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Internal Medicine

Zaid W. Jabbar, MD

Sees patients in Oakbrook, IL · Illinois

Summary

Dr. Zaid W. Jabbar, MD is an internal medicine doctor at 3011 Butterfield Rd, Suite 240, Oakbrook, IL 60523. Phone: (630) 628-8889. Accepts Medicare assignment. In 2024, Zaid W. Jabbar had 105 Original Medicare patients and 1,147 services. NPI 1730351115. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3011 Butterfield Rd, Suite 240, Oakbrook, IL 60523 · Directions
  • Phone: (630) 628‑8889
  • Medicare: Accepts Medicare assignment
  • Group practice: Dupage Medical Group Ltd
  • Medical school: University Of Wisconsin School Of Medicine · graduated 2005 (21 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 Zaid W. Jabbar, 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 Zaid W. Jabbar accept Medicare assignment?
Yes. Medicare's clinician data says Zaid W. Jabbar 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 Zaid W. Jabbar see?
In 2024, CMS data shows 105 Original Medicare patients and 1,147 services for Zaid W. Jabbar. This counts Original Medicare only and measures volume, not quality.
What is Zaid W. Jabbar's NPI number?
1730351115. 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 Zaid W. Jabbar, 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 patients105
Services billed to Medicare1,147
Different services or procedures34
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)458 services
  2. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)126 services
  3. Injection of drug or substance under skin or into muscle (96372)119 services
  4. Cyanocobalamin (vitamin b-12) level (82607)80 services
  5. Insertion of needle into vein for collection of blood sample (36415)75 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 cholesterol75%
  • High blood pressure74%
  • Arthritis46%
  • Diabetes44%
  • Depression33%
  • Anxiety32%

Practice locations

Addresses where Zaid W. Jabbar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zaid W. Jabbar as a member of this group (CMS data updated October 2, 2026).

  • Dupage Medical Group Ltd1,322 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Illinois

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

All internal medicine doctors in Illinois →

Other clinicians in Dupage Medical Group Ltd

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730351115
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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