Our Team

William P. Irvin, M.D., FACOG
Irvin William MDAfter completing his medical degree and OB/GYN residency at the University of Virginia, Dr. Irvin completed fellowship training in gynecologic oncology at Loyola University Medical Center. He is board-certified by the American Board of Obstetrics and Gynecology with additional certification in gynecologic oncology.

Dr. Irvin serves as director of gynecologic oncology and minimally invasive surgery at Riverside Regional Medical Center, where the resident staff has presented him with the Faculty Excellence in Teaching Award six times. His passion for teaching extends to his role as assistant professor at Eastern Virginia Medical School and the Edward Via College of Osteopathic Medicine.

Fayemi S. Johnson, MD
Fayemi S. Johnson, M.D.After earning his medical degree from the University of Liberia, Dr. Johnson completed obstetrics and gynecology residency training and board certification in the United Kingdom. He subsequently completed an obstetrics and gynecology residency at Howard University Hospital in Washington, D.C. Dr. Johnson is eligible for board-certification by the American Board of Obstetrics and Gynecology.

With almost 30 years of experience in medicine, Dr. Johnson practiced in West Africa and the United Kingdom before coming to the United States in 2004. Initially motivated to become a physician by a loved one’s death from cancer complications, he believes that everyone deserves excellent care irrespective of race, religion, sexual orientation or socioeconomic status.

Dr. Johnson provides gynecologic care from teenage years to menopause, in addition to comprehensive obstetric care. His specialties include the B-Lynch procedure—having trained under the surgeon who developed it—in addition to colposcopy, cone biopsy, myomectomy and laparoscopic hysterectomy, with interests in minimally invasive gynecology and global health. Committed to giving the best to anyone under his care, Dr. Johnson listens to his patients’ viewpoints while providing compassionate counseling and holistic care.

Elizabeth M. Reinoehl, DO
Elizabeth Reinoehl DO 2Dr. Reinoehl graduated from Philadelphia College of Osteopathic Medicine.She also completed residency training at PCOM. Dr. Reinoehl served as Chief OB/GYN and Medical Staff Chief in the 319th Medical Group at Grand Forks Air Force Base. She is board-certified by the American Board of Obstetrics and Gynecology.


David R. Scott, MD
Scott David MD 2Dr. Scott graduated from the University of Virginia School of Medicine. He completed residency training at the University of California at San Diego Medical Center. Dr. Scott is board-certified by the American Board of Obstetrics and Gynecology.



Theresa G. Long, NP
Theresa Long NP 3After earning a bachelor’s degree in environmental health from Rutgers University, Dr. Long earned a Master of Science in Nursing from Virginia Commonwealth University, followed by a Doctor of Nursing Practice from the University of Virginia. She is board-certified as a Family Nurse Practitioner by the American Nurses Credentialing Center and as a Certified Diabetes Educator by the National Certification Board for Diabetes Educators.

With nearly 20 years of experience in nursing, Dr. Long is a specialist in diabetes management and education. In response to the Eastern Shore’s high diabetes rate and an identified local need for concentrated management of the disease, she centered her doctoral work on creating a program to increase the community’s access to care. Dr. Long is also a professor at the Tidewater Community College Cooperative Nursing Program on the Eastern Shore, where she’s had the opportunity to teach many Riverside nurses.

As a Nurse Practitioner experienced in women’s health, Dr. Long emphasizes education in addition to diagnosis and treatment. She views each treatment plan as a team effort involving the patient, family and health care providers.

Marissa N. Blair, CNM
Marissa N. Blair, CNMAfter receiving a Bachelor of Science in nursing from Virginia Commonwealth University, Marissa earned a Master of Science in nursing from Old Dominion University and a post-master's Midwifery Certificate from Shenandoah University. She is board-certified by the American Midwifery Certification Board.

Fascinated with the birth process for her entire life, Marissa spent the majority of her 20 years of nursing practice in obstetrics before becoming a certified nurse midwife. She is addicted to that moment when parents first see their babies.

From prenatal care to delivery, postpartum care and contraception counseling, Marissa values her patients' time and strives to make the most of each visit. She approaches her practice with the philosophy that, for most women, pregnancy is a normal, healthy life process—not a disease to be treated. Her goal is to empower women to embrace the physiologic changes of pregnancy and to trust their bodies.