Omni Healthcare

About Us

Professional. Comprehensive. 
Quality Care.


About OMNI Healthcare

OMNI Healthcare is an affordable Health Clinic that believes health care is an essential right of all, and that it can be done in a caring, patient-centered, affordable and accessible way, so that people can get and stay healthy, regardless of their finances.

OMNI Healthcare a primary medical, counseling and pain management clinic welcoming all ages from newborns to seniors. Our providers are committed to providing superior primary and preventive care for your entire family. 


OMNI Healthcare's vision is to health conditions by collaborating and partnering with our community and staffed by high quality professionals and operating in a cost-effective and financially responsible manner.


Our mission is to provide comprehensive, quality and culturally sensitive primary and preventive health care services to the medically under-served in Chicago and surrounding communities ,including the uninsured, under-insured and those with ability to pay.

OMNI Healthcare Doctors and Executive Team

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Dr. Vivek Gupta M.D.

Dr. Vivek Gupta is a primary care physician who brings with him a plethora of experience. He focuses on ambulatory geriatrics, long term care and long term acute care. Dr. Gupta brings years of training and experience with him to Omni Healthcare patients.

He also was an Emergency Psychiatric Crisis Worker at Mount Sinai Hospital in Chicago and has experience with the elderly, internal medicine, and those with borderline personality disorder. Certification: American Board of Internal Medicine, 2010.

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Dr. Eric T. Mizuno

Chicago-native, Dr. Eric Mizuno is a board-certified Internist, Associate Professor at Northwestern Feinberg School of Medicine and Philanthropist who specializes in preventing and reversing disease through nutritional and natural methods.

Dr. Mizuno is an internationally recognized expert on geriatric and natural healing, and has appeared on hundreds of radio and television shows including ABC 7, WGN News, and CBS 2 Chicago. Dr. Mizuno’s is ranked as one of the top three internist in Illinois. Additionally, when disaster struck New Orleans, Dr. Mizuno left his practice at Northwestern to help the victims and provided medical care for more than 5,000 victims. He is excited to be a part of the Omni Healthcare team.


 Wayne C. Williamson MD, F.A.C.P.

Dr. Wayne Williamson has been a practicing physician for over 30 years in the areas of Internal medicine and Geriatric medicine. He has been educated and trained at highly regarded institutions and holds Board certification. Dr. Williamson has had the opportunity to work in a variety of clinical settings and practice models, as well as, being active in the education of medical residents, medical students, physician assistance students and nurses throughout his career.

Dr. Williamson enjoys educating and treating patients on an individual basis, utilizing the latest treatment regimens, while taking into consideration the patient’s individual risk factors and lifestyles. Over the last six years, he has received additional expertise in Wound care and Hyperbaric medicine.


Theresa Siaw

Theresa Siaw is a social entrepreneur currently directing Omni Healthcare, a multi-location health clinic for the underserved. She also runs Omni Medical Student Training, which helps students who have trained at foreign medical schools prepare for residencies in the United States. It is her passion for improving not just the physical health but also the well-being of the community in which has inspired her to be a leader in the community.

Currently, she is working with other community partners at the Omni Healthcare Division Street location to launch a program to reintegrate former gang members back into the Humboldt Park community in a positive, productive way.


OMNI Healthcare Staff

For all Media and PR inquiries please contact the Exclusive PR team at 847-703-0529 or e-mail