ABOUT US
Our Mission
At New Generation Testing Agency, our mission is to bridge the healthcare gap by delivering accessible, reliable, and compassionate medical testing and screenings to under-served communities. As a full-service mobile healthcare agency, we empower individuals in disenfranchised areas with essential health services, including medical and mental health assessments, while connecting them to a network of dedicated professionals.
With a brick-and-mortar office in Central Columbus and a growing presence across the state, we are committed to fostering partnerships with experts and organizations that promote healthy lifestyles and equitable healthcare access. Together, we strive to create a healthier future for every community we serve.
OUR FOUNDER
Dr. Gregory Hall
Chief Medical Advisor
Physician, Public Health Leader, Medical Educator, and Expert in African American Health
Committed to erasing disparities in health one patient at a time.
A native of Cleveland, Dr. Greg Hall is an internal medicine specialist who brings a patient-centered approach to his practice, providing exceptional care to adults of all races and ethnic backgrounds.
Gregory L. Hall, MD is an internal medicine specialist seeing patients age 18 and over. His currently the medical director of a men’s center and an African American health center at a major hospital in Cleveland, Ohio.
He is the author of “Patient-Centered Clinical Care for African Americans: A Concise, Evidence-Based Guide to Important Differences and Better Outcomes.”
The book, written for medical providers and the first of its kind, gives best practices in clinical care for African Americans.
Dr. Greg Hall has an Associate Clinical Professor appointment at CWRU School of Medicine and a dual appointment on the teaching faculty at Northeast Ohio Medical University College of Medicine as Associate Professor of both Internal Medicine and Integrative Medical Sciences.
In 2002, Dr. Hall received a governor’s appointment to the Ohio Commission on Minority Health and served as Chairman until the fall of 2018. He also serves on Ohio Medicaid’s Medical Care Advisory Committee.
In 2010, he was appointed to the Cuyahoga County Board of Health, which oversees Ohio’s 2nd largest county’s public health programs and services. In 2020, he began serving as the board’s president leading the county through a world-wide pandemic.
He has lectured on various topics ranging from hypertension to health disparities, but his latest passion is to improve the general public’s knowledge about the important differences, and needs, in the health care of African Americans.
Simon Acha, PA-C
Medical Director, New Generation Testing Agency
Physician Assistant | Community Health Clinician | Chronic Disease Specialist
Committed to delivering frontline clinical care where it is needed most.
A Columbus-based Physician Assistant with over a decade of clinical experience across hospital, home health, and community care settings, Simon Acha brings hands-on medical expertise to the heart of New Generation Testing Agency’s mission.
Simon earned his Master of Science in Physician Assistant Studies from Ohio Dominican University in Columbus and holds a Bachelor of Science in Chemistry from Salem State University. He is nationally certified through the NCCPA and holds active ACLS and BLS certifications.
His clinical background spans internal medicine, nephrology, cardiology, emergency medicine, behavioral health, orthopedics, and women’s health — giving him a broad foundation uniquely suited to the diverse health needs of the communities NGTA serves. He has particular expertise in managing chronic conditions including hypertension, diabetes, renal disease, and dialysis care — conditions that disproportionately impact underserved populations.
Simon has served as a Physician Assistant Hospitalist at OhioHealth Grant, Riverside, Mt. Carmel East, and St. Ann Hospital, and currently practices with Theoria Medical, where he provides care across post-acute and long-term care settings in Ohio.
As Medical Director of New Generation Testing Agency, Simon provides clinical oversight and medical direction across NGTA’s mobile screening sites, ensuring every community encounter meets the highest standards of care, compliance, and compassion.
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