
Envizion Medical has served the Land O' Lakes, Florida community since 2012, focusing on hormone replacement therapy, medical weight loss, thyroid management, and nutritional counseling through in-person consultations. The clinic's providers hold certifications from the American Academy of Nurse Practitioners and the American Academy of Anti-Aging Medicine, bringing over a decade of clinical experience in metabolic and hormonal health to patients throughout Pasco County and the greater Tampa Bay area. Rather than offering one-size-fits-all protocols, Envizion Medical designs treatment plans around comprehensive lab work that evaluates thyroid function, sex hormones, metabolic markers, and nutritional deficiencies specific to each patient's physiology.
For medical weight loss, Envizion Medical prescribes semaglutide and tirzepatide, two GLP-1 receptor agonists that regulate appetite and glucose metabolism. Patients begin with baseline metabolic panels and body composition analysis before starting either peptide, with dosing titrated over several weeks based on tolerance and response. The clinic pairs these medications with structured nutritional counseling that addresses macronutrient balance, meal timing, and sustainable eating patterns rather than restrictive dieting. Follow-up visits track weight trends, side effect management, and lab markers including hemoglobin A1c and lipid panels to ensure metabolic improvements align with weight reduction. This combination of peptide therapy and nutrition guidance allows patients to address both the biological drivers of weight gain and the behavioral patterns that sustain long-term results.
Hormone replacement therapy at Envizion Medical addresses testosterone deficiency in men and estrogen/progesterone imbalances in women, using bioidentical hormones tailored to lab-confirmed deficiencies. The clinic evaluates free and total testosterone, estradiol, progesterone, DHEA, and thyroid hormones through detailed panels before initiating therapy, then monitors levels at regular intervals to maintain physiologic ranges. Delivery methods include topical creams, subcutaneous pellets, and injectable preparations depending on patient preference and absorption characteristics. For thyroid management, providers assess TSH, free T3, free T4, and thyroid antibodies to distinguish between primary hypothyroidism, Hashimoto's thyroiditis, and conversion issues, then prescribe levothyroxine, liothyronine, or combination therapy as indicated by lab findings and symptom patterns.
Patients at Envizion Medical can expect an initial consultation that includes a detailed health history, discussion of symptoms and goals, and ordering of comprehensive lab work. Once results return, a follow-up visit reviews findings and establishes a treatment protocol, whether that involves hormone optimization, peptide therapy for weight loss, thyroid medication, or a combination approach. The clinic schedules regular monitoring appointments to assess progress through repeat labs, symptom questionnaires, and objective measures like body composition or blood pressure trends. Nutritional counseling sessions provide specific guidance on meal planning, supplement recommendations based on identified deficiencies, and strategies for maintaining metabolic health beyond the active treatment phase. This structured approach ensures patients understand both the biological rationale for their treatment and the practical steps required to achieve their health objectives.
With a 4.9-star rating across 293 Google reviews, Envizion Medical has built a reputation in Land O' Lakes for thorough lab evaluation, clear communication about treatment options, and consistent follow-through on patient goals. The clinic operates exclusively through in-person visits, allowing for hands-on assessment, direct provider interaction, and immediate access to clinical staff for questions that arise during treatment. Located in Pasco County, Envizion Medical serves patients from Land O' Lakes, Wesley Chapel, Lutz, and surrounding areas of the Tampa Bay region who seek evidence-based hormone and metabolic care grounded in laboratory data rather than symptom management alone. The combination of board-certified providers, decade-long community presence, and focus on measurable outcomes through repeat testing distinguishes the clinic's approach to functional and regenerative medicine.
Steven Behmke, NP-C
Nurse Practitioner
Steven Behmke is a board certified nurse practitioner (NP-C) through the American Academy of Nurse Practitioners (AANP) and a board certified anti-aging health practitioner (ABAAHP) through the American Academy of Anti-Aging Medicine (A4M). He received both a Bachelor’s in Psychology at Rutgers University in NJ and a Bachelor’s in Nursing at Florida State University in Tallahassee, graduating magna cum laude. He attended the University of South Florida in Tampa for his advanced practice education, earning his Master’s in Nursing. Steve is a military veteran, serving 11 years total with the first half of his enlistment in military intelligence and the second half as a combat medic. Serving as a medic is what introduced Steve to the medical field where he developed a strong passion for medicine and helping others. Having witnessed various members of his family struggle with chronic diseases and shortened lifespans, he developed a deep interest in anti-aging and disease prevention. Although Steve’s education and experience in medicine were focused more on general primary care, he received intense specialized training by a renowned anti-aging physician, Dr. Rob Carlson, in hormone replacement therapy, thyroid hormone management, and medical weight loss. Dr. Carlson was recommended by Suzanne Somers in her book “Ageless” as one of two hormone/anti-aging experts in the state of Florida. Steve has an excellent bedside manner and treats every patient as he would want any of his family members to be treated. He genuinely cares about his patients and is dedicated to making sure they feel their best with the highest quality of life possible.
Tammy, ARNP
Nurse Practitioner
Tammy is an ARNP specializing in weight loss, aesthetics and HRT. Her goal is to guide patients to achieving health and wellness in a holistic and natural approach. Tammy has been an ER nurse for 10 years, with a focus in Endovascular Surgery and Cardiology as an NP for the past 6 years. Tammy has always had a passion for helping others and led an active lifestyle. When not working, she spends time with her husband and two young daughters traveling, exploring outdoors and creating healthy dishes.
Doreen Villanueva, Doctor of Nursing Practice
Nurse Practitioner
Dr. Doreen Villanueva is a nurse practitioner, board certified in Family Practice by the American Association of Nurse Practitioners. She received her undergraduate degree from St. Petersburg College and her Master’s and Doctoral degrees from the University of South Florida. She brings 19 years of clinical experience to Envizion, including acute care, pediatrics, community health, women’s health, dermatology, neurology, and immunology. Other than Weight Loss, Nutrition, and Anti-aging, she specializes in aesthetic dermatology and primary care. Dr. Villanueva comes highly recommended by previous employers, coworkers, and patients in the Tampa Bay area. Her patients describe her as always having a smile on her face and state that she goes all out to help them get to the bottom of their health issues.
Topics Mentioned in Reviews
Medical Weight Loss
Customized weight loss plans and nutritional eating guidelines to support better health and longevity.
Nutritional Counseling
Services focusing on helping patients improve their eating habits and reduce risk factors for chronic disease.
B12 Injections
Injections to support energy levels and overall health.
Supplements
Nutritional supplements to support health and wellness.
Men's Hormone Replacement Therapy
Therapy using bioidentical hormones to address hormone imbalances in men.
Women's Hormone Replacement Therapy
Therapy using bioidentical hormones to address hormone imbalances in women.
Thyroid Problems
Diagnosis and treatment of thyroid-related issues.
Weight Loss Medication
Medications including semaglutide and tirzepatide for weight loss.
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