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GREGG E RUSCZYK MD
NPI 1558383372
Pediatrics - Pediatric Emergency Medicine in Flushing, NY

Active since July 24, 2006PECOS Enrolled
84.14/100
CMS Quality Rating
56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEEN EMERGENCY DEP, FLUSHING, NY 11355(718) 670-1231(610) 617-6280 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gregg E Rusczyk Md NPPES

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

GREGG E RUSCZYK MD (NPI 1558383372) is an individual pediatric emergency medicine provider in Flushing, New York, licensed in New York (211864) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Hahneman Medical College Of The Pacific (1997).

NPPES Registry Identity

NPI1558383372
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameGREGG E RUSCZYKCredential: MD
Location Address56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEEN EMERGENCY DEPFlushing, NY 11355
Mailing AddressPo Box 430, Emergency Practice PlanFlushing, NY 11352 · (610) 668-6491 · Fax (610) 617-6280
Phone(718) 670-1231
Fax(610) 617-6280
Sole ProprietorNo
Medical School CMSHahneman Medical College Of The PacificGraduated 1997
Enumeration DateJuly 24, 2006
Last NPPES UpdateAugust 19, 2025
NPPES CertifiedAugust 19, 2025
✔ NPI 1558383372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in NY · 211864
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License 211864 (NY)
56-45 MAIN ST, Flushing, NY 11355
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregg E Rusczyk Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486543733
PECOS Enrollment IDI20040313000562
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Gregg Rusczyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optum Urgent Care, PLLC
15 mi
Urgent Care
555 N BROADWAY
Jericho, NY 11753
  • Reassigned Medicare billing, New York enrollment
  • 413 clinicians in this Medicare group
NPI 1285975797 (516) 622-6000
Optum Medical Care, P.C.
32 mi
Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 clinicians in this Medicare group
NPI 1982643003 (914) 241-1050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
267 services246 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
90 services87 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
64 services32 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.
38 services38 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
37 services36 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
31 services30 patients

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.

84.14/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.11
Promoting Interoperability100
Improvement Activities40
Cost69.05

Other Providers at the Same Location NPPES 20

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

DIANE M SIXSMITH MD
Emergency Medicine
56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEENS EMERGENCY DE
FLUSHING, NY 11355
Queens County (718) 670-1231
DR. TERESA ANN MCCANN M.D.
Hospitalist
56-45 MAIN ST, RM 4134N
FLUSHING, NY 11355
Queens County (718) 670-1808
ERICA ROSALIND WATERMAN MD
Pediatrics
56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEENS EMERGENCY DE
FLUSHING, NY 11355
Queens County (718) 670-1231
JUSTIN SONG DO
Student in an Organized Health Care Education/Training Program
56-45 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-1507
JUSTIN SHIRAH
Student in an Organized Health Care Education/Training Program
56-45 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-1507
MRS. MARISA A RODRIGUEZ PA-C
Physician Assistant
56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEEN EMERGENCY DEP
FLUSHING, NY 11355
Queens County (718) 670-1231
DR. JENNY CHENG JIN MD
Pediatrics (Neonatal-Perinatal Medicine)
56-45 MAIN ST
QUEENS, NY 11355
Queens County (718) 670-2007
SETH H GOLDBARG MD
Internal Medicine (Clinical Cardiac Electrophysiology)
56-45 MAIN ST, NEW YORK HOSPITAL QUEENS
FLUSHING, NY 11355
Queens County (718) 670-2388

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 Gregg Rusczyk's NPI number?

The NPI number for Gregg Rusczyk is 1558383372. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Gregg Rusczyk located?

Gregg Rusczyk practices at 56-45 Main St New York Hospital Medical Center Of Queen Emergency Dep, Flushing, NY 11355. The listed phone number is (718) 670-1231.

What is Gregg Rusczyk's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Gregg Rusczyk enrolled in Medicare?

Yes. Gregg Rusczyk is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregg Rusczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Rusczyk reassigns Medicare benefits to 2 organizations: Optum Urgent Care, PLLC (Jericho, NY) and Optum Medical Care, P.C. (Mount Kisco, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregg Rusczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregg Rusczyk was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.