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Internal Medicine

Nadeem Abou-Arraj

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Nadeem Abou-Arraj is an internal medicine doctor at 1051 N Canton Cntr Rd, University of Michigan Med Peds Association, Ann Arbor, MI 48187. Phone: (734) 844-5400. Accepts Medicare assignment. In 2024, Nadeem Abou-Arraj had 203 Original Medicare patients and 725 services. NPI 1437684909. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1051 N Canton Cntr Rd, University of Michigan Med Peds Association, Ann Arbor, MI 48187 · Directions (16 more locations)
  • Phone: (734) 844‑5400
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Michigan Health System
  • Group practice: Regents of the University of Michigan
  • Medical school: Boston University School Of Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Nadeem Abou-Arraj, 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 Nadeem Abou-Arraj accept Medicare assignment?
Yes. Medicare's clinician data says Nadeem Abou-Arraj 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 Nadeem Abou-Arraj see?
In 2024, CMS data shows 203 Original Medicare patients and 725 services for Nadeem Abou-Arraj. This counts Original Medicare only and measures volume, not quality.
What is Nadeem Abou-Arraj's NPI number?
1437684909. 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 Nadeem Abou-Arraj, 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 patients203
Services billed to Medicare725
Different services or procedures21
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)217 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)190 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)111 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)90 services
  5. Telephone medical discussion with physician, 11-20 minutes (99442)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure70%
  • High cholesterol61%
  • Arthritis49%
  • Ischemic heart disease30%
  • Diabetes29%
  • Chronic kidney disease23%

Hospitals where Nadeem Abou-Arraj works

Medicare's Facility Affiliation Data lists Nadeem Abou-Arraj 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 Nadeem Abou-Arraj is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.

Group practices

Medicare enrollment lists Nadeem Abou-Arraj as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of Michigan3,346 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All internal medicine doctors in Ann Arbor →

Other clinicians in Regents of the University of Michigan

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

Clinician information

Medical schoolBoston University School Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1437684909
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