DR. SEAN DUSTIN WILLIS DO
NPI 1710484910
Surgery in Rockville Centre, NY
About Dr. Sean Dustin Willis Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN DUSTIN WILLIS DO (NPI 1710484910) is an individual surgery provider in Rockville Centre, New York, licensed in New York (321467) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sean Dustin Willis Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Sean Willis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 14 clinicians in this Medicare group
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 15 clinicians in this Medicare group
Gainesville, FL 32610
- Reassigned Medicare billing, Florida enrollment
- 3,324 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYMercy Medical Center
Acute Care Hospitals · Rockville Centre, NYGood Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYChsli St Joseph Hospital
Acute Care Hospitals · Bethpage, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11570 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE CENTRE, NY 11570
ROCKVILLE CENTRE, NY 11570
ROCKVILLE CENTRE, NY 11570
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 Willis's NPI number?
The NPI number for Sean Willis is 1710484910. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Sean Willis located?
Sean Willis practices at 2000 N Village Ave Ste 211, Rockville Centre, NY 11570. The listed phone number is (516) 714-3743.
What is Sean Willis's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Sean Willis enrolled in Medicare?
Yes. Sean Willis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sean Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Willis reassigns Medicare benefits to 3 organizations: Acute Care Medical Services PLLC (Rockville Centre, NY), Long Island Surgical PLLC (Rockville Centre, NY) and Florida Clinical Practice Association Inc (Gainesville, FL). Each 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 Sean Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Willis affiliated with any hospitals?
According to CMS data, Sean Willis is affiliated with Mount Sinai South Nassau, Mercy Medical Center, Good Samaritan Hospital Medical Center and Chsli St Joseph Hospital.
When was this NPI record last updated?
The NPPES record for Sean Willis was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Sean Dustin Willis, DO · NPI 1710484910
Surgery physician in Rockville Centre, New York. Individual provider, active in the CMS NPPES registry since April 12, 2018.
## Identity
- **NPI:** 1710484910 (Entity type: Individual)
- **Enumerated:** April 12, 2018
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 321467 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2000 N VILLAGE AVE STE 211, Rockville Centre, NY 11570-1001
- **Phone:** (516) 714-3743
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Acute Care Medical Services PLLC (NPI 1205597473, Rockville Centre, NY); Long Island Surgical PLLC (NPI 1588039119, Rockville Centre, NY); Florida Clinical Practice Association Inc (NPI 1063463768, Gainesville, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Nova Southeastern College Of Osteo Medicine, class of 2018
## Record status
- **NPPES last updated:** August 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710484910) · Data from the CMS NPPES public registry.