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MS. MICHELLE GIANNATTASIO NP-C
NPI 1417472440
Nurse Practitioner - Family in Great Neck, NY

Active since August 10, 2017PECOS Enrolled
865 NORTHERN BLVD STE 101, GREAT NECK, NY 11021(516) 622-5070 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 1, 2025, Aug 10, 2017 (2 updates tracked since 2017).

About Ms. Michelle Giannattasio Np-c NPPES

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

MS. MICHELLE GIANNATTASIO NP-C (NPI 1417472440) is an individual family provider in Great Neck, New York, licensed in New York (F341892-1) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417472440
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MICHELLE GIANNATTASIOCredential: NP-C
Location Address865 NORTHERN BLVD STE 101Great Neck, NY 11021-5310
Mailing Address236 Willow StMassapequa Park, NY 11762-1752 · (516) 384-3585
Phone(516) 622-5070
Sole ProprietorNo
Enumeration DateAugust 10, 2017
Last NPPES UpdateApril 1, 20252 updates tracked since enumeration
NPPES CertifiedApril 1, 2025
✔ NPI 1417472440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F341892-1
865 NORTHERN BLVD STE 101, Great Neck, NY 11021
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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)

Ms. Michelle Giannattasio Np-c 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 Reassignments

2

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

North Shore-Lij Medical PC
0.1 mi
Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1053688572 (516) 321-7400
New York University
1,047 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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 11021 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 3

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

DR. MARIE CAVUOTO PETRIZZO MD, MSED
Allergy & Immunology
865 NORTHERN BLVD STE 101
GREAT NECK, NY 11021
Nassau County (516) 622-5070
MRS. ELLIE SLIVKO BEATUS NP
Nurse Practitioner (Family)
865 NORTHERN BLVD STE 101
GREAT NECK, NY 11021
Nassau County (516) 622-5062
DR. DANIELLE LAUREN CABRAL PHARMD
Pharmacist (Ambulatory Care)
865 NORTHERN BLVD STE 101
GREAT NECK, NY 11021
Nassau County (516) 622-5070

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 Michelle Giannattasio's NPI number?

The NPI number for Michelle Giannattasio is 1417472440. It was assigned to this individual provider in the NPPES registry on August 10, 2017.

Where is Michelle Giannattasio located?

Michelle Giannattasio practices at 865 Northern Blvd Ste 101, Great Neck, NY 11021. The listed phone number is (516) 622-5070.

What is Michelle Giannattasio's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Michelle Giannattasio enrolled in Medicare?

Yes. Michelle Giannattasio is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Giannattasio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Giannattasio reassigns Medicare benefits to 2 organizations: North Shore-Lij Medical PC (Great Neck, NY) and New York University (Boynton Beach, FL). 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 Michelle Giannattasio'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 Michelle Giannattasio was last updated on April 1, 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.