William Sun
NPI 1699549907 · Physical Therapist · New York, NY
William Sun is a Physical Therapist provider in New York, NY (NPI 1699549907).
Provider details
- NPI number
- 1699549907
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 051057-07 (NY)
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
2 yrs in NPPES 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
- 2023-11-08
- Last updated
- 2023-11-08
- Certified
- 2023-11-07
Frequently asked questions
- What is William Sun's NPI number?
- William Sun's National Provider Identifier (NPI) is 1699549907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sun's specialty?
- William Sun is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Sun located?
- William Sun's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4823.
- What is William Sun's phone number?
- The practice phone number listed in the NPPES registry for William Sun is (212) 606-1225.
- Is William Sun's NPI active?
- Yes — William Sun's NPI (1699549907) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.