Find a Top Internist Near Me in Denton, TX – Book an Appointment Instantly

John Melek, MD, MSC, is a highly experienced, board-certified physician leading the team at The Beloved Medical Clinic, Pain and Spine in Dallas, Texas. He has specialized expertise in both internal medicine and interventional pain management. 

Dr. Melek graduated from the University of Alexandria Medical School in Egypt. He then finished his general surgery residency and two-year colorectal fellowship. Dr. Melek then relocated to the United States and completed an internal medicine residency at Mercy Hospital, affiliated with The University of Chicago Medical Center. 

Dr. Melek is dedicated to helping patients overcome chronic pain and regain their physical independence. He focuses on treating complex musculoskeletal and spinal conditions with safe, minimally invasive, non-surgical therapies designed to keep patients out of the operating room. 

By combining his advanced clinical training with a deeply compassionate and holistic approach, Dr. Melek creates personalized care plans that address the root causes of discomfort and significantly improve your overall quality of life. 

To schedule an appointment with Dr. Melek, call The Beloved Medical Clinic, Pain and Spine, or request an appointment online today. 

Dr. Sam Abraham is an Internist located in Richardson Texas who has been practicing medicine for more than 15 years and is board certified in Internal Medicine. His medical philosophy is to treat the whole patient through both diagnosis and education, helping to provide patients with the tools and treatment they need to prevent disease and reverse negative health impacts.

Dr. Abraham is a firm believer in cost-effective healthcare, and his clinic has been designed to provide convenient access to medical care for prompt attention, diagnosis and treatment without unnecessary tests or delays.

Dr. Abraham is not only a compassionate professional with experience working with patients of all ages, but he’s also a respected medical leader and has been an Assistant Professor of Medicine at the University of North Texas Health Science Center, where he has trained hundreds of medical students to provide the best in medical care.

He received his bachelor’s degree with a major in Biology and minor in Respiratory Therapy, Magna Cum Laude, from Stephen F. Austin State University in Nacogdoches, Texas. He completed graduate studies at the University of North Texas Health Science Center in Fort Worth and received his M.D. from University of Health Sciences, St. Johns. He completed his Internal Medicine residency at Methodist Dallas Medical Center. In addition to his internal medicine expertise, Dr. Abraham is currently completing a certification in Integrative Holistic Medicine.

Prior to establishing Texas Primary Care Center, Dr. Abraham was part of the Internal Medicine Department at Parkland Memorial Hospital as well as at the Federal Medical Center of Carswell. He has served as an Associate Medical Director of Tarrant County Correctional facility and has spent the last several years teaching and supervising Internal Medicine residents, Family Medicine residents, and other medical students.

Caring for patients with accessible, personal, and cost-effective treatment is what Dr. Abraham enjoys most, which is why he has established a new private practice in the Richardson/Plano area. Dr. Abraham has privileges at Methodist Richardson Medical Center and Plano Medical Center. He lives in Richardson with his wife and two children. He is very involved with his church, and he enjoys traveling and music.

 Dr. Ava Karimi is a Board-Certified Internal Medicine Physician with an MD/MBA, blending clinical excellence with strategic leadership to deliver patient-centered, value-based care. At Southwest Mind and Body, she specializes in medical weight loss programs and functional medicine, helping patients achieve sustainable, whole-body wellness through personalized, integrative care.

Her background spans complex case management, quality improvement, and community-based preventative medicine, with a strong focus on chronic disease management and reducing disparities in care. She also holds advanced training in aesthetic medicine, complementing her holistic approach to patient wellness.

Her MBA shapes how she leads: identifying systemic inefficiencies, building collaborative teams, and implementing solutions that elevate both patient outcomes and operational performance. She is recognized for teaching excellence and a deep commitment to mentoring the next generation of physicians.

Gary E. Goff, MD, has come to be known as one of the leading physicians serving Dallas and North Texas families. His combination of reputable training, extensive experience, and compassionate service have set him apart, leading to long-term relationships with his patients built on trust and integrity. He specializes in the diagnoses, treatment, and prevention of chronic illnesses, cardiac health, cancer, diabetes, preventative medicine, common ailments, and more.

Dr. Goff attended Hardin Simmons University in Abilene, Texas, where he completed his undergraduate degree. Following undergraduate studies, Dr. Goff moved on to Dallas to attend the University of Texas Southwestern Medical School to complete his medical degree in 1993. He underwent his internship and residency training at Parkland Memorial Hospital and St. Paul University Hospital, both prestigious medical facilities.

Following the completion of his residency program, Dr. Goff gained extensive experience serving in many roles throughout the healthcare system. He has worked in affiliation with Baylor University Medical Center in Dallas, served as the medical director for both the Baylor Ellis County Community Health Clinic as well as the Pleasant Manor Nursing Center in Waxahachie, Texas, and created his own vibrant medical practice. Throughout these experiences, he has come to be seen as a caring and dedicated physician committed to community wellness.

Dr. Goff is board certified with the American Board of Internal Medicine and is a proud member of the Texas Medical Association, the Medical Group Management Association (MGMA), the American Medical Association, the Texas Medical Directors Association, and the Dallas County Medical Society. In addition, he has received numerous awards and recognitions, including the Republican Gold Medal Award for 2002 and 2003 and the Courtesy Staff Physician at Baylor University Medical Center.

