William Schrettner
NPI 1700333853 · Physical Therapist · New York, NY
William Schrettner is a Physical Therapist provider in New York, NY (NPI 1700333853).
Provider details
- NPI number
- 1700333853
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 040615 (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
9 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
- 2016-09-07
- Last updated
- 2019-12-31
- Certified
- 2019-12-31
Frequently asked questions
- What is William Schrettner's NPI number?
- William Schrettner's National Provider Identifier (NPI) is 1700333853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schrettner's specialty?
- William Schrettner is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Schrettner located?
- William Schrettner's practice location on file with NPPES is 170 E 77th St, New York, NY 10075-1912.
- What is William Schrettner's phone number?
- The practice phone number listed in the NPPES registry for William Schrettner is (212) 249-5332.
- Is William Schrettner's NPI active?
- Yes — William Schrettner's NPI (1700333853) is active in the NPPES registry as of the last update on 2019-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.