

Dr. Sathish Karmegam, MD, MMM, FACP
Internist
619 Matlock Centre Circle Arlington TX, 76015About
Dr. Sathish Karmegam, MD, MMM, FACP, is a board-certified internist and nephrologist serving the Denton and Arlington, Texas communities. With over two decades of clinical experience, he is recognized for his expertise in managing complex chronic conditions, including kidney disease, diabetes, hypertension, and thyroid disorders. Dr. Karmegam is known for his patient-centered approach, thoroughness, and compassionate care, earning high praise from patients for his attentive listening and clear communication. He leads as the founding Program Director of the Internal Medicine Residency Program at Medical City Arlington, one of the region’s largest training programs. Dr. Karmegam actively contributes to medical research, with publications on calciphylaxis and acute chylous ascites, and is dedicated to advancing medical education.
Dr. Sathish Karmegam, MD, MMM, FACP's Videos
Education and Training
Stanley Medical College MD 2003
Institute for Healthcare Improvement, Certificate on Patient Safety, Quality Improvement and Leadership CHCQM (Certificate in HealthCare Quality and Management): ABQUARP 0
University of Southern California Master of Medical Management (MMM) - Medical Entrepreneurship 2015
Board Certification
Fundamental Critical Care Support
American Board of Internal Medicine – Certified in Nephrology
American Board of Internal Medicine – Certified in Internal Medicine
American Board of Internal Medicine - Hospital Medicine
Provider Details

Dr. Sathish Karmegam, MD, MMM, FACP's Expert Contributions
How do you manage patients with kidney stones?
Kidney stone removal depends on the type, size and location. Small stones may often be passed through the urinary tract without any treatment. Whereas larger stones can block the urinary tact and cause significant pain, needing urgent treatment. Urologists can remove kidney stones or break them into small pieces with treatments like Shock wave lithotripsy, Ureteroscopy and Percutaneous nephrolithotomy. Analyzing composition of the kidney stones help guide the treatment and prevention strategies. READ MORE
What lifestyle changes can I make to improve my brain health and reduce the risk of neurological diseases?
Changes to the body and brain are normal as one ages. There are things that we can do to improve brain health and reduce the risk of neurological diseases through getting regular exercise and plenty of sleep, staying mentally active by reading, doing cross word puzzles, following a Mediterranean diet, avoiding smoking and alcohol consumption. Also keeping the chronic conditions in check by controlling the blood pressure, blood sugars and cholesterol levels can help preserve the cognitive function by preventing the risk of strokes and dementia. READ MORE
How can I manage symptoms of microscopic colitis?
As microscopic colitis causes chronic diarrhea due to inflammation in the colon, treatment typically involves bulk forming agents like psyllium, antimotility and antiinflammatory agents such as steroids can also be used. READ MORE
What are the details of different types of treatments for ear infections?
As the ear is made up of external ear, middle ear and inner ear, all these areas can get infected. Most viral infections may resolve on their own, whereas bacterial infections need either antibiotic ear drops or oral antibiotics. In cases with recurrent infections, placement of ear tubes can help prevent further infections by draining fluid. READ MORE
What are the details of different types of treatments for kidney stones?
Kidney stone removal depends on the type, size and location. Small stones may often be passed through the urinary tract without any treatment. Whereas larger stones can block the urinary tact and cause significant pain, needing urgent treatment. Urologists can remove kidney stones or break them into small pieces with treatments like Shock wave lithotripsy, Ureteroscopy and Percutaneous nephrolithotomy. Analyzing composition of the kidney stones help guide the treatment and prevention strategies. READ MORE
Can I drink coffee before a CT scan?
Yes, you can drink coffee before a CT scan without contrast. But if you are ordered to do a CT scan with contrast, you will likely be asked to fast for a few hours prior to the scan. READ MORE
How do you manage patients with celiac?
Celiac disease is managed by strict adherence to a glutenfree diet, which can help control the symptoms by reducing inflammation in the small intestine. Regular follow up for various health conditions such as anemia, nutritional deficiencies, skin rash, early onset osteoporosis or osteopenia and screening for other autoimmune conditions is also required. Collaborating with dietitians also help effectively manage the condition. READ MORE
How does my age impact the type and dosage of anesthesia you would use?
