DR. RYAN CASSILLY M.D.
NPI 1235455924
Orthopaedic Surgery in Fair Lawn, NJ
About Dr. Ryan Cassilly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN CASSILLY M.D. (NPI 1235455924) is an individual orthopaedic surgery provider in Fair Lawn, New Jersey, licensed in New Jersey (25MA09902700) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2010).
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 (PECOS)
Dr. Ryan Cassilly M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ryan Cassilly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fair Lawn, NJ 07410
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Garden State Orthopaedic Associates, PA
- 14 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07410 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIR LAWN, NJ 07410
FAIR LAWN, NJ 07410
FAIR LAWN, NJ 07410
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 Ryan Cassilly's NPI number?
The NPI number for Ryan Cassilly is 1235455924. It was assigned to this individual provider in the NPPES registry on April 20, 2010.
Where is Ryan Cassilly located?
Ryan Cassilly practices at 28-04 Broadway, Fair Lawn, NJ 07410. The listed phone number is (201) 791-4434.
What is Ryan Cassilly's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Ryan Cassilly enrolled in Medicare?
Yes. Ryan Cassilly is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ryan Cassilly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Cassilly reassigns Medicare benefits to Garden State Orthopaedic Associates, P.A. (Fair Lawn, NJ). 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 Ryan Cassilly'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 Ryan Cassilly was last updated on July 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.