James Marzec, MD
Orthopaedic Surgery Physician · West Islip, NY
James Marzec, MD is an orthopaedic surgery physician with a practice address in West Islip, New York, and NPI 1811095581, issued on Sep 20, 2006. Check the license (New York 159688, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- James Marzec
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 159688 NY
Self-reported in NPPES; status is on the state search - Practice location
- 340 Montauk Hwy, West Islip, NY 11795
- Phone
- (631) 422-9530
- Enumerated
- Sep 20, 2006
- Record last updated
- Apr 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111027000582); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,339 in New York → Look up another NPI →
Also registered at 340 Montauk Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bonnie Greene, RPA-CPhysician Assistant1649445941
- Charles Levinson, PAPhysician Assistant1962440834
- Steven Simonsen, MDOrthopaedic Surgery Physician1457459133
- Angela Singer, PA-CPhysician Assistant1891096228
- Wendy Zapata, DOPediatrics Physician1477762409
Verify James Marzec in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 159688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
81 Medicare Part D claims for 59 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 32 claims were for opioids.
Most prescribed
- Methylprednisolone38 claims
- Oxycodone-Acetaminophen20 claims
- Tramadol Hcl12 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $28.64
1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 one group practice
- South Shore Orthopaedic AssociatesWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Marzec among 1,339 orthopaedic surgery physician records in New York
James Marzec, MD is one of 1,339 orthopaedic surgery physician records with a practice address in New York. 76% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 44% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1982 · median 2002 among the 819 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in New York
There are 1,339 orthopaedic surgery physician records in New York.
All 1,339 in New York → Every provider in West Islip → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Stuart Kandel, MDWest Islip, NY 117951780751024
- Steven Simonsen, MDWest Islip, NY 117951457459133
- Nestor Blyznak, MDStony Brook, NY 117941649377524
- Michael Doany, MDStony Brook, NY 117941609370824
- Brian Lynch, M.D.Stony Brook, NY 117941659803989
- Aden Malik, M.D.Stony Brook, NY 117941093156382
- Richard Marchese, MDStony Brook, NY 117941801423389
- Aadit Shah, MDStony Brook, NY 117941730686882
Common questions
What is James Marzec, MD's NPI number?
James Marzec, MD's National Provider Identifier (NPI) is 1811095581, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Marzec, MD located?
The NPPES record lists a practice address at 340 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 422-9530. Providers update this record themselves, so call before visiting.
How can I verify James Marzec, MD's license?
NPPES lists New York license number 159688, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Marzec, MD prescribe under Medicare Part D?
In 2024, James Marzec, MD had 81 Medicare Part D claims for 59 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is James Marzec, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.