Doctor profile · Federal record

Dr. Gregory Zielinski

Surgery Physician (CMS: General Surgery) · Patchogue, NY

  • NPI 1235661133
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
157 E Woodside Ave
Patchogue, NY 117721421
(631) 475-1900
fax (631) 475-1955
Mailing address
122 Harvard St
Williston Park, NY 115961318

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
December 18, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
New York #315683

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235661133. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
2
Medicare allowed
$8,202
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 33 $91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 18 $150

In context: peer comparison

Among 3 peers in Patchogue Surgery Physician, average services per provider: 63. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$238
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 2 $186.53
Smith+Nephew, INC. 1 $28.22
Tela Bio, INC. 1 $23.65

By nature of payment

Food and Beverage
$238

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Zielinski's medical specialty?
Dr. Gregory Zielinski practices Surgery Physician in Patchogue, NY.
Where does Dr. Gregory Zielinski practice?
Dr. Gregory Zielinski practices at 157 E Woodside Ave, Patchogue, NY 117721421. Office phone: 6314751900.
What is Dr. Gregory Zielinski's NPI?
Dr. Gregory Zielinski's National Provider Identifier (NPI) is 1235661133, issued by NPPES.
Does Dr. Gregory Zielinski accept Medicare assignment?
Yes. Dr. Gregory Zielinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Zielinski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.