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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.

Doctor Kouri is a lover of people. He comes to us from a background of practicing urgent care and occupational medicine for the last seven years. He was the managing physician of an integrated care clinic in San Diego, CA. Prior to specializing in urgent care, he practiced family medicine for nine years in the US Navy at Camp Pendleton, CA and private practice on an Indian reservation in Temecula, CA. He, his wife, and five sons recently moved to Fort Worth, TX to grow the family and practice integrated functional medicine at our clinic. He welcomes new patients and looks forward to seeing you.