JOHN KOUVARAS D.O.
NPI 1437194081
Anesthesiology in Newton, NJ
About John Kouvaras D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KOUVARAS D.O. (NPI 1437194081) is an individual anesthesiology provider in Newton, New Jersey, licensed in New Jersey (25MB07754400) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Carepoint Health-hoboken University Medical Center, and is a graduate of University Of Nevada, Las Vegas School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
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
John Kouvaras D.o. 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
5Medicare enrollment records show John Kouvaras reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Bayonne, NJ 07002
- Reassigned Medicare billing, New Jersey enrollment
- 637 clinicians in this Medicare group
North Bergen, NJ 07047
- Reassigned Medicare billing, New Jersey enrollment
- 464 clinicians in this Medicare group
Tucson, AZ 85747
- Reassigned Medicare billing, Arizona enrollment
- 204 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carepoint Health-Hoboken University Medical Center
Acute Care Hospitals · Hoboken, NJMonmouth Medical Center-Southern Campus
Acute Care Hospitals · Lakewood, 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.
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 John Kouvaras's NPI number?
The NPI number for John Kouvaras is 1437194081. It was assigned to this individual provider in the NPPES registry on June 18, 2006.
Where is John Kouvaras located?
John Kouvaras practices at 175 High St, Newton, NJ 07860. The listed phone number is (973) 383-2121.
What is John Kouvaras's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Kouvaras enrolled in Medicare?
Yes. John Kouvaras 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 John Kouvaras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Kouvaras reassigns Medicare benefits to 5 organizations: Rwjbh Observation Associates LLC (Livingston, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), Garden State Healthcare Associates, LLC (Bayonne, NJ), Parkway Anesthesia Associates LLC (North Bergen, NJ) and Hospitalist Medicine Physicians Of Arizona - Nogales (Tucson, AZ). 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 John Kouvaras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Kouvaras affiliated with any hospitals?
According to CMS data, John Kouvaras is affiliated with Carepoint Health-Hoboken University Medical Center and Monmouth Medical Center-Southern Campus.
When was this NPI record last updated?
The NPPES record for John Kouvaras was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# John Kouvaras, D.O. · NPI 1437194081
Anesthesiology physician in Newton, New Jersey. Individual provider, active in the CMS NPPES registry since June 18, 2006.
## Identity
- **NPI:** 1437194081 (Entity type: Individual)
- **Enumerated:** June 18, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MB07754400 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 175 HIGH ST, Newton, NJ 07860-1004
- **Phone:** (973) 383-2121
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Garden State Healthcare Associates, LLC (NPI 1700014545, Bayonne, NJ); Parkway Anesthesia Associates LLC (NPI 1518319755, North Bergen, NJ); Hospitalist Medicine Physicians Of Arizona - Nogales (NPI 1487251799, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nevada, Las Vegas School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 25MB07754400 (NJ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1437194081) · Data from the CMS NPPES public registry.