STEPHEN M KOCAJ MD
NPI 1275568446
Orthopaedic Surgery - Sports Medicine in Florham Park, NJ
About Stephen M Kocaj Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN M KOCAJ MD (NPI 1275568446) is an individual sports medicine provider in Florham Park, New Jersey, licensed in New Jersey (25MA08265900) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph's University Medical Center Inc, and is a graduate of Rutgers New Jersey Medical School (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Stephen M Kocaj Md 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 Stephen Kocaj reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berkeley Heights, NJ 07922
- Reassigned Medicare billing, New Jersey enrollment
- 1,184 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 13
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.
St Joseph's University Medical Center Inc
Acute Care Hospitals · Paterson, NJOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLORHAM PARK, NJ 07932
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 Stephen Kocaj's NPI number?
The NPI number for Stephen Kocaj is 1275568446. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is Stephen Kocaj located?
Stephen Kocaj practices at 140 Park Ave, Florham Park, NJ 07932. The listed phone number is (973) 404-9800.
What is Stephen Kocaj's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.
Is Stephen Kocaj enrolled in Medicare?
Yes. Stephen Kocaj 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 Stephen Kocaj's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Kocaj reassigns Medicare benefits to Summit Medical Group PA (Berkeley Heights, 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 Stephen Kocaj's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Kocaj affiliated with any hospitals?
According to CMS data, Stephen Kocaj is affiliated with St Joseph's University Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Stephen Kocaj was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.