SEAN DASILVA, MD, PC
NPI 1962387829
Anesthesiology - Pain Medicine in Williamsville, NY
About Sean Dasilva, Md, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN DASILVA, MD, PC (NPI 1962387829) is a healthcare organization registered as a pain medicine in Williamsville, New York and active in the NPI registry since August 2025. The organization lists Sean Dasilva, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 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)
Sean Dasilva, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Sean Dasilva, MD, PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Sean Dasilva, MD, PC's NPI number?
The NPI number for Sean Dasilva, MD, PC is 1962387829. It was assigned to this organization in the NPPES registry on August 9, 2025.
Where is Sean Dasilva, MD, PC located?
Sean Dasilva, MD, PC is located at 5 Limestone Dr, Williamsville, NY 14221. The listed phone number is (585) 738-2505.
What is Sean Dasilva, MD, PC's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Sean Dasilva, MD, PC enrolled in Medicare?
Yes. Sean Dasilva, MD, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sean Dasilva, MD, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pain Management) reassigns their Medicare billing to Sean Dasilva, MD, PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sean Dasilva, MD, PC was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.
# Sean Dasilva, Md, Pc · NPI 1962387829
Pain Medicine organization in Williamsville, New York. Organization record, active in the CMS NPPES registry since August 9, 2025.
## Identity
- **NPI:** 1962387829 (Entity type: Organization)
- **Enumerated:** August 9, 2025
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **Organization subpart:** No
- **Authorized official:** Sean Dasilva, DIRECTOR
## Practice location
- **Address:** 5 LIMESTONE DR, Williamsville, NY 14221-7178
- **Phone:** (585) 738-2505
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Pain Management) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962387829) · Data from the CMS NPPES public registry.