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

MS. Deanna Marie McMahon, FNP-C

Individual provider Primary Care Nurse Practitioner · NPI 1215654744

MS. Deanna Marie McMahon, FNP-C is a Primary Care Nurse Practitioner in Marblehead, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2022.

Licensed in
MA
In the registry since
2022
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

1 Widger Rd
Marblehead, MA 01945-2146
Phone: (781) 631-5126
Show map & directions

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

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence RN263972 (MA)

Record details

NPI number1215654744
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedOctober 25, 2022
Last updated in NPPESNovember 7, 2022
Certification dateNovember 7, 2022