Fiona Tsang
NPI 1225984180 · Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Fiona Tsang is a Psychiatric/Mental Health Nurse Practitioner provider in Boston, MA (NPI 1225984180).
Provider details
- NPI number
- 1225984180
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN10015763 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-03-04
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Fiona Tsang's NPI number?
- Fiona Tsang's National Provider Identifier (NPI) is 1225984180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fiona Tsang's specialty?
- Fiona Tsang is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Fiona Tsang located?
- Fiona Tsang's practice location on file with NPPES is 36 1st Ave, Boston, MA 02129-4557.
- What is Fiona Tsang's phone number?
- The practice phone number listed in the NPPES registry for Fiona Tsang is (617) 726-2000.
- Is Fiona Tsang's NPI active?
- Yes — Fiona Tsang's NPI (1225984180) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.