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Michael Maloy, MD, believes that everyone deserves access to highly skilled medical practitioners in a setting designed for his patients’ comfort. Through his leadership role at Sigma Primary Care, Dr. Maloy provides unparalleled care, personalized to meet the needs of his patients in and around San Antonio, Texas.

Education has always been a central focus for Dr. Maloy. He began his studies at the University of Texas at San Antonio, earning his undergraduate degree in biology. He remained at UT San Antonio to complete his medical degree from the School of Medicine. 

Dr. Maloy completed his residency in internal medicine at the University of Texas Health Science Center-Regional Academic Health Center in Harlingen, Texas, where he then served as an assistant professor of medicine. 

He continues to seek out opportunities to expand his skills and knowledge through ongoing education. 

Dr. Maloy founded Sigma Primary Care in 2016. Over the years, the practice has become an invaluable resource to patients in the Central Texas region. They appreciate how the team takes time to get to know them and their unique set of health needs and goals. 

When not working with patients, Dr. Maloy can be found spending time with his family and enjoying time outdoors hiking in the San Antonio area. He also enjoys weight training as a means of staying healthy and active. 

John Vizuete, MD, MPH, in San Antonio, is an expert and board-certified gastroenterologist with a cutting-edge and innovative approach to the field.

Dr. Vizuete completed his undergraduate studies at the University of Texas in Austin and received his medical degree from the University of Texas Health Science Center in San Antonio. He completed a master’s degree in public health at the University of Texas School of Public Health in Houston.

Dr. Vizuete went on to complete his residency in internal medicine and a fellowship in gastroenterology at the University of Texas Health Science Center. In 2018, he joined the Gastroenterology Clinic of San Antonio.

Dr. Vizuete is committed to providing his patients with individualized care and spends the time necessary to understand the root cause and effects of each symptom. He recognizes that gastrointestinal health is complex and that sometimes a symptom can either be part of a much larger condition or a complex spiritual and emotional issue.

He is devoted to building long-lasting relationships with his patients and always makes himself available to answer their questions. In fact, when you establish care with him, you’ll get Dr. Vizuete’s personal email address for quicker responses and more personal treatment.

Dr. Vizuete is excited about current trends in his field and always strives to offer top-of-the-line, innovative, and interdisciplinary treatment to all of his patients.

John M. Cash, MD, is a dedicated and experienced physician who began his medical career as an Army medic, discovering a deep passion for patient care. He provides expert care to patients and medical oversight at HOOT HRT in San Antonio, Texas.

Dr. Cash's journey led him to the Saba University School of Medicine in The Bottom, Caribbean Netherlands, followed by a rigorous emergency medicine residency at Louisiana State University Health Science Center in New Orleans. Here, Dr. Cash distinguished himself as both a physician and a leader in the field of emergency medicine. His dedication to advancing medical knowledge is showcased by his certification from the Bio-Identical Hormone Replacement Therapy Training Academy.

Currently, Dr. Cash is a cornerstone of excellence at HOOT HRT and in the emergency department. Together with his co-founder, Joe Hamm, PA, he is committed to addressing the critical needs of patients dealing with metabolic health issues, weight loss challenges, and overall wellness. Their mission is to provide comprehensive, patient-centered care that truly makes a difference in patients' lives.

Dr. Cash's personal journey with hormone replacement therapy (HRT) provides him with unique insights into the shortcomings of primary care, especially concerning hormone imbalances and weight management. After experiencing significant improvements in his own quality of life through HRT, despite initial obstacles with primary care and insurance coverage, Dr. Cash is passionate about making these transformative treatments accessible to more men and women.

Joe B. Hamm, MPAS, PA-C, is an experienced physician assistant and the visionary co-founder and partner of HOOT HRT, a leading telehealth clinic based in San Antonio, Texas. With over 12 years of extensive experience, Joe is dedicated to delivering high-quality medical care with a specialized focus on hormone optimization and medically guided weight loss for both men and women.

Joe's comprehensive educational background includes a certificate of completion from the Emergency Medicine Physician Assistant Fellowship Program at Naval Medical Center in San Diego, California, a Master of Science in Physician Assistant Studies, and a Bachelor of Science from the University of Nebraska Medical College. Joe is also certified in Bioidentical Hormone Replacement Therapy (BHRT), having completed an extensive BHRT course, and is a current hormone replacement patient.

With a strong commitment to excellence, Joe's expertise is further honed through military and academic training. Recognized for academic excellence and a member of the Pi Alpha Honor Society, Joe has delivered numerous lectures on various medical topics as an Assistant Adjunct Professor with the University of Nebraska Medical College.

