About Us

We’re focused on neurology and sleep medicine. Our specialists are fellowship trained so that it can be translated to a dedicated and comprehensive approach to your care. We are here for you. Patients first. 

Our Providers

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Hanul S Bhandari, MD

Neurologist

Dr. Bhandari is board certified in sleep medicine and neurology. He completed his fellowship training at Baylor College of Medicine. He started his journey by getting his undergraduate training in neurobiology and computer science at the University of Texas (UT) at Austin. He went on to attend medical school at UT Medical Branch and completed his residency training at UT Southwestern. Dr. Bhandari’s primary goal is improving the quality of life for those suffering from debilitating conditions such as sleep disorders, epilepsy, chronic headaches, among other conditions. 

He has called San Antonio home for over 25 years. When he is not spending time practicing, he enjoys spending time with his wife, Darshana, his daughter, Vishnavie, and his son, Vishnum, and his family in addition to painting, traveling, and faceting gemstones. 

Founder & CEO
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Krystine Awwiller, FNP-C, APRN

Nurse Practitioner

Krystine was born and raised in Gambier Ohio and recently moved to San Antonio Texas due to her spouse’s job in the USAF. She has an undergraduate degree in nursing from Muskingum University and a graduate degree in nursing from Walden University specializing as a Family Nurse Practitioner. Krystine is certified by the American Association of Nurse Practitioners. She has 8 years of nursing experience where she spent most of that time as an emergency room nurse. Krystine is excited to join our team here at Nidraveda and help better the lives of her patients.

When not at work, Krystine enjoys spending time with her spouse and two children while exploring the many things that the great state of Texas has to offer. She also enjoys cycling, reading, and traveling.

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Brigitte Pinkerton, FNP-C, APRN

Nurse Practitioner

Brigitte was born and raised in Texas. She completed her Bachelor of Science in Nursing degree from the University of The Incarnate Word in San Antonio, TX. She then earned her Master of Science in Nursing degree from Herzing University, with a concentration in Family Nurse Practitioner. Brigitte is certified by the American Academy of Nurse Practitioners Certification Board and a member of the American Association of Nurse Practitioners. She has nearly 4 years of advanced nursing and travel nursing experience on various units within the hospital. She is excited to join the Nidraveda team, where she will have the ability to positively impact the lives of her patients and provide exceptional care. 

Outside of work, Brigitte enjoys spending time with family, friends, discovering new coffee shops and traveling. She has three dogs that keep her active and enjoys walking them on the park trails of Texas. 

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Ernest Hwang, DDS

Dentist

Dr. Eojin “Ernest” Hwang was born in South Korea and raised in Texas. After getting his Bachelor in Biology at Baylor University in Waco, TX, he has received his DDS degree from UT Health Science Center in San Antonio. Dr. Hwang has been working as a general dentist for the past five years in San Antonio. He loves helping patients with TMJ, migraine, and sleep disorders. He now looks forward to further helping patients at Nidraveda with sleep appliances including MADs.

Dr. Hwang is blessed with a beautiful family of his wife and two children. When he isn’t working he enjoys traveling, attending Spurs games, and taking continuing education courses.