James Leff, P.T.
NPI 1700042926 · Physical Therapist · Newark, NY
James Leff, P.T. is a Physical Therapist provider in Newark, NY (NPI 1700042926).
Provider details
- NPI number
- 1700042926
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5307 (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
17 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
- 2008-08-07
- Last updated
- 2008-08-07
Frequently asked questions
- What is James Leff's NPI number?
- James Leff's National Provider Identifier (NPI) is 1700042926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Leff's specialty?
- James Leff is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is James Leff located?
- James Leff's practice location on file with NPPES is 848 Peirson Ave, Newark, NY 14513-9762.
- What is James Leff's phone number?
- The practice phone number listed in the NPPES registry for James Leff is (315) 331-2086.
- Is James Leff's NPI active?
- Yes — James Leff's NPI (1700042926) is active in the NPPES registry as of the last update on 2008-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.