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Internal Medicine

Dominic Leung, MD

Sees patients in Chicago, IL · Illinois

Summary

Dr. Dominic Leung, MD is an internal medicine doctor at 332 S Michigan Ave, Suite 900, Chicago, IL 60604. Phone: (855) 229-2191. Accepts Medicare assignment. In 2024, Dominic Leung had 410 Original Medicare patients and 2,111 services. NPI 1144230335. 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: 332 S Michigan Ave, Suite 900, Chicago, IL 60604 · Directions
  • Phone: (855) 229‑2191
  • Medicare: Accepts Medicare assignment
  • Group practice: Clear Practice PLLC
  • Medical school: Ohio State University College Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Dominic Leung, 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 Dominic Leung accept Medicare assignment?
Yes. Medicare's clinician data says Dominic Leung 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 Dominic Leung see?
In 2024, CMS data shows 410 Original Medicare patients and 2,111 services for Dominic Leung. This counts Original Medicare only and measures volume, not quality.
What is Dominic Leung's NPI number?
1144230335. 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 Dominic Leung, 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 patients410
Services billed to Medicare2,111
Different services or procedures34
Participating Medicare providerYes
Average age of these patients78

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)245 services
  2. Insertion of needle into vein for collection of blood sample (36415)227 services
  3. Blood test, clotting time (85610)200 services
  4. Anticoagulant management of patient taking warfarin (93793)194 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 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 pressure75%
  • High cholesterol75%
  • Arthritis49%
  • Ischemic heart disease43%
  • Atrial fibrillation36%
  • Chronic kidney disease34%

Practice locations

Addresses where Dominic Leung is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dominic Leung as a member of this group (CMS data updated October 2, 2026).

  • Clear Practice PLLC16 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All internal medicine doctors in Chicago →

Other clinicians in Clear Practice PLLC

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

Clinician information

CredentialMD
Medical schoolOhio State University College Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144230335
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