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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GABRIELLE MARIE CHASSAGNE M.D.
NPI 1184935645
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Huntington, NY

Active since June 29, 2010PECOS Enrolled
175 E MAIN ST STE 200, HUNTINGTON, NY 11743(631) 549-5700(631) 549-1991 Get Directions Write a Review

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

Record update history: Oct 8, 2026, Mar 5, 2021 (2 updates tracked since 2021).

About Dr. Gabrielle Marie Chassagne M.d. NPPES

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

DR. GABRIELLE MARIE CHASSAGNE M.D. (NPI 1184935645) is an individual neurology with special qualifications in child neurology provider in Huntington, New York, licensed in New York (257671) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184935645
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameDR. GABRIELLE MARIE CHASSAGNECredential: M.D.
Location Address175 E MAIN ST STE 200Huntington, NY 11743-2981
Mailing Address175 E Main St Ste 200Huntington, NY 11743-2981 · (631) 549-5700 · Fax (631) 549-1991
Phone(631) 549-5700
Fax(631) 549-1991
Sole ProprietorNo
Enumeration DateJune 29, 2010
Last NPPES UpdateOctober 8, 20262 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1184935645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in NY · 257671
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 257671 (NY)
175 E MAIN ST STE 200, Huntington, NY 11743
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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)

Dr. Gabrielle Marie Chassagne 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 Gabrielle Chassagne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University
1,058 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 11743 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
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.

MARINA DOUMANIS
Nurse Practitioner (Family)
175 E MAIN ST STE 200
HUNTINGTON, NY 11743
Suffolk County (631) 892-2231
VERONICA ANN POPE FNP
Nurse Practitioner (Family)
175 E MAIN ST STE 200
HUNTINGTON, NY 11743
Suffolk County (631) 549-5700
AUSTIN STACK PA-C
Physician Assistant
175 E MAIN ST STE 200
HUNTINGTON, NY 11743
Suffolk County (631) 549-5700
ERIKA SLAVIN PA
Physician Assistant
175 E MAIN ST STE 200
HUNTINGTON, NY 11743
Suffolk County (631) 549-5700
JILLIAN HORNE
Nurse Practitioner (Family)
175 E MAIN ST STE 200
HUNTINGTON, NY 11743
Suffolk County (631) 549-5700

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 Gabrielle Chassagne's NPI number?

The NPI number for Gabrielle Chassagne is 1184935645. It was assigned to this individual provider in the NPPES registry on June 29, 2010.

Where is Gabrielle Chassagne located?

Gabrielle Chassagne practices at 175 E Main St Ste 200, Huntington, NY 11743. The listed phone number is (631) 549-5700.

What is Gabrielle Chassagne's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Gabrielle Chassagne enrolled in Medicare?

Yes. Gabrielle Chassagne is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gabrielle Chassagne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabrielle Chassagne reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Gabrielle Chassagne'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 Gabrielle Chassagne was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.