Dr. Dominic K. Leung, MD
- Medicare services, 2024
- 1,195
- Medicare patients, 2024
- 410
- Part D claims, 2024
- 5,173
- Hospital affiliations
- 2
- Industry payments
- $125
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Leung's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Dominic K. Leung is an internist in Winfield, Illinois
Dr. Leung practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Leung's NPI, 1144230335, was assigned on August 9, 2006. Dr. Leung graduated from Ohio State University College of Medicine in 1994. Dr. Leung holds Illinois license 036-103086.
- NPI
- 1144230335NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820287097
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dominic K. Leung practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Leung's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. Dominic K. Leung is affiliated with 7 sites of care and 3 medical groups
Dr. Leung's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Leung is also affiliated with Edward Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Leung to 2 more group practices and clinics, 2 medical groups, 1 breast imaging center, 1 clinical lab and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dominic K. Leung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leung practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Dominic K. Leung is one of 5,652 internists in Illinois
Internal medicine is Dr. Leung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leung is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Leung
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Dominic K. Leung billed Medicare for 1,195 services in 2024
CMS data shows 1,195 Medicare services from Dr. Leung across 18 procedure codes in 2024, for 410 Medicare patients. Medicare paid $56,296 for them. Every service was in an office.
Dr. Leung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7752024: 43744%
- Tests and treatments
- 2023: 6342024: 25859%
- Surgery
- 2023: 4752024: 22752%
- Lab and pathology
- 2023: 4612024: 20057%
- Other services
- 2023: 2632024: 7372%
Dr. Leung compared with the Illinois median for internists, 2024
- Dr. Leung
- Illinois median
- Medicare services
- 1,195vs 5662.1 times
- Medicare patients
- 410vs 20897% above
- Part D claims
- 4,539vs 28416.0 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Leung's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Leung?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leung and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dominic K. Leung treated 410 Medicare patients in 2024, average age 78
CMS counts 410 Medicare patients who saw Dr. Leung in 2024. The largest group is 75 to 84, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Leung's median patient age at 76, with 45% women.
Dr. Leung's Medicare patients by age, 2024
Dr. Leung's Medicare patients by sex, 2024
- Women16941%
- Men24159%
Chronic conditions among Dr. Leung's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease43%
- Atrial fibrillation36%
- Chronic kidney disease34%
- Diabetes33%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dominic K. Leung wrote 5,173 Medicare Part D claims in 2024
In 2024, Dr. Leung wrote 5,173 Medicare Part D claims for 546 patients. 87% of them were for generic drugs. CMS names the drug for 4,539 of them, across 84 drugs with 11 or more claims each, at $247,566 in total drug cost. In 2023, CMS named 6,735 claims across 102 drugs.
Dr. Leung's Part D claims by kind of drug, 2024
- Generic4,496 claims87%
- Brand-name602 claims12%
- Other75 claims1%
Dr. Leung's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Leung's Part D claims, 2024
- Opioids1%39 of 5,173 claims
- Antibiotics1%31 of 5,173 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,7352024: 4,53933%
Drugs named by CMS: 84 in 2024, 102 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Dominic K. Leung takes part in Medicare
Dr. Leung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dominic K. Leung received $125 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Leung from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $125.
Companies that paid Dr. Leung the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dominic K. Leung graduated from Ohio State University College of Medicine
Dr. Leung graduated from Ohio State University College of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dominic K. Leung's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Dominic K. Leung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Dominic K. Leung's NPI number?
Dr. Dominic K. Leung's NPI number is 1144230335. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dominic K. Leung?
Dr. Dominic K. Leung is an internist in Winfield, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dominic K. Leung practice?
Dr. Leung practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Leung's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Leung to 2 group practices and clinics, 2 medical groups, 1 breast imaging center, 1 clinical lab and 1 home health agency.
What is Dr. Dominic K. Leung's office phone number?
The practice phone on file for Dr. Leung is (630) 682-1600.
What is Dr. Dominic K. Leung's medical license number?
Dr. Leung holds Illinois license 036-103086.
Which hospitals is Dr. Dominic K. Leung affiliated with?
Dr. Leung practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Leung is also affiliated with Edward Hospital.
What medical group is Dr. Dominic K. Leung part of?
Dr. Leung is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Leung to 2 more medical groups.
Does Dr. Dominic K. Leung accept Medicare?
Yes. CMS data shows Dr. Leung billed Medicare for 1,195 services in 2024, and Dr. Leung accepts Medicare assignment.
How many Medicare patients does Dr. Dominic K. Leung see?
CMS counts 410 Medicare patients who saw Dr. Leung in 2024, with an average age of 78.
What services does Dr. Dominic K. Leung bill to Medicare?
In 2024, Dr. Leung's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (85610).
Show 4 more questionsShow fewer questions
Where did Dr. Dominic K. Leung go to medical school?
Dr. Leung graduated from Ohio State University College of Medicine in 1994.
What drugs does Dr. Dominic K. Leung prescribe most?
In 2024 Medicare Part D data, Dr. Leung's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Dominic K. Leung received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Leung from 1 company from 2017 to 2017. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Dominic K. Leung been practicing?
Dr. Leung graduated from medical school in 1994, 32 years ago.
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