About Margaret A. Johnstone, NP, RN
Margaret A. Johnstone, NP, RN is a psychiatric/mental health nurse practitioner. Ms. Margaret A. Johnstone has 20+ years of experience in psychiatric & mental health nurse practitioner.
Education
Margaret A. Johnstone, NP, RN earned degrees of a Nurse Practitioner and Registered Nurse.
Licenses
Margaret A. Johnstone, NP, RN has been registered with the National Provider Identifier database since September 25, 2006, and her NPI number is 1134229347.
Book an Appointment
To schedule an appointment with Ms. Margaret A. Johnstone, please call (925) 285-5431.