William Conrad Marder, PT
Physical Therapist · Hamilton, NJ
William Conrad Marder, PT is a physical therapist with a practice address in Hamilton, New Jersey, and NPI 1992857882, issued on Jan 18, 2007. Check the license (New Jersey 40QA00555200, as entered in NPPES) with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Conrad Marder
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 40QA00555200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2273 Highway 33, Hamilton, NJ 08690
- Phone
- (609) 586-3322
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 9,733 in New Jersey → Look up another NPI →
Also registered at 2273 Highway 33
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kara Halsey, DPTPhysical Therapist1437553534
- Sean McGarigle, MPT, CSCSPhysical Therapist1982755666
Verify William Conrad Marder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 40QA00555200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Conrad Marder among 9,733 physical therapist records in New Jersey
William Conrad Marder, PT is one of 9,733 physical therapist records with a practice address in New Jersey. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 72% newer
- In a Medicare fileNo · 40% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 physical therapist records list a practice address in Hamilton
They are 84 of the 1,187 NPPES records with a practice address in Hamilton, and 9,733 physical therapist records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,733 in New Jersey → Every provider in Hamilton → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Avanthi AvadhanamHamilton, NJ 086901447668561
- Paula Bal, PTHamilton Square, NJ 086901952534216
- John Beidler, PT/ATCHamilton Square, NJ 086901316919285
- Jennifer FabianHamilton, NJ 086901619253259
- Michele Farrell, PTHamilton, NJ 086901659520690
- Kara Halsey, DPTHamilton, NJ 086901437553534
- Nikita JainHamilton, NJ 086901447587746
- Jennifer Krulewicz, DPTHamilton Square, NJ 086901053495143
Common questions
What is William Conrad Marder, PT's NPI number?
William Conrad Marder, PT's National Provider Identifier (NPI) is 1992857882, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Conrad Marder, PT located?
The NPPES record lists a practice address at 2273 Highway 33, Hamilton, NJ, 08690. Phone: (609) 586-3322. Providers update this record themselves, so call before visiting.
How can I verify William Conrad Marder, PT's license?
NPPES lists New Jersey license number 40QA00555200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.