The type of anesthesia and its dosage may significantly be impacted by age. Older adults generally need lower doses of anesthetic drugs due o increased sensitivity to their effects, altered pharmacokinetic and pharmacodynamic properties and increased risk for complications such as postop delirium and cognitive dysfunction. So, keeping various factors in mind, anesthesiologists tailor the dosage and anesthetic type based on the individual needs of the patient. READ MORE
What are the side effects of endoscopy?
Endoscopy is generally a safe procedure with minimal side effects such as sore throatdue to insertion of the endoscope through the throat, bloating and gasdue to introduction of air into the abdomen and mild cramping. Serious complications like perforation and bleeding are very rare. READ MORE
What are the side effects of using local anesthesia?
Local anesthetics are generally considered safe and are well tolerated. Some common side effects include continued numbness, weakness, twitching, swelling, pins and needles sensation at the injection site. Less common side effects are allergic reaction to the anesthetic, dizziness, hypotension, confusion and arrhythmias. READ MORE
How do you treat heart arrhythmias?
Heart arrhythmias can be treated with antiarrhythmic drugs, blood thinners, a procedure that delivers shock to restore a normal rhythm called cardioversion, or catheter ablation to destroy the accessory tissue thats firing the abnormal signals. They can also be treated with implantable devices like pacemakers and defibrillators. Treatment is highly individualized, taking multiple factors into consideration. READ MORE
Is an MRI scan painful?
No, MRI is not painful. Enclosed space can cause anxiety in some people, while lying still when the machine produces loud and repetitive sounds could be uncomfortable in some. But the procedure itself is not painful. READ MORE
Will I need to remove any jewelry or metal objects before my imaging test?
Yes, it is generally recommended to remove any jewelry or metal objects because they can interfere with the xrays that are used in the CT scan. This can cause artifacts or obscure the important anatomic details. READ MORE
What are the treatment options for celiac disease?
Celiac disease is managed by strict adherence to a glutenfree diet, which can help control the symptoms by reducing inflammation in the small intestine. Regular follow up for various health conditions such as anemia, nutritional deficiencies, skin rash, early onset osteoporosis or osteopenia and screening for other autoimmune conditions is also required. Collaborating with dietitians also help effectively manage the condition. READ MORE
What are the treatment options for thrombocytopenia?
Treatment options for thrombocytopenia depends on the cause and severity. It includes corticosteroids, intravenous immunoglobulins, immunosuppressants, medications that stimulate bone marrow to produce platelets, platelet transfusion or splenectomy. Evaluating the underlying cause and addressing it, along with careful monitoring, is important for better outcomes. READ MORE
How can I reduce my risk of stroke?
Stroke reduction depends on various factors like controlling blood pressure blood sugar and cholesterol levels. Maintaining a healthy lifestyle like quitting smoking, exercising regularly and also avoiding illicit drug use. Managing the existing medical conditions like atrial fibrillation and heart diseases can also significantly help to reduce the risk of stroke. READ MORE
When is an animal bite considered a medical emergency?
Animal bite is considered a medical emergency if there is deep puncture wounds especially on the hands and feet, if the skin is badly torn with crush injuries and bleeding severely. Any signs of redness and swelling around the wound indicates a sign of infection. If the bite is from a wild animal or if the vaccine status of the animal is unknown, then its also important to seek medical attention immediately. READ MORE
What are the potential causes of migraines?
Potential triggers for migraines include stress, irregular sleep schedule, hormonal changes during menses, over exertion, excessive sensory stimuli, foods like chocolate, cheese and also dehydration. Identifying the triggers and avoiding it can help reduce the migraine frequency. READ MORE
What are the potential causes of chronic nausea and vomiting?
There are multiple causes for chronic nausea and vomiting. To name a few, it can be due to gastroparesis, intestinal obstruction, chemotherapy, intracranial tumors, motion sickness, migraines, hepatitis and ear issues such as benign paroxysmal positional vertigo. Evaluation of underlying cause is important to guide the appropriate treatment. READ MORE
What treatments help with scoliosis?
