Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Bishwas Upadhyay, MD, is a board-certified internal medicine physician at Texas Primary & Pediatric Care in Irving & Celina, Texas. Dr. Upadhyay’s philosophy in medicine is to help the body care for itself. He strongly believes in the power of preventive medicine and places high importance on the doctor-patient relationship. He is known for being attentive and articulate, and finds joy in educating and counseling his patients.
Dr. Upadhyay is originally from the Himalayan country of Nepal. He graduated from Nepalgunj Medical College in Nepal and completed his residency training in internal medicine at Presence Saint Joseph Hospital in Chicago, Illinois, where he served as a chief resident. Afterward, he joined the University of Nevada Reno School of Medicine as an assistant professor of medicine and later served as an academic hospitalist and associate program director for their internal medicine residency program.
In addition to taking care of his patients in the hospital, Dr. Upadhyay also taught medical students and residents in both hospital and primary care settings. During his tenure as the associate program director at the University of Nevada, he developed a quality improvement and patient safety curriculum. He also coached and mentored residents in their quality improvement and patient safety projects.
In addition to his board-certification, Dr. Upadhyay is a fellow of the American College of Physicians and received several awards and recognitions throughout his medical career. Dr. Upadhyay is fluent in English, Nepali, Hindi, and Urdu, allowing him to better serve the diverse patient populations in his community.
Outside of work, Dr. Upadhyay loves hiking, spending time with his family, and traveling. He is also an amateur cook.
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.
Empower your health with Dr. Shari Spitzer. Dr. Spitzer is a board-certified family physician whose career has spanned more than 25 years guiding patients through recovery from cardiac surgery, coronary artery stenting, and post-myocardial infarctions using the power of exercise. As she observed how lifestyle changes positively impacted her patients' overall health, Dr. Spitzer decided to pursue the field of lifestyle medicine.
Now fully certified in both family medicine and lifestyle medicine, Dr. Spitzer is passionate about providing holistic healthcare and lending her expertise to Southwest Mind & Body Care in Dallas, TX. She leads a team of holistic wellness specialists using clinically proven therapeutic lifestyle interventions alongside natural medicine to treat and prevent chronic conditions. Dr. Spitzer is ready to help you make some positive changes to your health and wellness. She can help set goals and make life-changing choices.
When she’s not helping patients, Dr. Spitzer is exercising, cooking, traveling, and spending time with her family.
“Sharing I thoroughly enjoyed my visit. I've learned for a holistic experience that takes insurance for years and you answered my prayers. Looking forward to all of my improvements healthwise.
Johnny Croon.”
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.
Board-certified osteopathic physician who specializes in Infectious Disease, Wound Care, Undersea (Dive) and Hyperbaric Medicine, and Natural Pain Management - with the use of Osteopathic Manipulative medicine and other modalities. He runs a multidisciplinary medical practice with primary interest in Natural Pain Relief
Nominated for Best Resident Teacher Award by medical students as residents (2002)
Elected UW Alumni Representative for class 2001 - University of Washington School of Medicine (2001)
Klea Bartirakas Award - Western Regional Medical Student Research Forum, Carmel, CA, Best Oral Presentation out of over 400 medical students from all over North America (2000)
Best Oral Research Presentation, National Student Research Forum, Galveston, TX - In Epidemiology and Infectious Diseases for AIDS project in North India (1999)
Elected Medical Student Association (MSA) Class Secretary (1999)
Ambulatory Care Achievement Award, Baylor College of Medicine (June 2014)
Outstanding Student Award, Department of Internal Medicine, Texas Tech School of Medicine (2011)
Alpha Omega Alpha Honor Medical Society (2010-present)
University Scholar Award (2005-2006, 2006-2007)
Honoree for College of Science Academic Excellence Reception (2003)
The National Dean's List (2002-2007)
PUBLICATIONS/MEDIA:
Thamwiwat, A, Sudhakar D, Paniagua D, and Denktas AE. Suspected coronary fat embolism after liposuction. Catheter Cardiovasc Interv. 2018;1-4.
Thamwiwat A, Levine GN. Chapter 14: Chest pains and Angina. Cardiology Secrets, 5th Edition. Ed. Glenn N. Levine. Philadelphia: Elsevier, 2018.125-134. Print.
Thamwiwat A, Mejia R, Nutman TB, Bates JT. (2014). Strongyloidiasis as a cause of chronic diarrhea, identified using next-generation Strongyloides stercoralis-specific immunoassays. Curr Trop Med Rep. 2014; 1:145-147.
Hira RS, Thamwiwat A, Kar B. Tandem. Heart placement for cardiogenic shock in acute severe mitral regurgitation and right ventricular failure. Catheter Cardiovascular Interv. 2014;82(2):319-322.
