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

Dr. Mary Elizabeth Keyes, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1730553371

Dr. Mary Elizabeth Keyes, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Amesbury, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts and New Hampshire.

Licensed in
MA, NH
In the registry since
2015
Specialties on file
2
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

14 Cedar St # 107A
Amesbury, MA 01913-1831
Phone: (978) 358-1898
Fax: (978) 358-1899
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 RN2371789 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 088764-23 (NH)

Record details

NPI number1730553371
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorYes
NPI enumeratedNovember 19, 2015
Last updated in NPPESJuly 24, 2024
Certification dateJuly 24, 2024

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