Iris Xu, PT, DPT
NPI 1639049448 · Physical Therapist · Boston, MA
Iris Xu, PT, DPT is a Physical Therapist provider in Boston, MA (NPI 1639049448).
Provider details
- NPI number
- 1639049448
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT, DPT
- Sex
- Female
- Sole proprietor
- No
- License
- PTL88791 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service 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
- 2025-11-06
- Last updated
- 2025-11-08
- Certified
- 2025-11-08
Frequently asked questions
- What is Iris Xu's NPI number?
- Iris Xu's National Provider Identifier (NPI) is 1639049448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iris Xu's specialty?
- Iris Xu is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Iris Xu located?
- Iris Xu's practice location on file with NPPES is 185 Harrison Ave, Boston, MA 02111-1804.
- What is Iris Xu's phone number?
- The practice phone number listed in the NPPES registry for Iris Xu is (616) 636-5632.
- Is Iris Xu's NPI active?
- Yes — Iris Xu's NPI (1639049448) is active in the NPPES registry as of the last update on 2025-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.