Physician Profile
Based in Chicago, IL, Dominic K. Leung, MD is listed in the NPI registry under internal medicine. Dominic graduated from Ohio State University College of Medicine in 1994. Medicare claims data shows Dominic provided 1,195 services to 854 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and blood test, clotting time. NPI 1144230335 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
332 S MICHIGAN AVE STE 900
Chicago, IL 60604
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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1,195 services · 854 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
227 | More often than most peers in Internal Medicine |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
194 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
16 | Less often than most peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
13 | Less often than most peers in Internal Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
12 | Less often than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
12 | Less often than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
11 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
245 | As often as other peers in Internal Medicine |
| Blood test, clotting time | Lab test | 85610 |
200 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Leung is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Leung is listed at 332 S Michigan Ave Ste 900, Chicago, IL 60604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (855) 229-2191. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Leung's National Provider Identifier is 1144230335. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Leung attended Ohio State University College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dr. Leung has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Leung performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as anticoagulant management of patient taking warfarin and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leung. If this is you, claiming it is free.
Guide.md
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