William Marder, PT
NPI 1992857882 · Physical Therapist · Hamilton, NJ
William Marder, PT is a Physical Therapist provider in Hamilton, NJ (NPI 1992857882).
Provider details
- NPI number
- 1992857882
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 40QA00555200 (NJ)
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
19 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
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Marder's NPI number?
- William Marder's National Provider Identifier (NPI) is 1992857882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marder's specialty?
- William Marder is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Marder located?
- William Marder's practice location on file with NPPES is 2273 Highway 33, Hamilton, NJ 08690-1747.
- What is William Marder's phone number?
- The practice phone number listed in the NPPES registry for William Marder is (609) 586-3322.
- Is William Marder's NPI active?
- Yes — William Marder's NPI (1992857882) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.