Dr. Dr. Alan Armstrong
Emergency Medicine Physician | Clinic Provider at Gameday Men’s Health

- Doctor of Medicine (MD) – Medical University of South Carolina
- Residency in Family Medicine – Medical University of South Carolina
- Board-Certified Emergency Medicine Physician
- Medical Director | 23+ Years Clinical Experience
Dr. Armstrong is a graduate of the Medical University of South Carolina (MUSC) School of Medicine, where he also completed his Family Medicine residency. His training in both family and emergency medicine has shaped his well-rounded, patient-centered approach that blends deep clinical insight with highly personalized care.
Originally raised on a horse ranch, Dr. Armstrong developed a strong work ethic and a deep sense of responsibility, qualities that continue to guide his approach to medicine today. He is known by patients and colleagues for his thoughtful communication style and ability to quickly connect with patients from all walks of life.
Dr. Armstrong believes that every patient brings a unique story to the exam room, and that effective care starts with listening. His approach emphasizes trust, empathy, and collaboration, creating an environment where patients feel heard, respected, and empowered to reach their health and lifestyle goals. He treats patients with a holistic view of wellness, prioritizing long-term results and overall quality of life.
Away from his work at Gameday Spartanburg, Dr. Armstrong enjoys spending time with his family including his five granddaughters. He’s an avid fan of sports, with a particular love for rugby, football, and golf, and values the same teamwork and discipline in his personal life that he brings to his clinical practice.
Other Professionals

Dr. Haleem Mohammed
Dr. Haleem Mohammed, MD, MBA, is the Chief Medical Officer of Gameday Men’s Health and a board-certified internal medicine physician specializing in hormone optimization, longevity medicine, and men’s health. He leads award-winning clinics in Aventura, Boca Raton, and Weston, FL.

FNP Matthew Miler
Matthew Miller, FNP-C, is a board-certified Family Nurse Practitioner and Clinical Director of Gameday Men’s Health Gilbert and Goodyear. He specializes in hormone therapy, peptide medicine, regenerative treatments, and performance-focused men’s health.

Christopher Tagliavini
Christopher Tagliavini, PA-C, is the Clinical Director and Owner of Gameday Men’s Health Middletown, CT. With 10+ years in urology and men’s health, he specializes in testosterone therapy, ED treatment, and personalized men’s wellness care.

Dr. Justin Hall
Dr. Justin Hall is a board-certified orthopedic spine surgeon and the Medical Director of Gameday Men’s Health Madison. He specializes in spinal reconstruction and men’s health optimization, including hormone therapy and peptide treatments.

FNP Esther Selik
Esther Selik, FNP, is the Clinic Director at Gameday Men’s Health Birmingham/Bloomfield. She specializes in testosterone therapy, medical weight loss, sexual wellness, and peptide treatments with a focus on personalized, evidence-based men’s healthcare.

Dr. Kyle Ricord
Dr. Kyle Ricord, MD, is a Calgary-based physician specializing in family and emergency medicine. He serves as the Medical Director and Owner of Gameday Men’s Health Westsprings, where he focuses on hormone optimization and preventative men’s health strategies.

Dr. Alonso Osorio-Giraldo
Dr. Alonso J. Osorio-Giraldo, MD, is a dual board-certified physician with 24 years of clinical experience in family and emergency medicine. As Medical Director and Owner of Gameday Men’s Health East Texas, he specializes in hormone optimization, performance medicine, and regenerative therapies.

PA-C Mark Rosen
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PA-C Rob Lininger
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Dr. Yesenia Viera
Dr. Yesenia Viera, MD, MSN, APRN, is a board-certified nurse practitioner and medical graduate with advanced training in hormone optimization, preventive men’s health, and evidence-based wellness. As Clinic Director and National Clinical Trainer at Gameday Men’s Health in Weston, FL, she leads with clinical excellence while mentoring providers across the country and helping men improve their vitality and long-term well-being.

Dr. Robert Young
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Dr. Leigh Vinocur
Dr. Leigh Vinocur is a board-certified physician with over 30 years of experience in emergency and ambulatory medicine. As the Medical Director of Gameday Men’s Health in Owings Mills and Frederick, MD, she blends traditional and integrative medical expertise to support men’s hormonal and metabolic health. She is a leader in medical cannabis science and a recognized media contributor in national health communications.