Dr. Linh Ba Nguyen is a highly regarded internist, with a specialization in Sleep Medicine, practicing in the Dallas-Fort Worth Metroplex area. He and his wife Dr. Thuy Ngoc Nguyen treat their patients from the warm and comfortable Prima Health Clinic in Garland, TX.

Dr. Linh Ba Nguyen grew up in Houston and later attended the University of Dallas at Irving where he graduated Magna Cum Laude with a Bachelor’s degree in Biochemistry. He then went to the UT San Antonio Medical School and completed his internship in Internal Medicine. Dr. Nguyen transferred to the UTMB to complete his residency in Internal Medicine. He then joined the Prima Health Clinic in 1993. Dr. Nguyen is also board certified in Sleep Medicine, which he obtained in 2010.

Dr. Linh Ba Nguyen spends his spare time with the three daughters he has with his wife and is an avid runner. He has even run in marathons and a few triathlons.

Dr. Thuy Ngoc Nguyen is a leading internist in the Dallas-Fort Worth Metroplex area with a focus on Anti-Aging, Regenerative and Functional Medicine. She practices at the Prima Health Clinic in Garland, TX, with her husband, Dr. Linh Ba Nguyen. Patients of the clinic can expect their overall health and wellbeing to be cared for by highly experienced medical professionals.

Dr. Thuy Ngoc Nguyen is a native of Dallas and grew up assisting her father Dr. Thanh Nguyen at the Prima Health Clinic. She attended the University of Dallas in Irving and graduated with Bachelor’s degree as Cum Laude in Biology. She then went to the University of Texas Medical Branch in Galveston. Dr. Nguyen then returned to Dallas for her Internship and Residency training in Internal Medicine at the Presbyterian Hospital of Dallas. Dr. Nguyen then joined her husband, Dr. Linh Ba Nguyen, and father at the Prima Health Clinic in 1996.  She is devoted to early detection and determining the root cause of illnesses through functional testing. She also provides lifestyle and nutritional therapy. She is currently undergoing a Fellowship in Anti-Aging, Regenerative, and Functional Medicine.

When not practicing medicine and caring for patients, Dr. Thuy Ngoc Nguyen spends time with her three daughters.

Ravi Siripurapu, MD, is an experienced internal medicine physician and the founder of Medical Associates of North Texas in Fort Worth, Texas. He is dedicated to providing a wide range of primary care services for adults of all ages.

Dr. Siripurapu established Medical Associates of North Texas in 2015 to serve the Fort Worth community with the vision of providing quality patient-centered medical care. He graduated from the prestigious Andhra Medical College in India. After graduating, he flew across the globe to work in the Caribbean. Beginning in 1998, he trained and worked in the emergency room for five years in Jamaica, West Indies.

He completed his internal medicine residency in the United States at the Mount Sinai School of Medicine in New York, finishing in 2007. He then began practicing in a traditional internal medicine office in Riverside County, California. In 2010, Dr. Siripurapu moved to Lone Star State and proudly calls it home. He currently practices in Fort Worth's Medical District.

Dr. Siripurapi is fluent in three languages and is happily married with two wonderful children. In his free time enjoys swimming, music, and working with local non-profit organizations.

Suresh Kankanala, M.D., is a board-certified internal medicine physician, educator, and physician leader in Fort Worth, Texas. He provides outpatient care at Medical Associates of North Texas, seeing individuals at both the Fort Worth hospital district location and the Weatherford clinic, serving residents across Tarrant County, Parker County, and Johnson County, and also provides inpatient care at Baylor Scott & White All Saints Medical Center.

Dr. Kankanala serves as Associate Professor and Clerkship Director in the Department of Internal Medicine at the Burnett School of Medicine at Texas Christian University (TCU) and is Core Faculty for the Internal Medicine Residency Program at Baylor Scott & White All Saints Medical Center, reflecting his strong commitment to medical education and physician training.

Dr. Kankanala earned his medical degree from Andhra Medical College in Visakhapatnam, India, one of the oldest and most prestigious medical institutions in the country. He subsequently completed postgraduate training in general surgery at Guntur Medical College before moving to the United States, where he completed his Internal Medicine residency at Canton Medical Education Foundation in Canton, Ohio.

Since beginning his practice in Fort Worth in 2010, Dr. Kankanala has developed extensive experience managing complex and high-acuity medical conditions. In 2016, he co-founded Medical Associates of North Texas with Dr. Ravi Siripurapu with the goal of delivering comprehensive, patient-centered care to the community.

Dr. Kankanala previously served as Chief of the Department of Medicine at Baylor Scott & White All Saints Medical Center. In his outpatient practice, he focuses on building long-term relationships while managing both acute and chronic medical conditions. He emphasizes preventive care and proactive disease management to help individuals maintain their health and avoid hospitalizations. He also has a special interest in caring for complex internal medicine conditions, including pre- and post-operative as well as transplant-related medical issues.

Outside of medicine, Dr. Kankanala enjoys playing tennis and golf and following professional sports, particularly the NFL and NBA.