DR. SEAN ERIC FITZSIMMONS M.D.
NPI 1639318009
Orthopaedic Surgery in New York, NY
About Dr. Sean Eric Fitzsimmons M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN ERIC FITZSIMMONS M.D. (NPI 1639318009) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (238614) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
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 Eric Fitzsimmons M.d. 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 Reassignment
Medicare enrollment records show Sean Fitzsimmons reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10028
- Reassigned Medicare billing, New York enrollment
- 3 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 22
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Fitzsimmons's NPI number?
The NPI number for Sean Fitzsimmons is 1639318009. It was assigned to this individual provider in the NPPES registry on February 9, 2009.
Where is Sean Fitzsimmons located?
Sean Fitzsimmons practices at 315 East 83rd Street Ground Level, New York, NY 10028. The listed phone number is (212) 986-9200.
What is Sean Fitzsimmons's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Sean Fitzsimmons enrolled in Medicare?
Yes. Sean Fitzsimmons 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 organization bills Medicare for Sean Fitzsimmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Fitzsimmons reassigns Medicare benefits to Upper East Orthopaedics, PC (New York, NY). The 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 Fitzsimmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sean Fitzsimmons was last updated on September 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.