Gregory Ronald Zielinski
Surgery Physician · Patchogue, NY
Gregory Ronald Zielinski is a surgery physician with a practice address in Patchogue, New York, and NPI 1235661133, issued on Mar 30, 2017. Check the license (New York 315683, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Ronald Zielinski
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 315683 NY
Self-reported in NPPES; status is on the state search - Practice location
- 157 E Woodside Ave, Patchogue, NY 11772
- Phone
- (631) 475-1900
- Enumerated
- Mar 30, 2017
- Record last updated
- Dec 18, 2023
- Fax
- (631) 475-1955
- Medicare enrollment
- Enrolled (PECOS I20220827000422); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 2,053 in New York → Look up another NPI →
Also registered at 157 E Woodside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Brathwaite, RNPsychiatric/Mental Health Registered Nurse1356585699
- Patricia Cherasard, RPA-CSurgical Physician Assistant1104889666
- Gloria ChuSurgery Physician1497983423
- Nneka JagdeoFamily Nurse Practitioner1568122075
- Raymond Lau, MDEndocrinology, Diabetes & Metabolism Physician1568649135
- Michele Lubin, M.S., R.D., C.D.N.Registered Dietitian1831376250
Verify Gregory Ronald Zielinski 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 315683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average surgery physician in 2024
45 Medicare Part D claims for 19 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole13 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): 84.5 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: $238.40
4 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- New York UniversityGarden City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Ronald Zielinski among 2,053 surgery physician records in New York
Gregory Ronald Zielinski is one of 2,053 surgery physician records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2002 among the 1,212 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 surgery physician records list a practice address in Patchogue
They are 11 of the 987 NPPES records with a practice address in Patchogue, and 2,053 surgery physician records in New York.
All 2,053 in New York → Every provider in Patchogue → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Trichy Arumugam, M.D.Patchogue, NY 117721407049901
- Gloria ChuPatchogue, NY 117721497983423
- Charles Dennis, MDPatchogue, NY 117721578593786
- Thomas Gerold, MDPatchogue, NY 117721134189210
- Stephen Green, MDPatchogue, NY 117721275750713
- Pawandeep Hunjan, MDPatchogue, NY 117721528470747
- Ravindra Kota, M.D.East Patchogue, NY 117721780651323
- David Mangiameli, MDEast Patchogue, NY 117721861659823
Common questions
What is Gregory Ronald Zielinski's NPI number?
Gregory Ronald Zielinski's National Provider Identifier (NPI) is 1235661133, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ronald Zielinski located?
The NPPES record lists a practice address at 157 E Woodside Ave, Patchogue, NY, 11772. Phone: (631) 475-1900. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ronald Zielinski's license?
NPPES lists New York license number 315683, 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 Gregory Ronald Zielinski prescribe under Medicare Part D?
In 2024, Gregory Ronald Zielinski had 45 Medicare Part D claims for 19 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Gregory Ronald Zielinski's MIPS final score?
The 2023 MIPS final score is 84.5 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.