CHARLES J GATT JR. M.D.
NPI 1861497257
Orthopaedic Surgery in Somerset, NJ
About Charles J Gatt Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES J GATT JR. M.D. (NPI 1861497257) is an individual orthopaedic surgery provider in Somerset, New Jersey, licensed in New Jersey (25MA05588700) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Rowan University School Of Osteopathic Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Charles J Gatt Jr. 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 Charles Gatt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 287 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 14
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJRobert Wood Johnson University Hospital - Somerset
Acute Care Hospitals · Somerville, NJSaint Peter's University Hospital
Acute Care Hospitals · New Brunswick, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08873 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOMERSET, NJ 08873
SOMERSET, NJ 08873
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 Charles Gatt's NPI number?
The NPI number for Charles Gatt is 1861497257. It was assigned to this individual provider in the NPPES registry on June 14, 2005.
Where is Charles Gatt located?
Charles Gatt practices at 2 Worlds Fair Dr, Somerset, NJ 08873. The listed phone number is (732) 537-0909.
What is Charles Gatt's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Charles Gatt enrolled in Medicare?
Yes. Charles Gatt 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 Charles Gatt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Gatt reassigns Medicare benefits to Orthonj LLC (Somerset, 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 Charles Gatt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Gatt accept?
Health plans from Oscar Health list Charles Gatt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Charles Gatt affiliated with any hospitals?
According to CMS data, Charles Gatt is affiliated with Robert Wood Johnson University Hospital, Robert Wood Johnson University Hospital - Somerset and Saint Peter's University Hospital.
When was this NPI record last updated?
The NPPES record for Charles Gatt was last updated on June 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.