Alexander Donald Leung, M.D.
NPI 1861855017ActiveIndividual· Surgery, Vascular Surgery· Denver, CO
Surgery, Vascular Surgery (M.D.) with Intermountain Medical Group Denver LLC and 2 other groups, practicing in Denver, Colorado. In 2024 Medicare paid $235,841 for 414 patients, and Part D covered 128 of their prescriptions, 76% of them generic. Angiodynamics, Inc. was the largest of 12 companies reporting payments in 2025, $3,822 in all, mostly device and supply loans. Lists Citizens Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1861855017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2016 |
| Last updated in NPPES | Sep 22, 2026 |
| Certified by provider | Sep 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | DR.0066047 | CO |
| Surgery, Vascular Surgery | 2086S0129X | 68790 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Vascular Surgery (CO); Practitioner - Vascular Surgery (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 414 |
|---|---|
| Services billed | 1,589 across 121 procedure codes |
| Paid by Medicare | $235,841 |
Part D prescriptions in 2024
| Prescriptions (claims) | 128 · 247 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $33,545 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Vascular Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Intermountain Medical Group Denver LLCBroomfield, CO · 568 clinicians
- Annest Synn Nowak and Mubarak Professional LLCDenver, CO · 10 clinicians
- Vascular Labs of the Rockies PLLCDenver, CO · 5 clinicians
Hospital affiliations
- Citizens Medical CenterColby, KS
- Community HospitalGrand Junction, CO
- Goodland Regional Medical CenterGoodland, KS
- HCA Healthone RoseDenver, CO
- Saint Joseph HospitalDenver, CO
Industry payments (Open Payments)
- 2025$3,822 · 24 payments from 12 companies
- 2024$3,609 · 34 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Angiodynamics, Inc. | $2,105 | 5 |
| Philips North America LLC | $600.00 | 1 |
| Alphatec Spine, Inc | $491.25 | 2 |
| W. L. Gore & Associates, Inc. | $147.32 | 4 |
| Boston Scientific Corporation | $124.19 | 2 |
What the 2025 payments were for
- Long term medical supply or device loan$1,958 · 1 payment
- Food and Beverage$772.54 · 20 payments
- Consulting Fee$600.00 · 1 payment
- Travel and Lodging$491.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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