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Gastroenterology

Louis H. Griffel, MD

Works at hospitals in New Brunswick, NJ · New Jersey

Summary

Dr. Louis H. Griffel, MD is a gastroenterologist at 1 Robert Wood Johnson Pl, Rutgers Health Rwj Gastroenterology, New Brunswick, NJ 08901. Phone: (732) 828-3000. Accepts Medicare assignment. In 2024, Louis H. Griffel had 11 Original Medicare patients and 11 services. NPI 1902976582. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 1 Robert Wood Johnson Pl, Rutgers Health Rwj Gastroenterology, New Brunswick, NJ 08901 · Directions (1 more location)
  • Phone: (732) 828‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: Robert Wood Johnson University Hospital
  • Group practice: Rutgers Health-Rwj Scleroderma Program
  • Medical school: Hahnemann University College Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Louis H. Griffel, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Louis H. Griffel accept Medicare assignment?
Yes. Medicare's clinician data says Louis H. Griffel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Louis H. Griffel see?
In 2024, CMS data shows 11 Original Medicare patients and 11 services for Louis H. Griffel. This counts Original Medicare only and measures volume, not quality.
What is Louis H. Griffel's NPI number?
1902976582. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Louis H. Griffel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients11
Services billed to Medicare11
Different services or procedures3
Participating Medicare providerYes
Average age of these patients78

Hospitals where Louis H. Griffel works

Medicare's Facility Affiliation Data lists Louis H. Griffel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Louis H. Griffel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Louis H. Griffel as a member of this group (CMS data updated October 2, 2026).

  • Rutgers Health-Rwj Scleroderma Program391 clinicians in the group

Specialties

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in New Brunswick

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

All gastroenterologists in New Brunswick →

Other clinicians in Rutgers Health-Rwj Scleroderma Program

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902976582
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians