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

Mary Helen Darcy, NP

Individual provider Obstetrics & Gynecology Nurse Practitioner · NPI 1316935455

Mary Helen Darcy, NP is a Nurse Practitioner in Medford, Massachusetts. Qualified in 1982, 44 years ago. Practices with Hallmark Health Medical Associates Inc, a 149-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
44
Licensed in
MA
In the registry since
2005
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

101 Main St Ste 217
Medford, MA 02155-4540
Phone: (781) 395-6000
Fax: (781) 395-4703
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence 154282 (MA)

Record details

NPI number1316935455
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 12, 2005
Last updated in NPPESApril 4, 2013

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Hallmark Health Medical Associates Inc — 149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare