1. Home
  2. Directory
  3. New York
  4. East Meadow
  5. Pediatrics
  6. NPI Profile

KALLIOPI FOUNTAS MD
NPI 1841853637
Pediatrics in East Meadow, NY

Active since April 17, 2019PECOS Enrolled
611 MERRICK AVE, EAST MEADOW, NY 11554(516) 794-7969 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 22, 2023, Aug 13, 2022, Jan 14, 2022 and 2 more (5 updates tracked since 2019).

About Kalliopi Fountas Md NPPES

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

KALLIOPI FOUNTAS MD (NPI 1841853637) is an individual pediatrics provider in East Meadow, New York, licensed in New York (321415-01) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841853637
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKALLIOPI FOUNTASCredential: MD
Location Address611 MERRICK AVEEast Meadow, NY 11554-3703
Mailing Address611 Merrick AveEast Meadow, NY 11554-3703 · (516) 794-7969
Phone(516) 794-7969
Sole ProprietorNo
Enumeration DateApril 17, 2019
Last NPPES UpdateApril 29, 20255 updates tracked since enumeration
NPPES CertifiedApril 29, 2025
✔ NPI 1841853637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NY · 321415-01✔ Licensed in NJ · 25MA11456400
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.
611 MERRICK AVE, East Meadow, NY 11554
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kalliopi Fountas Md 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 Kalliopi Fountas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Empire Pediatrics PLLC
Same address
Pediatrics
611 MERRICK AVE
East Meadow, NY 11554
  • Reassigned Medicare billing, New York enrollment
  • 5 clinicians in this Medicare group
NPI 1629808282 (516) 794-7969

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 11554 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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 5

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

JOHN ROBERT ZASO DO
Pediatrics
611 MERRICK AVE
EAST MEADOW, NY 11554
Nassau County (516) 794-7969
MISS ANGELA ROSE CAREY PA
Physician Assistant (Medical)
611 MERRICK AVE
EAST MEADOW, NY 11554
Nassau County (516) 794-7969
JOHN ZASO DO PC
Family Medicine
611 MERRICK AVE
EAST MEADOW, NY 11554
Nassau County (516) 794-7969
MRS. MICHELLE SCHAEFER NP
Nurse Practitioner (Primary Care)
611 MERRICK AVE
EAST MEADOW, NY 11554
Nassau County (646) 522-3111
EMPIRE PEDIATRICS PLLC
Pediatrics
611 MERRICK AVE
EAST MEADOW, NY 11554
Nassau County (516) 794-7969

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 Kalliopi Fountas's NPI number?

The NPI number for Kalliopi Fountas is 1841853637. It was assigned to this individual provider in the NPPES registry on April 17, 2019.

Where is Kalliopi Fountas located?

Kalliopi Fountas practices at 611 Merrick Ave, East Meadow, NY 11554. The listed phone number is (516) 794-7969.

What is Kalliopi Fountas's specialty?

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

Is Kalliopi Fountas enrolled in Medicare?

Yes. Kalliopi Fountas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kalliopi Fountas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kalliopi Fountas reassigns Medicare benefits to Empire Pediatrics PLLC (East Meadow, 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 Kalliopi Fountas'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 Kalliopi Fountas was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.