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Internal Medicine

John E. Hatzantonis, MD

Works at hospitals in Elmer, NJ · Vineland, NJ · New Jersey

Summary

John E. Hatzantonis, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Elmer, NJ and Vineland, NJ. NPI 1467551374. 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 E. Hatzantonis, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)
Consensus Medical Group LLCGroup practice

Quick answers

Which hospitals does John E. Hatzantonis work at?
Medicare's official clinician data lists John E. Hatzantonis at 2 hospitals: Inspira Medical Center Mullica Hill and Inspira Medical Center Vineland. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John E. Hatzantonis see patients?
Medicare's clinician data lists 1 practice location in Bridgeton, NJ. Call before your visit to confirm the address.
What is John E. Hatzantonis's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does John E. Hatzantonis accept Medicare assignment?
Yes. Medicare's clinician data says John E. Hatzantonis 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 E. Hatzantonis?
(856) 455-4800, as listed in official Medicare / NPI Registry data.
What is John E. Hatzantonis's NPI number?
1467551374. 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 E. Hatzantonis works

Medicare's Facility Affiliation Data lists John E. Hatzantonis 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 E. Hatzantonis is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John E. Hatzantonis as a member of this group (CMS data updated 2026-10-02).

  • Consensus Medical Group LLC137 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Bridgeton

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

All internal medicine doctors in Bridgeton →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467551374
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