Outside of his professional endeavors, Joe enjoys golf, hiking, his family, F45 workouts, bowling, and Jiu-Jitsu.

Michael Maloy, MD, believes that everyone deserves access to highly skilled medical practitioners in a setting designed for his patients’ comfort. Through his leadership role at Sigma Primary Care, Dr. Maloy provides unparalleled care, personalized to meet the needs of his patients in and around San Antonio, Texas.

Education has always been a central focus for Dr. Maloy. He began his studies at the University of Texas at San Antonio, earning his undergraduate degree in biology. He remained at UT San Antonio to complete his medical degree from the School of Medicine. 

Dr. Maloy completed his residency in internal medicine at the University of Texas Health Science Center-Regional Academic Health Center in Harlingen, Texas, where he then served as an assistant professor of medicine. 

He continues to seek out opportunities to expand his skills and knowledge through ongoing education. 

Dr. Maloy founded Sigma Primary Care in 2016. Over the years, the practice has become an invaluable resource to patients in the Central Texas region. They appreciate how the team takes time to get to know them and their unique set of health needs and goals. 

When not working with patients, Dr. Maloy can be found spending time with his family and enjoying time outdoors hiking in the San Antonio area. He also enjoys weight training as a means of staying healthy and active. 

At NEXXUS Level Primary Care, based in San Antonio, Texas, Constance Henry, NP, offers exceptional primary care services via telehealth. As a dedicated nurse practitioner, she is committed to delivering personalized care for patients ages 13 and up conveniently and comfortably from wherever you are.

At NEXXUS Level Primary Care, we believe healthcare should revolve around the individual, not the other way around. That’s why we take the time to truly listen, understand your needs, and tailor every treatment plan to your specific health goals and concerns. Whether you’re dealing with a sudden illness, managing a chronic condition, or simply keeping up with routine care, we are here to support you every step of the way.

Through virtual visits, we offer a full range of services, including acute care, primary care, chronic care management, lab orders, physical exams, disability documentation and evaluations, and referrals to trusted specialists when needed. You’ll receive the same quality of care you’d expect in a traditional office, without the hassle of waiting rooms or rushed appointments.

To make care more accessible, we offer flexible payment options, including affordable membership plans and additional choices to fit your budget. Plus, with extended hours, you can schedule visits around your busy life, not the other way around.

At NEXXUS Level Primary Care, our goal is simple: to provide compassionate, convenient, and customized healthcare that puts your well-being first. To schedule a telemedicine appointment, call the office or request an appointment online today. 

Cheryl King, MD, is board-certified in internal medicine. She works with patients to detect and treat acute and chronic illnesses at SA Premier Internal Medicine in San Antonio, Texas. 

Dr. King has a particular interest in preventing disease and the benefits of a healthy lifestyle. She believes good communication with her patients is an essential part of the physician-patient relationship and strives to provide evidence-based yet individualized care to each one. 

Dr. King’s initial experience was in the United States Air Force as a general internist at Robins AFB and the US Air Force Academy. She has been practicing in San Antonio for the last 20 years in various aspects, including outpatient medicine, working with long-term care patients in nursing homes, as a clinical researcher, providing home visits, and as a consultant on a mobile clinic. 

Dr. King earned her medical degree from the Northwestern University Feinberg School of Medicine. She completed her residency at the University of Iowa Hospitals and Clinics.

She is a member of the American College of Physicians, the Texas Medical Association, and the Bexar County Medical Society.

Dr. King grew up in a rural farming community in Illinois. Her husband is an emergency medicine physician, and she has two children in graduate school.

Ayham Shneker, MD, is an established internist and the president of SA Premier Internal Medicine. He provides the highest quality of care to his patients in San Antonio, Texas.

He received his medical degree from Damascus University Faculty of Medicine and completed his residency at Texas Tech University.

Practicing medicine for over 20 years, Dr. Shneker is affiliated with many major hospitals and medical groups. He actively runs three clinics and one physical therapy center in the San Antonio area. His passion is centered around his patients’ healthcare, and his goal is to be their trusted and most reliable health provider. 

Dr. Shneker believes that patients’ health is about diagnostics and prescribing drugs. It also involves building long-lasting relationships with patients, taking time to understand their concerns, assessing their cases, following up with their progress, and effectively contributing to their overall wellbeing and liveliness.

He is currently accepting new and existing patients at his San Antonio, Texas, office.