Meet Our Providers

Our Providers

At Commonwealth Ob-Gyn, located in Brookline Village near downtown Boston, our all-female team of highly skilled, experienced providers specialize in women’s wellness, obstetrics and gynecology.


Ashley D. Ackerman, M.D.

Medical School: Boston University School of Medicine, 2000

Residency: Massachusetts General, Brigham and Women’s Hospital, 2004



Blair Tullock Lacy, M.D.

Medical School: Tufts University School of Medicine, 2007

Residency: Dartmouth Hitchcock Medical Center, 2011



Randi Leigh, M.D.

Masters of Public Health: Drexel University College of Medicine, 2006

Medical School: Drexel University College of Medicine, 2009

Residency: Hofstra North Shore LIJ School of Medicine, 2013



Hannah J. Parker, M.D.

Medical School:​ Harvard Medical School, 1998

Residency:​ Massachusetts General Hospital, Brigham and Women’s Hospital, 2002



Charissa J. Pettyjohn, M.D.

Medical School:​ Medical College of Wisconsin, 2005

Residency: ​ Tufts Medical Center and Affiliates, 2009



Jessica Euler Nolan, N.P.

Bachelor of Science in Nursing:​ Boston College, 2002

Master of Science in Nursing, Women’s Health Care Nurse Practitioner Program: University of Pennsylvania School of Nursing, 2008




Contact Commonwealth Ob-Gyn

If you would like to learn more about Commonwealth Ob-Gyn, our providers, and our women’s wellness, obstetrical, and gynecological services, we encourage you to call and schedule your appointment today.

Commonwealth Ob-Gyn