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SIERRA STEPP
NPI 1912877416
Nurse Practitioner - Acute Care in Boston, MA

Active since November 10, 2025
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: November 26, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 26, 2025, Nov 10, 2025 (2 updates tracked since 2025).

About Sierra Stepp NPPES

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

SIERRA STEPP (NPI 1912877416) is an individual acute care provider in Boston, Massachusetts, licensed in Massachusetts (RN10028383) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1912877416
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSIERRA STEPP
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorNo
Enumeration DateNovember 10, 2025
Last NPPES UpdateNovember 26, 20252 updates tracked since enumeration
NPPES CertifiedNovember 26, 2025
✔ NPI 1912877416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MA · RN10028383
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 Sierra Stepp's NPI number?

The NPI number for Sierra Stepp is 1912877416. It was assigned to this individual provider in the NPPES registry on November 10, 2025.

Where is Sierra Stepp located?

Sierra Stepp practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Sierra Stepp's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Sierra Stepp was last updated on November 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.