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EFTHEMIA NICOLOPOULOS M.D.
NPI 1023147394
Pediatrics in Flushing, NY

Active since March 05, 2007PECOS Enrolled
5645 MAIN ST, FLUSHING, NY 11355(718) 670-1800(516) 437-4167 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Efthemia Nicolopoulos M.d. NPPES

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

EFTHEMIA NICOLOPOULOS M.D. (NPI 1023147394) is an individual pediatrics provider in Flushing, New York, licensed in New York (233962-1) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023147394
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameEFTHEMIA NICOLOPOULOSCredential: M.D.
Location Address5645 MAIN STFlushing, NY 11355-5045
Mailing AddressPo Box 27842New York, NY 10087-7842 · (718) 670-1651 · Fax (516) 437-4167
Phone(718) 670-1800
Fax(516) 437-4167
Sole ProprietorNo
Enumeration DateMarch 5, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1023147394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in NY · 233962-1
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
5645 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)

Efthemia Nicolopoulos M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Efthemia Nicolopoulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore - Lij Medical PC
6.0 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11355 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
$104.17 typical visit price
range $67.00 – $201.98
Typical copayment $26.04 (range $16.75 – $50.49)
Most-billed visit code 99203
Established Patient
$116.96 typical visit price
range $21.62 – $163.52
Typical copayment $29.24 (range $5.40 – $40.88)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ANA M GHELECHKHANI PA
Physician Assistant (Medical)
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-2608
PEDRO XAVIER PALACIOS PA-C
Physician Assistant (Medical)
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-1000
DR. OSCAR ROLDAN
Anesthesiology
5645 MAIN ST
FLUSHING, NY 11355
Queens County (646) 962-9930
ALEXIS TORRES RODRIGUEZ
Internal Medicine (Infectious Disease)
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-1507
DR. BRENT HOCHSTEIN DO
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-2000
DR. PRINCIE NANDINI ROY MD
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-2000
ERIC CHROSTOWSKI
Student in an Organized Health Care Education/Training Program
5645 MAIN ST
FLUSHING, NY 11355
Queens County (718) 670-2000
PETER JAESUNG JO
Nurse Practitioner (Family)
5645 MAIN ST
FLUSHING, NY 11355
Queens County (917) 340-4637

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 Efthemia Nicolopoulos's NPI number?

The NPI number for Efthemia Nicolopoulos is 1023147394. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Efthemia Nicolopoulos located?

Efthemia Nicolopoulos practices at 5645 Main St, Flushing, NY 11355. The listed phone number is (718) 670-1800.

What is Efthemia Nicolopoulos's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Efthemia Nicolopoulos enrolled in Medicare?

Yes. Efthemia Nicolopoulos is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Efthemia Nicolopoulos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Efthemia Nicolopoulos reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). The 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 Efthemia Nicolopoulos'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 Efthemia Nicolopoulos was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.