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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FIONA JACQUELINE TSANG
NPI 1225984180
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

Active since March 04, 2026
1601 WASHINGTON ST, BOSTON, MA 02118(617) 425-2000(617) 425-2061 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 12, 2026, Mar 4, 2026 (2 updates tracked since 2026).

About Fiona Jacqueline Tsang NPPES

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

FIONA JACQUELINE TSANG (NPI 1225984180) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN10015763) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1225984180
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameFIONA JACQUELINE TSANG
Location Address1601 WASHINGTON STBoston, MA 02118-1951
Mailing Address10 Gove StEast Boston, MA 02128-1931 · (617) 569-5800 · Fax (617) 568-4756
Phone(617) 425-2000
Fax(617) 425-2061
Sole ProprietorYes
Enumeration DateMarch 4, 2026
Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1225984180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN10015763
1601 WASHINGTON ST, Boston, MA 02118
Open in Google Maps ↗

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.

NICAURY VICTORIA SUAZO ORTIZ RN
Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
CHELSEY CUTTING
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
KAYLA FLYNN CNP
Nurse Practitioner (Psychiatric/Mental Health)
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
SARI R KALIN M.S., R.D., L.D.N.
Nutritionist
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
MILAGROS MARIA AVALO RN
Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
CATRINA MARIE MURPHY CNP
Nurse Practitioner (Family)
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
ALISON NOONE MSW
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000
AIDA PALENCIA
Registered Nurse (Community Health)
1601 WASHINGTON ST
BOSTON, MA 02118
Suffolk County (617) 425-2000

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 Fiona Tsang's NPI number?

The NPI number for Fiona Tsang is 1225984180. It was assigned to this individual provider in the NPPES registry on March 4, 2026.

Where is Fiona Tsang located?

Fiona Tsang practices at 1601 Washington St, Boston, MA 02118. The listed phone number is (617) 425-2000.

What is Fiona Tsang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Fiona Tsang was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.