DR. DIANA M ADDIS MD
NPI 1235241597
Surgery - Surgical Oncology in Sparta, NJ
About Dr. Diana M Addis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANA M ADDIS MD (NPI 1235241597) is an individual surgical oncology provider in Sparta, New Jersey, licensed in New Jersey (25MA07065800) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Overlook Medical Center, and is a graduate of Rutgers New Jersey Medical School (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. Diana M Addis 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 Diana Addis 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 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
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 07871 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPARTA, NJ 07871
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 Diana Addis's NPI number?
The NPI number for Diana Addis is 1235241597. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Diana Addis located?
Diana Addis practices at 89 Sparta Ave Suite 210, Sparta, NJ 07871. The listed phone number is (908) 918-0001.
What is Diana Addis's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Diana Addis enrolled in Medicare?
Yes. Diana Addis 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 Diana Addis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Addis 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 Diana Addis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Addis accept?
Health plans from Oscar Health list Diana Addis 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 Diana Addis affiliated with any hospitals?
According to CMS data, Diana Addis is affiliated with Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Diana Addis was last updated on July 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.