Dr. John Purcell, MD

Dr. John Purcell, MD is an Endocrinology specialist practicing at his clinic in Jacksonville, FL. He is a dedicated partner in preventive health, registered with The Florida Board of Medicine and practicing under Florida Statutes, Title XXXII, Chapter 458 (Medical Practice). Your endocrinologist is your primary partner in preventing hormonal and metabolic issues, creating personalized long-term health plans, coordinating essential screenings, and empowering you to manage your overall wellness for a healthier future. He serves all ages and is currently welcoming new patients to begin their proactive health journey. Call (904) 280-6650 to schedule.

Dr. John Purcell, MD is a diabetes & metabolism endocrinologist in Jacksonville, FL, with over 35 years of experience in the medical field. He earned his medical degree from Marshall University Joan C. Edwards School of Medicine in 1987, followed by an internship at Jacksonville Health Edu Prgm (1988) and residency training in Endocrinologies at University Fla Health Sci Center (1990). Further specializing, he pursued fellowship training in University Fla Health Sci Center (1992), deepening his expertise in the comprehensive medical care of all ages. With this extensive background, Dr. Purcell brings a wealth of clinical knowledge and compassionate care to his patients and their families. He is affiliated with UF Health Shands Hospital and Ascension St Vincent's Riverside and is accepting new patients. Dr. Purcell provides consultations primarily in English.

A key part of the WePrevent mission is building your personalized prevention roadmap. Dr. John Purcell is a vital partner in this journey, focusing on proactive strategies to protect and enhance your long-term health.

By working together, you and Dr. John Purcell can create a clear, actionable plan to address your unique risk factors and health goals.

A proactive approach to health involves understanding and managing potential risks. Dr. John Purcell provides expert care for a range of conditions, focusing on early detection and effective management to support your long-term wellness. Common areas of focus include:

• Phosphorus Metabolism Disorders: Maintaining healthy phosphorus levels through diet and lifestyle choices helps prevent long-term complications associated with phosphorus metabolism disorders.
• Lipoprotein Disorders: Regular blood tests can identify lipoprotein disorders, enabling you to make lifestyle changes or take medication to prevent future health complications.
• Diabetic Ketoacidosis: Preventing diabetic ketoacidosis involves proactively managing your blood sugar levels and promptly addressing any signs of high blood sugar to avoid dangerous acid buildup.
• Female Infertility: Early detection and management of conditions like PCOS, endometriosis, or thyroid disorders are crucial in preventing infertility and improving your chances of conception.
• Thyroid Cancer: Regular thyroid screenings can help detect thyroid cancer early, when treatment is most effective and less invasive, preventing advanced disease.
• Obesity: Early detection of obesity allows for timely interventions, such as lifestyle changes and medical support, to reduce your chances of developing related diseases.
• Adrenal Gland Diseases: Protecting your adrenal glands through regular checkups and healthy lifestyle choices helps prevent serious complications from developing.
• Hypopituitarism: Protecting your long-term health involves understanding hypopituitarism—a deficiency in pituitary hormones—and seeking prompt medical attention if you experience related symptoms to mitigate potential damage.
• Mineral Metabolism Disorders: Mineral metabolism disorders, like imbalances in calcium or phosphorus, can weaken bones and increase fracture risk, highlighting the importance of regular checkups to detect and manage them early.
• Diabetes With Renal Manifestations: Diabetes can harm your kidneys; proactive monitoring and careful control of your diabetes significantly reduces your risk of developing kidney complications.
• Thyroid Goiter: Preventing severe complications associated with a goiter, such as hypothyroidism or hyperthyroidism, hinges on early detection through routine health screenings and prompt medical attention.
• Testicular Dysfunction: Regular check-ups and proactive lifestyle choices, such as a balanced diet and exercise, are essential in preventing or managing issues like testicular dysfunction.

This list highlights some common health concerns and is for informational purposes only. The best way to understand your personal health and create a prevention plan is to schedule a consultation. Accurate diagnosis and personalized treatment plans are developed based on individual patient evaluations.

Taking proactive steps is central to long-term health. Dr. John Purcell offers a range of key preventive screenings and services designed to provide crucial insights into your health and support your well-being:

• ACTH (Cosyntropin) Stimulation Test: This simple test proactively assesses your adrenal gland function, helping to identify and prevent future health complications related to hormone imbalances.
• Continuous Glucose Monitoring: Proactively monitor your blood sugar and avoid potential health risks with continuous glucose monitoring. This technology provides real-time data for better diabetes management and prevention.
• Dexamethasone Suppression Test: To ensure your hormonal system is functioning correctly, a dexamethasone suppression test assists in the early diagnosis of conditions impacting cortisol production, enabling timely treatment.
• Diabetes Screening: Diabetes screening helps detect high blood sugar levels early, allowing for timely intervention and preventing serious complications.
• Diabetic Evaluation: Early detection is key: a diabetic evaluation allows for prompt diagnosis and treatment of diabetes, reducing the risk of severe health problems.
• Dynamic Endocrine Function Test: By monitoring your hormonal fluctuations with a dynamic endocrine function test, you can actively work with your doctor to maintain optimal hormone levels and overall well-being.
• Oral Glucose Tolerance Test: This proactive blood test helps reveal how well your body handles sugar, giving you the information you need to make informed decisions about your metabolic health and prevent future problems.
• Thyroid Hormone Replacement: Early detection and management of hypothyroidism is crucial. Thyroid hormone replacement helps to prevent serious complications by restoring essential hormone levels.
• Thyroid Nodule Evaluation: Invest in your well-being with a thyroid nodule evaluation; this check-up helps identify and manage thyroid nodules, potentially preventing serious complications down the line.
• Thyroid Scan: Ensure your thyroid is working optimally by undergoing a thyroid scan; this screening tool can help prevent the development of or complications from thyroid disorders.
• Thyroid Screening: Ensure your metabolism is functioning optimally with a thyroid screening – a proactive step towards preventing future complications.
• Water Deprivation Test: Taking a proactive step with a water deprivation test allows your doctor to screen for underlying issues impacting your hormone function and fluid balance, potentially preventing serious health problems.

Service availability can change, and not all services listed may be appropriate for every patient. For a comprehensive understanding of all available services and to create your personalized screening plan, please schedule a consultation.

All medical services are provided in accordance with the standard scope of practice for Endocrinologies in Florida.

Dr. John Purcell is dedicated to partnering with Caregivers to achieve their unique health objectives. The following examples illustrate how a proactive approach can make a tangible difference in a Patient's life:

• By understanding and carefully managing their phosphorus intake through dietary adjustments, a family experienced improved overall well-being and reduced the potential long-term complications associated with phosphorus metabolism disorders.
• By proactively managing lipoprotein disorders through regular blood tests and lifestyle changes, a patient significantly reduced their risk of future health problems and felt empowered to take control of their well-being.
• By consistently monitoring blood sugar and following a personalized care plan, a patient experienced significant peace of mind, knowing they were proactively managing their risk of diabetic ketoacidosis.

These scenarios are illustrative examples of positive health outcomes. Individual results may vary and depend on many factors specific to each patient. He will work with you to define and achieve your personal health goals.

Here are answers to some common questions about proactive Endocrine care with Dr. John Purcell:

What is an Endocrinologist?

An endocrinologist is a doctor specializing in the endocrine system, the network of glands that produce hormones. They diagnose and treat hormonal imbalances, and manage conditions such as diabetes, thyroid disorders, osteoporosis, and PCOS.

What is the difference between Type 1 and Type 2 diabetes?

Type 1 diabetes is an autoimmune condition where the body doesn't produce insulin, requiring lifelong insulin therapy. Type 2 diabetes is a condition where the body doesn't use insulin properly (insulin resistance), often managed initially with lifestyle changes and oral medications.

What are the treatment options for Low Testosterone (Low T) in men?

After confirming low testosterone levels with blood tests, Dr. Purcell can discuss various safe and effective testosterone replacement therapy options, such as gels, injections, or pellets, to restore normal hormone levels and alleviate symptoms like fatigue and low libido.

What is a pituitary adenoma?

A pituitary adenoma is a benign tumor of the pituitary gland. Sometimes these tumors cause problems by overproducing hormones or growing large enough to press on nearby structures. Dr. Purcell is an expert in diagnosing and medically managing these tumors.

How can an endocrinologist help with weight management?

Dr. Purcell can investigate and treat any underlying hormonal imbalances that may be contributing to weight gain. They use an evidence-based approach that may include lifestyle counseling and prescription medications for obesity.

What is Hashimoto's disease?

Hashimoto's disease is the most common cause of an underactive thyroid in the U.S. It's an autoimmune disorder where the immune system attacks the thyroid gland, but it's easily managed with hormone replacement therapy.

What are the common symptoms of an underactive thyroid (hypothyroidism)?

Common symptoms of hypothyroidism include fatigue, weight gain, constipation, dry skin, hair loss, and feeling cold. These symptoms are often effectively managed with thyroid hormone replacement therapy, which Dr. Purcell can prescribe and monitor.

What is metabolic syndrome?

Metabolic syndrome is a cluster of conditions, including high blood pressure, high blood sugar, excess belly fat, and abnormal cholesterol levels, significantly increasing the risk of heart disease, stroke, and diabetes. Managing these conditions is a key preventive strategy.

8613 Old Kings Rd S Ste 301
Jacksonville FL 32217
Phone: (904) 280-6650

Dr. John Purcell, MD is regulated by the Florida Statutes, Title XXXII, Chapter 458 (Medical Practice) in Florida and is licensed by The Florida Board of Medicine.

National Provider Identifier (NPI): 1235133505

Registration can typically be verified through The Florida Board of Medicine website or by direct inquiry.

The information on this profile, provided by weprevent.org, is for general informational purposes and to help you connect with preventive health partners. It does not constitute direct medical advice from the physician named. Endocrinologies like Dr. John Purcell are skilled in helping patients create proactive health plans. For urgent or life-threatening emergencies, please call 911 or visit the nearest emergency department. It is always recommended to maintain open communication with your endocrinology about all aspects of your health and your personalized prevention plan.