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Nephrology

James Agresti, DO

Works at hospitals in Morristown, NJ · Summit, NJ · Rahway, NJ … · New Jersey

Summary

James Agresti, DO (Nephrology) is listed by Medicare at 4 hospitals in Morristown, NJ, Summit, NJ and Rahway, NJ and other places. NPI 1306931837. 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 James Agresti, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
46Years since medical school (graduated 1980)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)

Quick answers

Which hospitals does James Agresti work at?
Medicare's official clinician data lists James Agresti at 4 hospitals: Morristown Medical Center, Overlook Medical Center, Robert Wood Johnson University Hospital at Rahway and Trinitas Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James Agresti see patients?
Medicare's clinician data lists 2 practice locations, including Kenilworth, NJ. Call before your visit to confirm the address.
What is James Agresti's specialty?
Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
Does James Agresti accept Medicare assignment?
Yes. Medicare's clinician data says James Agresti 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 James Agresti?
(908) 272-0777, as listed in official Medicare / NPI Registry data.
What is James Agresti's NPI number?
1306931837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James Agresti works

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

  • 609 BoulevardKenilworth, NJ 07033 (908) 272‑0777
  • 609 Kenilworth BlvdKenilworth, NJ 07033

Specialties

Find other Nephrology doctors in New Jersey →

Other nephrologists in New Jersey

Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.

All nephrologists in New Jersey →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1980
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306931837
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