DR. DAYA NADARAJAH M.D.
NPI 1063492965
Internal Medicine in Newton, NJ
About Dr. Daya Nadarajah M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAYA NADARAJAH M.D. (NPI 1063492965) is an individual internal medicine provider in Newton, New Jersey, licensed in New Jersey (25MA04458000) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses 3
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. Daya Nadarajah 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 Daya Nadarajah reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, NJ 07860
- Reassigned Medicare billing, New Jersey enrollment
- 7 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 47
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJNewton Medical Center
Acute Care Hospitals · Newton, NJSaint Clare's Hospital/ Denville Campus
Acute Care Hospitals · Denville, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJHackettstown Medical Center
Acute Care Hospitals · Hackettstown, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07860 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 52
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWTON, NJ 07860
NEWTON, NJ 07860
NEWTON, NJ 07860
NEWTON, NJ 07860
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 Daya Nadarajah's NPI number?
The NPI number for Daya Nadarajah is 1063492965. It was assigned to this individual provider in the NPPES registry on January 18, 2006.
Where is Daya Nadarajah located?
Daya Nadarajah practices at 222 High St Suite 102, Newton, NJ 07860. The listed phone number is (973) 579-5090.
What is Daya Nadarajah's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Daya Nadarajah enrolled in Medicare?
Yes. Daya Nadarajah 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 Daya Nadarajah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daya Nadarajah reassigns Medicare benefits to Pulmonary Medical Associates, LLP (Newton, 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 Daya Nadarajah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daya Nadarajah accept?
Health plans from Oscar Health list Daya Nadarajah 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 Daya Nadarajah affiliated with any hospitals?
According to CMS data, Daya Nadarajah is affiliated with Morristown Medical Center, Newton Medical Center, Saint Clare's Hospital/ Denville Campus, Overlook Medical Center and Hackettstown Medical Center.
When was this NPI record last updated?
The NPPES record for Daya Nadarajah was last updated on March 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.