Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret Mahaffy, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1215724828

Margaret Mahaffy, PMHNP is a Nurse Practitioner in Newport News, Virginia. Qualified in 2005, 21 years ago. Practices with Coastal Medical and Psychiatric Services Inc, a 19-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
21
Licensed in
VA
In the registry since
2025
Specialties on file
2
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

825 Diligence Dr Ste 100
Newport News, VA 23606-4271
Phone: (757) 310-6900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 0024194372 (VA)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 0001180024 (VA)

Record details

NPI number1215724828
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedApril 24, 2025
Last updated in NPPESOctober 15, 2025
Certification dateOctober 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Coastal Medical And Psychiatric Services Inc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Newport News