KALEIDA HEALTH
NPI 1053441907
General Acute Care Hospital in Williamsville, NY
About Kaleida Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KALEIDA HEALTH (NPI 1053441907), doing business as Millard Fillmore Suburban Hospital, is a healthcare organization registered as a general acute care hospital in Williamsville, New York and active in the NPI registry since March 2007. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Williamsville, and lists Angela H Mccrorey, Ar Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kaleida Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
674Medicare enrollment records show 674 clinicians reassign Medicare billing to Kaleida Health, which bills Medicare for the services they deliver. Of these, 16 practice at this address and 481 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 46
Nearest to this location (20)
See all 674Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 33D0669254
Kaleida Health Center For Laboratory Medicine Amherst · Amherst, NYCertificate of Compliance 33D0669255
Kaleida Health Center For Laboratory Medicine - Williamsville · Williamsville, NYFrequently 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 Kaleida Health's NPI number?
The NPI number for Kaleida Health is 1053441907. It was assigned to this organization in the NPPES registry on March 7, 2007. The provider is doing business as Millard Fillmore Suburban Hospital.
Where is Kaleida Health located?
Kaleida Health is located at 1540 Maple Rd, Williamsville, NY 14221. The listed phone number is (716) 568-3600.
What is Kaleida Health's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Kaleida Health enrolled in Medicare?
Yes. Kaleida Health is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Kaleida Health?
According to the CMS Revalidation Reassignment List (October 2026 release), 674 clinicians in 46 Medicare specialties reassign their Medicare billing to Kaleida Health. 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 (177), Obstetrics/Gynecology (75) and Diagnostic Radiology (56). Of these, 16 practice at this address and 481 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Kaleida Health hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
When was this NPI record last updated?
The NPPES record for Kaleida Health was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Kaleida Health · NPI 1053441907
General Acute Care Hospital organization in Williamsville, New York. Organization record, active in the CMS NPPES registry since March 7, 2007.
## Identity
- **NPI:** 1053441907 (Entity type: Organization)
- **Enumerated:** March 7, 2007
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Also known as:** MILLARD FILLMORE SUBURBAN HOSPITAL (Doing Business As)
- **Organization subpart:** Yes (part of Kaleida Health)
- **Authorized official:** Angela Mccrorey, AR MANAGER
## Practice location
- **Address:** 1540 MAPLE RD, Williamsville, NY 14221-3647
- **Phone:** (716) 568-3600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 674 clinicians in 46 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (177), Obstetrics/Gynecology (75), Diagnostic Radiology (56); 16 practice at this address and 481 within 10 miles; [full list](https://npiprofile.com/npi/1053441907/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 12, 2026
- **Other identifiers:** Medicaid 00384643 (NY)
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1053441907) · Data from the CMS NPPES public registry.