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

Anna O'Brien, AGACNP-BC

Individual provider Nurse Practitioner · NPI 1265253439

Anna O'Brien, AGACNP-BC is a Nurse Practitioner in Concord, New Hampshire. Qualified in 2025, 1 year ago. Practices with New Hampshire Oncology-Hematology PA, a 14-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
1
Licensed in
NH
In the registry since
2024

Practice location Address checks out

250 Pleasant St
Concord, NH 03301-7559
Phone: (603) 622-6484
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 085015-23 (NH)

Record details

NPI number1265253439
Entity typeIndividual (Type 1)
GenderFemale
Credentials AGACNP-BC
Sole proprietorNo
NPI enumeratedOctober 21, 2024
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026
Mailing address237 Brook Village Rd Apt 2, Nashua, NH 03062-2851

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice New Hampshire Oncology-Hematology Pa — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Concord