DR. THOMAS ANDREW NAHASS MD
NPI 1952838385
Internal Medicine - Critical Care Medicine in New Brunswick, NJ
About Dr. Thomas Andrew Nahass Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS ANDREW NAHASS MD (NPI 1952838385) is an individual critical care medicine provider in New Brunswick, New Jersey, licensed in New Jersey (25MA10767300) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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. Thomas Andrew Nahass 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 Thomas Nahass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 641 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 3
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.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Thomas Nahass's NPI number?
The NPI number for Thomas Nahass is 1952838385. It was assigned to this individual provider in the NPPES registry on May 16, 2017.
Where is Thomas Nahass located?
Thomas Nahass practices at 125 Paterson St # 484B, New Brunswick, NJ 08901. The listed phone number is (732) 286-7920.
What is Thomas Nahass's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Thomas Nahass enrolled in Medicare?
Yes. Thomas Nahass 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 Thomas Nahass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Nahass reassigns Medicare benefits to Rutgers Health-Rwj Scleroderma Program (New Brunswick, 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 Thomas Nahass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Nahass accept?
Health plans from Oscar Health list Thomas Nahass 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 Thomas Nahass affiliated with any hospitals?
According to CMS data, Thomas Nahass is affiliated with Robert Wood Johnson University Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Nahass was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Thomas Andrew Nahass, MD · NPI 1952838385
Critical Care Medicine physician in New Brunswick, New Jersey. Individual provider, active in the CMS NPPES registry since May 16, 2017.
## Identity
- **NPI:** 1952838385 (Entity type: Individual)
- **Enumerated:** May 16, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 25MA10767300 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 PATERSON ST # 484B, New Brunswick, NJ 08901-1962
- **Phone:** (732) 286-7920
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rutgers Health-Rwj Scleroderma Program (NPI 1003988635, New Brunswick, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 2017
## Record status
- **NPPES last updated:** April 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1952838385) · Data from the CMS NPPES public registry.