DR. JOHNNY ARNOUK M.D.
NPI 1427217710
Orthopaedic Surgery in New York, NY
About Dr. Johnny Arnouk M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHNNY ARNOUK M.D. (NPI 1427217710) is an individual orthopaedic surgery provider in New York, New York, licensed in New York (247682) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Beth Israel, and is a graduate of State University Of New York Downstate Medical Center (2005).
NPPES Registry Identity
Specialties & Licenses 2
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. Johnny Arnouk 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 Johnny Arnouk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10011
- Reassigned Medicare billing, New York enrollment
- 309 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 18
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Beth Israel
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Johnny Arnouk's NPI number?
The NPI number for Johnny Arnouk is 1427217710. It was assigned to this individual provider in the NPPES registry on June 3, 2008.
Where is Johnny Arnouk located?
Johnny Arnouk practices at 309 W 23rd St Fl 3, New York, NY 10011. The listed phone number is (212) 352-2600.
What is Johnny Arnouk's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Johnny Arnouk enrolled in Medicare?
Yes. Johnny Arnouk 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 Johnny Arnouk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johnny Arnouk reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (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 Johnny Arnouk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Johnny Arnouk affiliated with any hospitals?
According to CMS data, Johnny Arnouk is affiliated with Mount Sinai Beth Israel.
When was this NPI record last updated?
The NPPES record for Johnny Arnouk was last updated on January 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.