LOCAL HEALTHCARE PROVIDERS
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129 providers
Availability last updated 09/29/2026
Greg Tampus, MD
Family Physician
4155 Glen Park Rd
Nottingham, MD 21236
Ndubuisi Okafor, MD, is a board-certified internal medicine physician with over 20 years of experience. At his practice, Okafor Medical Associates, located in Washington, DC, Dr. Okafor offers patients compassionate care for a variety of conditions including chronic disease management, ADHD, and internal medicine concerns as a leading primary care physician.
Dr. Okafor obtained his medical degree from the Howard University Hospital and is board-certified by the American Board of Internal Medicine. He is also specially trained in Advanced Trauma Life Support and Advanced Cardiovascular Life Support.
Dr. Okafor is a registered Civil Surgeon with the United States Center for Immigration Services, so he can provide Immigration Medical examinations with all the required tests in the facility. In addition, is a Registered Certified Medical Examiner with the Federal Motor Carrier Safety Administration, so he can provide medical examination and certification for commercial motor vehicle drivers.
When he is not treating his patients, Dr. Okafor enjoys spending time with his family and pursuing his hobbies which include football, soccer, and running. Dr. Okafor also speaks English, Ibo, Yoruba, and Hausa.
He looks forward to meeting new patients and giving them the best care possible.
Dr. Ndubuisi Okafor, MD
Internist
7603 Georgia Ave NW
Suite 100
Washington, DC 20012
Dr. Ron Rakowski, a board-certified Emergency Medicine physician for more than 25 years, was born and raised in Northern New Jersey and received his undergraduate degree in Biology with honors from Harvard College. He graduated from University of Maryland School of Medicine in Baltimore, MD and completed his Emergency Medicine residency as an active duty USAF officer in the integrated program at Wright Patterson AFB / Wright State University in Dayton, OH. After achieving the rank of Major and completing his obligation to the USAF at The First Fighter Wing Hospital Langley AFB, he separated from the military and became a staff physician and director of the Emergency Department at Mary Immaculate Hospital in Newport News, VA. In 2001, following the birth of his third child, he and his family relocated to Maryland, where he became a staff physician at Frederick Memorial Hospital’s Emergency Department, eventually becoming its Vice Chairman and then Medical Director.
Dr. Rakowski left FMH after 13 years and since has held various appointments, including as an internal travel physician with TeamHealth (staff EM physician at St. Joseph’s in Syracuse, NY and staff EM physician and director at St. Joseph’s in Reading, PA), staff EM physician with Holy Cross Hospital (Germantown, MD), staff EM physician with UPMC (Susquehanna / Williamsport, PA), and staff EM physician with WellSpan (Gettysburg, PA and Good Samaritan in Lebanon, PA). When not in the ED, Dr. Rakowski has organized several medical mission trips to the Amazon basin in Peru and the mountain communities in Costa Rica.
He continues to reside in Maryland with his wife and two dogs. Dr. Rakowski looks forward to his involvement with RediCare Mobile Health Service and the impact the organization will have in keeping our communities at home, safe and healthy.
Ronald Rakowski, MD
Emergency Medicine Physician
12410 Milestone Center Drive
Ste 600
Germantown, MD 20876
John Watts Haresch, MD is a family medicine physician who joined the practice in 2024. He currently focuses on the care of older adults. He previously served as a Regional Medical Officer with the U.S. Department of State, operated a full-spectrum private practice, and has been medical director of organizations meeting the needs of underserved communities. He completed medical school and family medicine residency in the University of North Carolina system.
John Haresch, MD
Family Physician
12800 Middlebrook Road
Suite 204
Germantown, MD 20874
Abraham Mbangowah, MSN, FNP, is a compassionate family nurse practitioner with nearly 15 years of experience working with patients of all ages. He’s highly skilled in all areas of primary, urgent, and preventive care.
Abraham earned his associate's degree in general studies at Prince George’s Community College in Largo, Maryland. He received his bachelor’s degree in nursing at Coppin State University in Baltimore, Maryland, where he graduated cum laude and was a member of the Mary Mahoney Honors Society. Abraham received his master’s degree and family nurse practitioner training at Chamberlain University in Irving, Texas.
He’s a certified family nurse practitioner (FNP). Abraham specializes in general medicine and all areas of primary care, including the treatment of illnesses, diseases, and mental health conditions. He completes continuing education to provide the latest advances in medical care.
Abraham speaks English, French, and Creole. When he’s not working, he enjoys spending time with family and friends.
Abraham is passionate about caring for his patients and warmly welcomes them to Diversity Health Clinic LLC.
Abraham Mbangowah, NP
Nurse Practitioner
4 Executive Park Court
Germantown, MD 20874
Akukeng W. Mba, MSN, FNP, CFCS, is an experienced family nurse practitioner with 15 years of experience, including almost five experience as a foot care specialist. She’s highly skilled in exceeding the general and podiatry needs of patients aged 12 and older.
Akukeng received her bachelor’s and master’s degrees in nursing and family nurse practitioner credentials from Coppin State University in Baltimore, Maryland. She is a registered nurse and family nurse practitioner (FNP) who maintains her advanced medical credentials with continuing education.
Akukeng has worked in hospital and clinic settings. She has expertise in medication administration, nursing education, critical care medicine, healthcare management, advanced cardiac life support, and foot care. Akukeng specializes in routine foot assessments, diabetic foot exams, callus debridement, and managing conditions that affect the toenails.
Akukeng loves spending time with her friends and family when she’s not caring for patients. She welcomes new and existing patients to Diversity Health Clinic LLC and looks forward to improving their health and quality of life.
Akukeng Mba, Family and Psychiatr
Nurse Practitioner
4 Executive Park Court
Germantown, MD 20874
Mercy Obamogie, MD
Family Physician
4903 Georgia Ave Nw
Washington, DC 20011
Paul Newman, MD
Family Physician
9500 Medical Center Dr
Ste 105
Largo, MD 20774
Parai “Rai” Bailey is a valued member of the front desk team at TRiiBE Medical. Born and raised in Southeast Washington, D.C., she graduated from Dr. Henry A. Wise Jr. High School and is currently continuing her education with the goal of becoming a medical assistant.
Rai has experience in both front-office and clinical healthcare settings, where she has assisted patients and supported healthcare providers in delivering high-quality care. These experiences have strengthened her passion for healthcare, patient service, and helping others feel welcomed and supported throughout their care journey.
Outside of work, Rai is the proud mother of a young daughter, who is her greatest joy and motivation. Her long-term goal is to become a nurse practitioner and provide compassionate, high-quality care to patients throughout the DMV area.
Parai Bailey
Family Physician
9500 Medical Center Dr
Suites 105 and 109
Upper Marlboro, MD 20774
Dr. Nancy Rivera, MD
Family Physician
20 Mayo Rd
Ste 201
Edgewater, MD 21037