Margaret A Johnstone is a Psychiatric/Mental Health Nurse Practitioner based in Concord, CA and is specialized in Psychiatric/Mental Health. Margaret A Johnstone practices in Concord, CA and has the professional credentials of RNNP. The NPI Number for Margaret A Johnstone is 1134229347 and holds a License No. 14501 (California).
The current practice location address for Margaret A Johnstone is 2740 Grant St, Concord, CA and can be reached out via phone at 925-285-5431 and via fax at 925-847-5599.
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