MARIELLE MARIE GAGLIONE MSN, ACNPC-AG
NPI 1508656208
Nurse Practitioner - Acute Care in Williamsville, NY
About Marielle Marie Gaglione Msn, Acnpc-ag NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIELLE MARIE GAGLIONE MSN, ACNPC-AG (NPI 1508656208) is an individual acute care provider in Williamsville, New York, licensed in New York (F433266) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marielle Marie Gaglione Msn, Acnpc-ag is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Marielle Gaglione reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 676 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaleida Health
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
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 Marielle Gaglione's NPI number?
The NPI number for Marielle Gaglione is 1508656208. It was assigned to this individual provider in the NPPES registry on May 7, 2025.
Where is Marielle Gaglione located?
Marielle Gaglione practices at 1540 Maple Rd, Williamsville, NY 14221. The listed phone number is (716) 568-3600.
What is Marielle Gaglione's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Marielle Gaglione enrolled in Medicare?
Yes. Marielle Gaglione is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Marielle Gaglione's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marielle Gaglione reassigns Medicare benefits to Kaleida Health (Williamsville, 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 Marielle Gaglione's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marielle Gaglione affiliated with any hospitals?
According to CMS data, Marielle Gaglione is affiliated with Kaleida Health.
When was this NPI record last updated?
The NPPES record for Marielle Gaglione was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Marielle Marie Gaglione, MSN, ACNPC-AG · NPI 1508656208
Acute Care physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since May 7, 2025.
## Identity
- **NPI:** 1508656208 (Entity type: Individual)
- **Enumerated:** May 7, 2025
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** F433266 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1540 MAPLE RD, Williamsville, NY 14221-3647
- **Phone:** (716) 568-3600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaleida Health (NPI 1053441907, Williamsville, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** May 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1508656208) · Data from the CMS NPPES public registry.