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DR. GREGORY RONALD ZIELINSKI
NPI 1235661133
Surgery in Patchogue, NY

Active since March 30, 2017PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
157 E WOODSIDE AVE, PATCHOGUE, NY 11772(631) 475-1900(631) 475-1955 Get Directions Write a Review

NPPES record last updated: December 18, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 2, 2023, Mar 30, 2017 (2 updates tracked since 2017).

About Dr. Gregory Ronald Zielinski NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY RONALD ZIELINSKI (NPI 1235661133) is an individual surgery provider in Patchogue, New York, licensed in New York (315683) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1235661133
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. GREGORY RONALD ZIELINSKI
Location Address157 E WOODSIDE AVEPatchogue, NY 11772-1421
Mailing Address122 Harvard StWilliston Park, NY 11596-1318 · (516) 353-0283
Phone(631) 475-1900
Fax(631) 475-1955
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 30, 2017
Last NPPES UpdateDecember 18, 20232 updates tracked since enumeration
NPPES CertifiedDecember 18, 2023
✔ NPI 1235661133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NY · 315683
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
157 E WOODSIDE AVE, Patchogue, NY 11772
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Ronald Zielinski is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072850213
PECOS Enrollment IDI20220827000422
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
275 services141 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
92 services90 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
44 services43 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services15 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
16 services16 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330141
Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11772 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PATRICIA DORIS CHERASARD RPA-C
Physician Assistant (Surgical)
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (877) 872-5788
MRS. BARBARA M BRATHWAITE RN
Registered Nurse (Psychiatric/Mental Health)
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
GLORIA CHU
Surgery
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
NNEKA JAGDEO
Nurse Practitioner (Family)
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
DR. RAYMOND G. LAU MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
GIOVANNI GRETO RAMOS M.D.
Internal Medicine
157 E WOODSIDE AVE
EAST PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
DEANNA ROSE SPARACO RN FNP
Nurse Practitioner (Family)
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 475-1900
MRS. MICHELE PAULA LUBIN M.S., R.D., C.D.N.
Dietitian, Registered
157 E WOODSIDE AVE
PATCHOGUE, NY 11772
Suffolk County (631) 265-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Zielinski's NPI number?

The NPI number for Gregory Zielinski is 1235661133. It was assigned to this individual provider in the NPPES registry on March 30, 2017.

Where is Gregory Zielinski located?

Gregory Zielinski practices at 157 E Woodside Ave, Patchogue, NY 11772. The listed phone number is (631) 475-1900.

What is Gregory Zielinski's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Zielinski enrolled in Medicare?

Yes. Gregory Zielinski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Gregory Zielinski affiliated with any hospitals?

According to CMS data, Gregory Zielinski is affiliated with Long Island Community Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Zielinski was last updated on December 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.