William Siegel, DPT
NPI 1811189590 · Physical Therapist · Larchmont, NY
William Siegel, DPT is a Physical Therapist provider in Larchmont, NY (NPI 1811189590).
Provider details
- NPI number
- 1811189590
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 62 018564 (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
18 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
- 2007-08-15
- Last updated
- 2007-08-15
Frequently asked questions
- What is William Siegel's NPI number?
- William Siegel's National Provider Identifier (NPI) is 1811189590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Siegel's specialty?
- William Siegel is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Siegel located?
- William Siegel's practice location on file with NPPES is 52 Sheldrake Ave, Larchmont, NY 10538-1343.
- What is William Siegel's phone number?
- The practice phone number listed in the NPPES registry for William Siegel is (914) 953-8178.
- Is William Siegel's NPI active?
- Yes — William Siegel's NPI (1811189590) is active in the NPPES registry as of the last update on 2007-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.