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

Caitlyn Elizabeth O'Brien, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1962100446

Caitlyn Elizabeth O'Brien, FNP-BC is a Nurse Practitioner in Stoneham, Massachusetts. Qualified in 2022, 4 years ago. Practices with Allergy and Asthma Physicians PC, a 5-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
4
Licensed in
MA
In the registry since
2023
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

3 Woodland Rd Ste 217
Stoneham, MA 02180-1711
Phone: (781) 395-2922
Fax: (781) 393-8905
Show map & directions

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

Additional practice locations (1)

  • 79 Erdman Way Ste 101, Leominster, MA 01453-1805 — (978) 537-4805

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN2333093 (MA)

Record details

NPI number1962100446
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedFebruary 23, 2023
Last updated in NPPESNovember 26, 2024
Certification dateNovember 26, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Allergy And Asthma Physicians Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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