About Margaret H. Callahan, CNS
Margaret H. Callahan, CNS is an adult psychiatric / mental health clinical nurse specialist. Ms. Margaret H. Callahan has 15 years of experience in adult psychiatric / mental health nursing (clinical nurse specialist).
Education
Margaret H. Callahan, CNS earned a degree of a Clinical Nurse Specialist.
Licenses
Margaret H. Callahan, CNS has been registered with the National Provider Identifier database since February 27, 2009, and her NPI number is 1487894614.
Book an Appointment
To schedule an appointment with Ms. Margaret H. Callahan, please call (617) 479-4545.