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Anesthesiology

John N. Kouvaras, DO

Works at hospitals in Hoboken, NJ · Lakewood, NJ · New Jersey

Summary

John N. Kouvaras, DO (Anesthesiology) is listed by Medicare at 2 hospitals in Hoboken, NJ and Lakewood, NJ. NPI 1437194081. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John N. Kouvaras, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
University Of Nevada, Las Vegas School Of MedicineMedical school
MaleGender (as listed)
RWJBH Observation Associates LLCGroup practice (+1 more)

Quick answers

Which hospitals does John N. Kouvaras work at?
Medicare's official clinician data lists John N. Kouvaras at 2 hospitals: CarePoint Health-Hoboken University Medical Center and Monmouth Medical Center-Southern Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John N. Kouvaras see patients?
Medicare's clinician data lists 2 practice locations, including Belleville, NJ and Hoboken, NJ. Call before your visit to confirm the address.
What is John N. Kouvaras's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does John N. Kouvaras accept Medicare assignment?
Yes. Medicare's clinician data says John N. Kouvaras accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John N. Kouvaras?
(973) 450-2000, as listed in official Medicare / NPI Registry data.
What is John N. Kouvaras's NPI number?
1437194081. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John N. Kouvaras works

Medicare's Facility Affiliation Data lists John N. Kouvaras at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John N. Kouvaras is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John N. Kouvaras as a member of these groups (CMS data updated 2026-10-02).

  • RWJBH Observation Associates LLC1,008 clinicians in the group
  • Garden State Healthcare Associates LLC170 clinicians in the group

Specialties

Find other Anesthesiology doctors in New Jersey →

Other anesthesiologists in Belleville

Clinicians with the same Medicare primary specialty in Belleville, NJ — not a recommendation.

All anesthesiologists in Belleville →

Clinician information

CredentialDO
Medical schoolUniversity Of Nevada, Las Vegas School Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437194081
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians