About Mary E. O'brien, CRNP
Mary Elizabeth O'brien, CRNP is a primary care nurse practitioner and primary care practitioner. Mrs. Mary E. O'brien has 18+ years of experience in primary care nurse practice.
Education
Mary E. O'brien, CRNP earned a degree of a Certified Registered Nurse Practitioner.
Licenses
Mary E. O'brien, CRNP has been registered with the National Provider Identifier database since November 04, 2005, and her NPI number is 1578554887.
Book an Appointment
To schedule an appointment with Mrs. Mary E. O'brien, please call (301) 490-1990.