MOUNT ST. MARY'S HOSPITAL OF NIAGARA FALLS
NPI 1043394745
General Acute Care Hospital in Lewiston, NY

Active since October 25, 2006
3/5
Hospital Overall Rating
5300 MILITARY RD, LEWISTON, NY 14092(716) 298-2081(716) 298-2112 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1043394745
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameMOUNT ST. MARY'S HOSPITAL OF NIAGARA FALLS
Location Address5300 MILITARY RDLewiston, NY 14092-1903
Mailing Address5300 Military RdLewiston, NY 14092-1903 · (716) 298-2081 · Fax (716) 298-2112
Fax(716) 298-2112
Organization SubpartNo
Authorized OfficialDavid P MacholzCfo · (716) 862-2430
Enumeration DateOctober 25, 2006
Last NPPES UpdateSeptember 5, 2025
NPPES CertifiedSeptember 5, 2025
✔ NPI 1043394745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in NY · 3121001H
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
5300 MILITARY RD, Lewiston, NY 14092

Other Names 1

Doing Business AsMount St. Mary's Hospital And Health Center

Other Identifiers 4

OtherH4NY · Independent Health
Other000000022000NY · Blue Cross
Other00011413101NY · Univera - Excellus
Medicaid01746616NY

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

287

Medicare 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

Nurse Practitioner59
Internal Medicine55
Obstetrics/Gynecology30
Cardiovascular Disease (Cardiology)25
Family Practice11
Orthopedic Surgery10
Pulmonary Disease10
Certified Nurse Midwife (CNM)9
31 other specialties78

Nearest to this location (20)

See all 287
Orthopedic Surgery
NPI 1952863946
5300 MILITARY RD
Lewiston, NY 14092
(530) 012-7015
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1194169664
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2224
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1386776847
5300 MILITARY RD
Lewiston, NY 14092
(716) 297-4800
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1831753185
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2224
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1639157571
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2356
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1366889230
5300 MILITARY RD
Lewiston, NY 14092
(716) 297-4800
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1356539415
5300 MILITARY RD
Lewiston, NY 14092
(716) 297-4800
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1508068628
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2171
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1598905390
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2224
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1902864234
5300 MILITARY ROAD
Lewiston, NY 14092
(716) 297-4800
✔ PECOSSame address
Internal Medicine
NPI 1861433930
5300 MILITARY RD @MOUNT ST. MARY'S HOSPITAL RM 302
Lewiston, NY 14092
(716) 298-3782
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1477918902
5300 MILITARY RD
Lewiston, NY 14092
(716) 297-4800
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1083289599
5290 MILITARY RD STE 8
Lewiston, NY 14092
(716) 298-3000
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1932546082
5290 MILITARY RD STE 8
Lewiston, NY 14092
(716) 298-8440
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841956034
5290 MILITARY RD STE 10A
Lewiston, NY 14092
(716) 298-2734
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1336126630
5290 MILITARY RD SUITE 8
Lewiston, NY 14092
(716) 297-9379
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1164785754
5320 MILITARY RD STE 107
Lewiston, NY 14092
(716) 297-1701
✔ PECOS✔ Accepts Medicare0.1 mi
General Surgery
NPI 1578581419
5320 MILITARY RD STE 101
Lewiston, NY 14092
(716) 297-8149
✔ PECOS✔ Accepts Medicare0.1 mi
Pulmonary Disease
NPI 1043312093
5320 MILITARY RD STE 105
Lewiston, NY 14092
(716) 297-0001
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1609852714
5320 MILITARY RD
Lewiston, NY 14092
(716) 297-7542
✔ PECOS✔ Accepts Medicare0.1 mi
See all 287 clinicians

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, NY
3/5 CMS Overall Rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330188
Location5300 Military RoadLewiston, NY 14092 · Niagara County · (716) 297-4800
Emergency services Birthing friendly Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
3/5
Staff responsiveness
3/5
Communication about medicines
2/5
Discharge information
4/5
Care transition
2/5
Cleanliness
3/5
Quietness
2/5
Overall hospital rating
3/5
Recommend hospital
3/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 18

Rate of complications for hip/knee replacement patients
Cases too small to report
Death rate for heart attack patients
Cases too small to report
Death rate for COPD patients
9.7% No different than national
Death rate for heart failure patients
13.3% No different than national
Death rate for pneumonia patients
19.1% No different than national
Death rate for stroke patients
12.4% No different than national

Infections 3

Catheter Associated Urinary Tract Infections (ICU + select Wards)
0 observed cases · 1.048 predicted · 1,994 patient days
0.000 No different than national
MRSA Bacteremia
0 observed cases · 1.614 predicted · 33,304 patient days
0.000 No different than national
Clostridium Difficile (C.Diff)
1 observed case · 11.77 predicted · 33,053 patient days
0.085 Better than the national benchmark

Unplanned Hospital Visits 13

Hospital return days for heart attack patients
Cases too small to report
Hospital return days for heart failure patients
131 more days than average per 100 discharges
Hospital return days for pneumonia patients
98 more days than average per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
134 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
Cases too small to report
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
Cases too small to report

Timely & Effective Care 17

Emergency department volume
Medium
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
5%
Healthcare workers given influenza vaccination
63%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
173 minutes
Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better
186 minutes
Left before being seen
3%

Maternal Health 2

Elective Delivery
14%
Maternal Morbidity Structural Measure
Yes

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.