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Pathology

Claudio Guerrieri, MD

Works at hospitals in Newark, NJ · New Jersey

Summary

Claudio Guerrieri, MD (Pathology) is listed by Medicare at 1 hospital in Newark, NJ. NPI 1942487764. 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 Claudio Guerrieri, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
MaleGender (as listed)
RWJBH Observation Associates LLCGroup practice (+1 more)

Quick answers

Which hospitals does Claudio Guerrieri work at?
Medicare's official clinician data lists Claudio Guerrieri at 1 hospital: Newark Beth Israel Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Claudio Guerrieri see patients?
Medicare's clinician data lists 2 practice locations, including New Brunswick, NJ and Newark, NJ. Call before your visit to confirm the address.
What is Claudio Guerrieri's specialty?
Medicare lists Pathology as the primary specialty.
Does Claudio Guerrieri accept Medicare assignment?
Yes. Medicare's clinician data says Claudio Guerrieri 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 Claudio Guerrieri?
(732) 828-3000, as listed in official Medicare / NPI Registry data.
What is Claudio Guerrieri's NPI number?
1942487764. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Claudio Guerrieri works

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

Group practices

Medicare enrollment lists Claudio Guerrieri as a member of these groups (CMS data updated 2026-10-02).

  • RWJBH Observation Associates LLC1,008 clinicians in the group
  • University Physician Associates of New Jersey Inc378 clinicians in the group

Specialties

Find other Pathology doctors in New Jersey →

Other pathologists in New Brunswick

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

All pathologists in New Brunswick →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942487764
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