BUFFALO ENT SPECIALISTS, LLP
NPI 1366528077
Otolaryngology in Williamsville, NY
About Buffalo Ent Specialists, Llp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BUFFALO ENT SPECIALISTS, LLP (NPI 1366528077) is a healthcare organization registered as an otolaryngology in Williamsville, New York and active in the NPI registry since October 2006. The organization lists Ernesto Alberto Diaz-ordaz, Managing Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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)
Buffalo Ent Specialists, Llp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
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
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Buffalo Ent Specialists, LLP, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.
Clinicians, nearest first (4)
Williamsville, NY 14221
Source: 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 Buffalo Ent Specialists, LLP's NPI number?
The NPI number for Buffalo Ent Specialists, LLP is 1366528077. It was assigned to this organization in the NPPES registry on October 27, 2006.
Where is Buffalo Ent Specialists, LLP located?
Buffalo Ent Specialists, LLP is located at 180 Park Club Ln Suite 200, Williamsville, NY 14221. The listed phone number is (716) 634-7350.
What is Buffalo Ent Specialists, LLP's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Buffalo Ent Specialists, LLP enrolled in Medicare?
Yes. Buffalo Ent Specialists, LLP is registered in the Medicare PECOS enrollment system.
When is Buffalo Ent Specialists, LLP'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 March 31, 2027. 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 Buffalo Ent Specialists, LLP?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Buffalo Ent Specialists, LLP. 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 Otolaryngology (3) and Internal Medicine (1). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Buffalo Ent Specialists, LLP was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Buffalo Ent Specialists, Llp · NPI 1366528077
Otolaryngology organization in Williamsville, New York. Organization record, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1366528077 (Entity type: Organization)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **Organization subpart:** No
- **Authorized official:** Ernesto Diaz-Ordaz, MANAGING PARTNER
## Practice location
- **Address:** 180 PARK CLUB LN, SUITE 200, Williamsville, NY 14221-5263
- **Phone:** (716) 634-7350
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Otolaryngology (3), Internal Medicine (1); 4 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366528077) · Data from the CMS NPPES public registry.