MOUNT ST. MARY'S HOSPITAL OF NIAGARA FALLS
NPI 1043394745
General Acute Care Hospital in Lewiston, NY
About Mount St. Mary's Hospital Of Niagara Falls NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOUNT ST. MARY'S HOSPITAL OF NIAGARA FALLS (NPI 1043394745), doing business as Mount St. Mary's Hospital And Health Center, is a healthcare organization registered as a general acute care hospital in Lewiston, New York and active in the NPI registry since October 2006. The organization lists David P Macholz, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mount St. Mary's Hospital Of Niagara Falls is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
287Medicare enrollment records show 287 clinicians reassign Medicare billing to Mount St. Mary's Hospital Of Niagara Falls, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 43 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 39
Nearest to this location (20)
See all 287Lewiston, NY 14092
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Quality Ratings CMS Care Compare
Quality and patient-experience ratings for Mount St. Mary's Hospital & Health Center (CMS certification number 330188), from CMS Care Compare.
Mount St. Mary's Hospital & Health Center
Acute Care Hospitals · Lewiston, NYPatient Experience
HCAHPS patient survey · Jan 2023 – Dec 2023Complications & Deaths 18
Infections 3
Unplanned Hospital Visits 13
Timely & Effective Care 17
Maternal Health 2
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 Mount St. Mary's Hospital Of Niagara Falls's NPI number?
The NPI number for Mount St. Mary's Hospital Of Niagara Falls is 1043394745. It was assigned to this organization in the NPPES registry on October 25, 2006. The provider is doing business as Mount St. Mary's Hospital and Health Center.
Where is Mount St. Mary's Hospital Of Niagara Falls located?
Mount St. Mary's Hospital Of Niagara Falls is located at 5300 Military Rd, Lewiston, NY 14092. The listed phone number is (716) 298-2081.
What is Mount St. Mary's Hospital Of Niagara Falls's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Mount St. Mary's Hospital Of Niagara Falls enrolled in Medicare?
Yes. Mount St. Mary's Hospital Of Niagara Falls is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mount St. Mary's Hospital Of Niagara Falls?
According to the CMS Revalidation Reassignment List (October 2026 release), 287 clinicians in 39 Medicare specialties reassign their Medicare billing to Mount St. Mary's Hospital Of Niagara Falls. A 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 the clinician's services. The largest specialties are Nurse Practitioner (59), Internal Medicine (55) and Obstetrics/Gynecology (30). Of these, 12 practice at this address and 43 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Is Mount St. Mary's Hospital Of Niagara Falls a Medicare-certified hospital?
Yes. Mount St. Mary's Hospital & Health Center is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.
What quality rating does Mount St. Mary's Hospital Of Niagara Falls have?
CMS rates Mount St. Mary's Hospital & Health Center 3 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.
When was this NPI record last updated?
The NPPES record for Mount St. Mary's Hospital Of Niagara Falls was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.