LOCAL HEALTHCARE PROVIDERS
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163 providers
Availability last updated 09/20/2026
Nimisha Mehta, MD
Internist
860 Hebron Parkway #401
Lewisville, TX 75057
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. Sam Abraham, MD
Internist
3617 Shire Boulevard
#100
Richardson, TX 75082
David De La Loza, MD
Internist
1720 Lakepointe Drive
117
Lewisville, TX 75057
Laurene Spencer, MD
Internist
1720 Lakepointe Drive
117
Lewisville, TX 75057
Delano Fabro, DO
Pulmonologist
2107 N Collins Blvd
Richardson, TX 75080
Richard Deleon, DO
Internist
224 W Campbell Rd
Suite 222
Richardson, TX 75080
Ravi Patel, MD
Internist
12720 Hillcrest Rd.
#207
Dallas, TX 75230
Shay Mayya, MD
Internist
5930 Royal Ln, Ste E-119
Dallas, TX 75230
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.
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Dr. Linh Nguyen, MD
Internist
8345 Walnut Hill Ln
#105
Dallas, TX 75231
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.
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Dr. Thuy Nguyen, MD
Internist
8345 Walnut Hill Ln
#105
Dallas, TX 75231
Vivian Agumadu, MD
Internist
7214 State Hwy 78
Ste 38
Sachse, TX 75048
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