocrinologists (AACE). She graduated medical school in Brazil with honors prior to pursuing further training in the United States. She received her post-doctoral training in Internal Medicine at the University of Connecticut and completed her fellowship in Endocrinology at Darthmouth Hitchcock Medical Center in 2012. Dr. Boldo worked as an Endocrinologist in Massachusetts for 5 years prior to joining the Thyroid and Endocrine Center of Florida in 2017. Dr. Boldo is fluent in English, Portuguese and Spanish.
Jennifer has over twenty years of experience in the healthcare industry. She has a bachelor's degree from East Carolina University and is Accredited in Public Relations. Jennifer is responsible for the daily practice operations, marketing communications, patient and employee satisfaction, human resources and finance. Her focus is on providing a patient-oriented team approach to your healthcare needs.
Tammy leads the nursing staff in meeting the health care needs of our patients. Tammy facilitates direct communication between patients and our physicians. Tammy has over 20 years of medical experience in Endocrinology, Allergy/Immunology, and Family Practice. Tammy has earned several medical degrees including a Medical Assistant degree, a Registered Nurse (RN) degree, and a Bachelor of Science in Nursing (BSN) degree.
Wendi earned her Associates of Science degree from Baker College in Michigan and has several years of experience as a Medical Assistant. Wendi rooms patients, is a phlebotomists and assists with FNA biopsies. Wendi also assists with research studies and other special projects.
Crissy is our Assistant Front Office Coordinator and greets our patients upon check in. Crissy is responsible for answering phones, scheduling appointments, chart preparation, obtaining authorizations and assisting with check-out. Crissy has over 11 years of medical experience.
Laura is our Front Office Coordinator for patient check out. Laura is responsible for patient check out as well as assisting with scheduling and patient records. Prior to joining our practice, Laura worked as a scheduler for a large multi-specialty medical practice. She also has customer service experience in the insurance industry.
Erica is our New Patient Coordinator. Erica is responsible for all new patient information, scheduling new patients and various front office duties at check-in and check-out. Erica has over 17 years experience in the medical industry. Erica received her certification as a Medical Assistant from Ross Medical School in Michigan.

Katie coordinates billing related activities and assists with various office projects including new patient scheduling. Prior to joining our practice, Katie was a team leader for a large medical billing company. She also has experience as a customer service representative for a transportation broker.

Debbie Lawrence has over thirty years of medical and management experience and studied at both Emory University and the Sarasota Technical Institute. Debbie works with our office on billing, management, and a patient-oriented team approach to your healthcare needs.
Donna is responsible for all facets of our in-office CLIA certified laboratory. Donna is board certified as a Medical Technologist by the American Society for Clinical Pathology and is a member of the American Society for Clinical Laboratory Science. Donna has over 25 years of medical experience. She received a Bachelor of Science degree from Pennsylvania State University and a Medical Technology degree from Valley Hospital School of Medical Technology.
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