DR. JON DAVID GREEN M.D.
NPI 1245283563
Internal Medicine - Gastroenterology in West Orange, NJ
About Dr. Jon David Green M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JON DAVID GREEN M.D. (NPI 1245283563) is an individual gastroenterology provider in West Orange, New Jersey, licensed in New Jersey (MA03035500) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Overlook Medical Center, and is a graduate of Rutgers New Jersey Medical School (1974).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Jon David Green 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 Reassignments
2Medicare enrollment records show Jon Green reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodland Park, NJ 07424
- Reassigned Medicare billing, New Jersey enrollment
- 117 clinicians in this Medicare group
New Hyde Park, NY 11042
- Reassigned Medicare billing, New Jersey enrollment
- 417 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 10
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.
Overlook Medical Center
Acute Care Hospitals · Summit, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07052 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST ORANGE, NJ 07052
WEST ORANGE, NJ 07052
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 Jon Green's NPI number?
The NPI number for Jon Green is 1245283563. It was assigned to this individual provider in the NPPES registry on May 18, 2006.
Where is Jon Green located?
Jon Green practices at 449 Mount Pleasant Ave 2nd Floor, West Orange, NJ 07052. The listed phone number is (973) 731-7868.
What is Jon Green's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Jon Green enrolled in Medicare?
Yes. Jon Green 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 organizations bill Medicare for Jon Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jon Green reassigns Medicare benefits to 2 organizations: Gastroenterology Associates Of New Jersey, LLC (Woodland Park, NJ) and Optum Medical Care Of New Jersey PC (New Hyde Park, NY). Each 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 Jon Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jon Green accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Jon Green 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 Jon Green affiliated with any hospitals?
According to CMS data, Jon Green is affiliated with Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Jon Green was last updated on November 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.