MS. ALEXIS LENA SWEENEY AGACNP
NPI 1518685676
Nurse Practitioner - Acute Care in Williamsville, NY
About Ms. Alexis Lena Sweeney Agacnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ALEXIS LENA SWEENEY AGACNP (NPI 1518685676) is an individual acute care provider in Williamsville, New York, licensed in New York (F432383) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Alexis Lena Sweeney Agacnp 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 Reassignments
2Medicare enrollment records show Alexis Sweeney reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 332 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mercy Hospital Of Buffalo
- 499 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYKenmore Mercy Hospital
Acute Care Hospitals · Kenmore, NYMercy Hospital Of Buffalo
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 5
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 Alexis Sweeney's NPI number?
The NPI number for Alexis Sweeney is 1518685676. It was assigned to this individual provider in the NPPES registry on August 16, 2022.
Where is Alexis Sweeney located?
Alexis Sweeney practices at 5530 Sheridan Dr, Williamsville, NY 14221. The listed phone number is (716) 565-1978.
What is Alexis Sweeney's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Alexis Sweeney enrolled in Medicare?
Yes. Alexis Sweeney 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 organizations bill Medicare for Alexis Sweeney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Sweeney reassigns Medicare benefits to 2 organizations: Trinity Medical Wny PC (Williamsville, NY) and Chs Neuroscience Group (Buffalo, NY). 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 Alexis Sweeney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexis Sweeney affiliated with any hospitals?
According to CMS data, Alexis Sweeney is affiliated with Sisters Of Charity Hospital, Kenmore Mercy Hospital and Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Alexis Sweeney was last updated on August 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Alexis Lena Sweeney, AGACNP · NPI 1518685676
Acute Care physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since August 16, 2022.
## Identity
- **NPI:** 1518685676 (Entity type: Individual)
- **Enumerated:** August 16, 2022
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** F432383 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 5530 SHERIDAN DR, Williamsville, NY 14221-3730
- **Phone:** (716) 565-1978
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Trinity Medical Wny PC (NPI 1144878893, Williamsville, NY); Chs Neuroscience Group (NPI 1972883304, Buffalo, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 16, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1518685676) · Data from the CMS NPPES public registry.