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MS. MADELINE KELLEY O'NEIL
NPI 1033051834
Nurse Practitioner - Family in Boston, MA

Active since April 08, 2026
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 27, 2026, Apr 11, 2026 (2 updates tracked since 2026).

About Ms. Madeline Kelley O'neil NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MADELINE KELLEY O'NEIL (NPI 1033051834) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2358812) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1033051834
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MADELINE KELLEY O'NEIL
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address54 Two Ponds RdFalmouth, MA 02540-2224
Phone(617) 355-6000
Sole ProprietorNo
Enumeration DateApril 8, 2026
Last NPPES UpdateApril 27, 20262 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1033051834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2358812
300 LONGWOOD AVE, Boston, MA 02115
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MISS LAUREN ASHLEY MASTERSON P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Madeline O'neil's NPI number?

The NPI number for Madeline O'neil is 1033051834. It was assigned to this individual provider in the NPPES registry on April 8, 2026.

Where is Madeline O'neil located?

Madeline O'neil practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Madeline O'neil's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Madeline O'neil was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.