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

Erin Mary O'Brien, FNP-C

Individual provider Registered Nurse · NPI 1225680747

Erin Mary O'Brien, FNP-C is a Nurse Practitioner in North Andover, Massachusetts. Qualified in 2019, 7 years ago. Practices with Simon Faynzilberg MD PC, a 6-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
7
Licensed in
MA
In the registry since
2019
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

231 Sutton St Ste 1A
North Andover, MA 01845-1620
Phone: (978) 655-1042
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 423 Main St, Rowley, MA 01969-1207 — (802) 777-5171

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN2320796 (MA)
Registered Nurse Taxonomy 163W00000X · Licence RN2320796 (MA)

Record details

NPI number1225680747
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJuly 15, 2019
Last updated in NPPESOctober 2, 2019

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Simon Faynzilberg Md Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in North Andover