Stephen Kwasniewski, PA
Physician Assistant · Hamilton, NJ
Stephen Kwasniewski, PA is a physician assistant with a practice address in Hamilton, New Jersey, and NPI 1639265408, issued on Oct 5, 2006. Check the license (New Jersey 25MP00107800, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Kwasniewski
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 25MP00107800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2501 Kuser RD Ste 3, Hamilton, NJ 08691
- Phone
- (609) 896-0444
- Enumerated
- Oct 5, 2006
- Record last updated
- Nov 24, 2023
- Fax
- (609) 896-1126
- Medicare enrollment
- Enrolled (PECOS I20040510000473); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,393 in New Jersey → Look up another NPI →
Also registered at 2501 Kuser RD Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Kwasniewski 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 25MP00107800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average physician assistant in 2024
298 Medicare Part D claims for 165 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Meloxicam86 claims
- Methylprednisolone54 claims
- Tramadol Hcl30 claims
- Diclofenac Sodium27 claims
- Amoxicillin19 claims
- Oxycodone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 58.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $83.62
5 payments; by number, the most common kind was food and beverage; the largest payer was Radius Health, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Freeman Pain Institute PALanghorne, PA
- Premier Brain And Spine LLCVoorhees, NJ
- Virtua Medical Group, PAMedford, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Kwasniewski among 3,393 physician assistant records in New Jersey
Stephen Kwasniewski, PA is one of 3,393 physician assistant records with a practice address in New Jersey. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2003 · median 2019 among the 2,168 with a school on file
- Record last updated2023 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 physician assistant records list a practice address in Hamilton
They are 30 of the 1,187 NPPES records with a practice address in Hamilton, and 3,393 physician assistant records in New Jersey.
All 3,393 in New Jersey → Every provider in Hamilton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tinamarie Dzienkiewicz, P.A.-CHamilton, NJ 086911467882829
- Jill Griffith, PA-CHamilton, NJ 086911912275660
- Tyler Hafer, PA-CHamilton, NJ 086911467920702
- Daniel Kawash, PAHamilton, NJ 086911043304686
- Lauren Kovacs, PA-CRobbinsville, NJ 086911972905230
- Parita Patel, PA-CRobbinsville, NJ 086911093438921
- Matthew Rosenblum, PA-CHamilton, NJ 086911528420049
- Cheyenne Tedesco, PA-CHamilton, NJ 086911972159689
Common questions
What is Stephen Kwasniewski, PA's NPI number?
Stephen Kwasniewski, PA's National Provider Identifier (NPI) is 1639265408, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Kwasniewski, PA located?
The NPPES record lists a practice address at 2501 Kuser RD Ste 3, Hamilton, NJ, 08691. Phone: (609) 896-0444. Providers update this record themselves, so call before visiting.
How can I verify Stephen Kwasniewski, PA's license?
NPPES lists New Jersey license number 25MP00107800, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Kwasniewski, PA prescribe under Medicare Part D?
In 2024, Stephen Kwasniewski, PA had 298 Medicare Part D claims for 165 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Stephen Kwasniewski, PA's MIPS final score?
The 2023 MIPS final score is 58.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.