Steven W. Demkowicz, D.P.T.
Physical Therapist · Mercerville, NJ
Steven W. Demkowicz, D.P.T. is a physical therapist with a practice address in Mercerville, New Jersey, and NPI 1255478855, issued on Jan 31, 2007. Check the license (New Jersey QA09273, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven W. Demkowicz
- Credential
- D.P.T.
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- QA09273 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2312 Whitehorse Mercerville RD, Mercerville, NJ 08619
- Phone
- (609) 890-6972
- Enumerated
- Jan 31, 2007
- Record last updated
- Jun 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (609) 588-5225
- Medicare enrollment
- Enrolled (PECOS I20051207000052); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 9,733 in New Jersey → Look up another NPI →
Also registered at 2312 Whitehorse Mercerville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven W. Demkowicz 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 QA09273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Trinity Rehab Somerset PAToms River, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven W. Demkowicz among 9,733 physical therapist records in New Jersey
Steven W. Demkowicz, D.P.T. 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. Its NPI, issued in 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 72% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2000 · median 2015 among the 4,191 with a school on file
- Record last updated2014 · 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).
7 physical therapist records list a practice address in Mercerville
They are 7 of the 133 NPPES records with a practice address in Mercerville, and 9,733 physical therapist records in New Jersey.
All 9,733 in New Jersey → Every provider in Mercerville → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Kevin Basile, P.T.Hamilton, NJ 086191346351160
- Michelle Dela Rosa, PT, DPTHamilton, NJ 086191144398249
- Richard Friscia, PTHamilton, NJ 086191982624565
- Neelam Kapadia, PTHamilton, NJ 086191578673471
- Kevin KoobMercerville, NJ 086191417005190
- Andy Koser, PTHamilton, NJ 086191649359480
- Marichandra Murugan, PTHamilton, NJ 086191437368313
- Ekta Rawal, M.AMercerville, NJ 086191336277672
Common questions
What is Steven W. Demkowicz, D.P.T.'s NPI number?
Steven W. Demkowicz, D.P.T.'s National Provider Identifier (NPI) is 1255478855, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven W. Demkowicz, D.P.T. located?
The NPPES record lists a practice address at 2312 Whitehorse Mercerville RD, Mercerville, NJ, 08619. Phone: (609) 890-6972. Providers update this record themselves, so call before visiting.
How can I verify Steven W. Demkowicz, D.P.T.'s license?
NPPES lists New Jersey license number QA09273, 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. Medicare files from data.cms.gov. 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.