MERCY HOSPITAL
NPI 1669782686
General Acute Care Hospital in Buffalo, NY
About Mercy Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY HOSPITAL (NPI 1669782686) is a healthcare organization registered as a general acute care hospital in Buffalo, New York and active in the NPI registry since October 2010. The organization lists Clayton C Osborne, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mercy Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
497Medicare enrollment records show 497 clinicians reassign Medicare billing to Mercy Hospital, which bills Medicare for the services they deliver. Of these, 54 practice at this address and 322 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 38
Nearest to this location (20)
See all 497Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mercy Hospital's NPI number?
The NPI number for Mercy Hospital is 1669782686. It was assigned to this organization in the NPPES registry on October 8, 2010.
Where is Mercy Hospital located?
Mercy Hospital is located at 565 Abbott Rd, Buffalo, NY 14220. The listed phone number is (716) 826-7000.
What is Mercy Hospital's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Mercy Hospital enrolled in Medicare?
Yes. Mercy Hospital is registered in the Medicare PECOS enrollment system.
When is Mercy Hospital's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Mercy Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 497 clinicians in 38 Medicare specialties reassign their Medicare billing to Mercy Hospital. 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 (136), Internal Medicine (89) and Obstetrics/Gynecology (56). Of these, 54 practice at this address and 322 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mercy Hospital was last updated on November 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mercy Hospital · NPI 1669782686
General Acute Care Hospital organization in Buffalo, New York. Organization record, active in the CMS NPPES registry since October 8, 2010.
## Identity
- **NPI:** 1669782686 (Entity type: Organization)
- **Enumerated:** October 8, 2010
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Organization subpart:** No
- **Authorized official:** Clayton Osborne, VICE PRESIDENT
## Practice location
- **Address:** 565 ABBOTT RD, Buffalo, NY 14220-2039
- **Phone:** (716) 826-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 497 clinicians in 38 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (136), Internal Medicine (89), Obstetrics/Gynecology (56); 54 practice at this address and 322 within 10 miles; [full list](https://npiprofile.com/npi/1669782686/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 11, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1669782686) · Data from the CMS NPPES public registry.