Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

John A. Cerritelli, MD

Sees patients in Belleville, NJ · New Jersey

Summary

John A. Cerritelli, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Belleville, NJ. NPI 1437240553. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John A. Cerritelli, 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
May acceptAccepts Medicare assignment
39Years since medical school (graduated 1987)
MaleGender (as listed)

Quick answers

Where does John A. Cerritelli see patients?
Medicare's clinician data lists 1 practice location in Belleville, NJ. Call before your visit to confirm the address.
What is John A. Cerritelli's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does John A. Cerritelli accept Medicare assignment?
Medicare's clinician data says John A. Cerritelli may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for John A. Cerritelli?
(973) 751-4477, as listed in official Medicare / NPI Registry data.
What is John A. Cerritelli's NPI number?
1437240553. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in Belleville

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

All internal medicine doctors in Belleville →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1437240553
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians