Providers

Meet Our Physicians:

Onkar Nath Singh, MD 

Ronkar Nath Singh, MD

Dr. Onkar Singh received his M.D. from the prestigious Prince of Wales Medical College in Patna, India in 1971. He began his training in India and later completed his residency at Greater Baltimore Medical Center and Union Memorial Hospital in 1981.  He is now dedicating his practice solely to office gyencology.  Dr. Singh continues to maintain his position as a diplomate of the American Board of Obstetrics and Gynecology.

Laura Maciel Erdman, MD

Laura Maciel Erdman, MD

Dr. Laura Maciel Erdman was born in Mexico and grew up in northern New Jersey. She received her B.S. in Chemical Engineering from Princeton University and earned her M.D. in 1997 from Cornell University Medical College. She completed her residency in Obstetrics & Gynecology at Baylor College of Medicine in 2001, serving as administrative chief resident during her fourth year. Later, she joined the faculty at Baylor as an Assistant Professor of Ob/Gyn. After moving to Baltimore County in 2003, Dr. Erdman spent two years at an inner-city not-for-profit community health center, providing obstetric and gynecologic care to an underserved Hispanic population. Dr. Erdman is board-certified and has been a Diplomate of the American Board of Obstetrics & Gynecology since 2003. In 2006, Dr. Erdman joined Charles Street OB/GYN and has been an integral part of the Charles Street team ever since. Dr. Erdman and her husband reside in Maryland with their four children.

Deb Spinner, CRNP 

Deb Spinner, CRNP

Deb Spinner, CRNP, was born and raised in Baltimore. She received her Bachelor of Science in Nursing from the University of Maryland in 1986 and was employed by Johns Hopkins Hospital for 13 years, working in a general surgical unit, Labor and Delivery, and later in a Post Anesthesia Care Unit. Following her tenure at Hopkins, Deb was employed at York Hospital's Labor and Delivery center for four and a half years. In 2001, she received her Masters of Science at the University of Maryland. She is certified as a Nurse Practitioner in both adult and women's health care. Before joining the Charles Street practice, Deb was a Nurse Practitioner on GBMC's Labor and Delivery suite for 10 years, caring for many of our OB patients. With more than 27 years of experience in the medical field, Deb is an expert in obstetric and gynecologic care.

 

Lindsay Morrell, MD

Dr. Lindsay Morrell grew up in Baltimore County.  She attended Parkville High School and Center for Mathematics, Science, and Computer Science.  She received her B.S. In Biological Science at University of Maryland Baltimore County in 2008 and her M.D. at University of Maryland Baltimore in 2012.   She went on to complete her residency in Obstetrics and Gynecology at Virginia Commonwealth University in Richmond, VA where she served as administrative chief resident during her fourth year of residency.  She returned to Baltimore and entered private practice in 2016.