Treatment for scoliosis depends on the size of the curve. Patients with milder curves doesnt require treatment but needs regular checkups to monitor the growth of the curve. Whereas patients with moderate and larger curves require bracing and spinal fusion. READ MORE
Areas of expertise and specialization
Faculty Titles & Positions
- Program Director HCA Medical City Arlington Internal Medicine Residency Program 2019 - Present
- Former Assistant Professor of Medicine University of Arizona College of Medicine -
Awards
- Best Resident Teacher Award 2005 St John of God Hospital, Perth
- Dean’s List 2013 Marshall School of Business, USC
- 1st Prize, ‘Bright Ideas’ Poster Competition 2012 Leadership and Management in Geriatrics, UCLA
- ‘David Watson’ Best Resident Teacher Award 2007 St John of God Hospital, Perth, Australia
- Best House Officer (Medicine) Award 2007 St John of God Hospital, Perth, Australia
- Honors in Anatomy, Pathology, Ophthalmology and Clinical Medicine Year
Professional Memberships
- American College of Physicians
- American Society of Nephrology
- Fellow, American College of Physicians
- American Society of Diagnostic and Interventional Nephrology
- American Association for Physician Leadership
- American College of Healthcare Executives
- American Board of Quality Assurance and Quality Review Physicians
Fellowships
- UCLA, Los Angeles CA Faculty Development to Advance Geriatric Education 2012
- Methodist Hospital Dallas Nephrology 2018
Fellowships
- UCLA, Los Angeles CA2012Faculty Development to Advance Geriatric Education; Methodist Hospital Dallas2018Nephrology
Professional Society Memberships
- American College of Physicians, American Society of Nephrology, Fellow, American College of Physicians, American Society of Diagnostic and Interventional Nephrology, American Association for Physician Leadership, American College of Healthcare Executives, American Board of Quality Assurance and Quality Review Physicians
Professional Affiliations
- American College of Physicians
What do you attribute your success to?
- He attributes his success to his excellent training and education that he has received all over the world.
Dr. Sathish Karmegam, MD, MMM, FACP's Practice location
Texan Primary Care
619 Matlock Centre Circle -Arlington, TX 76015Get Direction
Heal Well Wound Care, Texan Primary Care
3537 Interstate 35 South Ste 320 -Denton, TX 76210Get Direction
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Dr. Sathish Karmegam, MD, MMM, FACP's reviews
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Board-Certified Physician Brings Over Two Decades of Expertise to Medical City Denton, Medical City Arlington, and Texan Primary Care
Dr. Sathish Karmegam, MD, MMM, FACP, a distinguished internist and nephrologist, is making significant strides in patient-centered care at Medical City Denton, Medical City Arlington, and Texan Primary Care. With over 20 years of medical experience, Dr. Karmegam is renowned for his comprehensive approach to internal medicine and kidney health, serving the Denton and Arlington communities with dedication and expertise.
Dr. Karmegam’s medical journey commenced at Stanley Medical College in India, followed by house officer training in the UK and Australia before his internal medicine residency at the Kirk Kerkorian School of Medicine at UNLV from 2007 to 2010. He further specialized with a nephrology fellowship at Methodist Hospital Dallas between 2016 and 2018. Augmenting his clinical acumen, he earned a Master of Medical Management (MMM) from the University of Southern California, focusing on medical entrepreneurship from 2013 to 2015. His board certifications in both Internal Medicine and Nephrology underscore his commitment to excellence in patient care.
At Texan Primary Care, located near Medical City Denton and Medical City Arlington, Dr. Karmegam addresses a broad spectrum of health conditions. His expertise encompasses chronic diseases such as diabetes, hypertension, thyroid disorders, and kidney-related ailments. Patients commend his thoroughness and compassionate bedside manner, with one noting, “Dr. K was great! He listened to my concerns and we talked through them; I felt a lot better when I left.”
Beyond his clinical practice, Dr. Karmegam is actively involved in medical research and education. He has co-authored peer-reviewed articles on topics like calciphylaxis and acute chylous ascites, contributing valuable insights to the medical community. He is the founding Program Director of the Internal Medicine Residency Program at Medical City Arlington, TX, which is now one of the largest training programs in the country. Fluent in English and Tamil, he ensures effective communication with a diverse patient population, enhancing the quality of care provided.
Dr. Karmegam’s academic affiliations with esteemed institutions like Medical City Denton, North Hills, and Arlington reflect his dedication to collaborative and innovative healthcare delivery. His integrative approach, combining internal medicine and nephrology, positions him as a pivotal figure in advancing patient health outcomes in Denton, Arlington, and the surrounding regions.
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MEDICAL CENTER OF ARLINGTONl
3301 MATLOCK ROAD ARLINGTON TX 76015