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Margaret Mahaffy, PMHNP

Psychiatric/Mental Health Nurse Practitioner in Newport News, VA · enumerated 2025 · practices at Coastal Medical and Psychiatric Services Inc..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215724828

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Registry record

Entity type Individual (Type 1)
Name Margaret Mahaffy
Credential PMHNP
Sex Female
Practice address Newport News, VA, 23606
Phone (757) 310-6900
Enumeration date Apr 24, 2025
Last updated in NPPES Oct 15, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024194372 (VA) Primary
163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 0001180024 (VA) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Margaret Mahaffy?
The National Provider Identifier (NPI) for Margaret Mahaffy is 1215724828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Mahaffy practice?
The practice location on file with NPPES is in Newport News, VA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-15.