Doctor profile · Federal record

Dr. Alexander Leung, M.D.

Vascular Surgery Physician (CMS: Vascular Surgery) · Vascular Surgery Physician · Denver, CO

  • NPI 1861855017
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4105 E Florida Ave Ste 200
Denver, CO 802223641
(303) 539-0736
Additional location
Uw Hospitals and Clinics, 600 Highland Ave
Madison, WI 537920001
(608) 263-6400

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
March 14, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State licenses (2)
Colorado #DR.0066047 · Wisconsin #68790
Medicaid
CO #9000195258

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861855017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
953
Distinct HCPCS
10
Medicare allowed
$139,469
HCPCS Description Services Patients Avg allowed
93922 Ultrasound study of arm and leg arteries 77 59 $68
93970 Ultrasound study of arm or leg veins with compression and maneuvers 69 69 $192
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 61 58 $121
99204 New patient office or other outpatient visit, 45-59 minutes 59 59 $167
99213 Established patient office or other outpatient visit, 20-29 minutes 55 48 $90
99203 New patient office or other outpatient visit, 30-44 minutes 53 53 $113
93926 Ultrasound of one leg arteries or artery grafts 48 36 $130
76937 Ultrasonic guidance for blood vessel access 44 31 $14
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 42 14 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 40 38 $126

In context: peer comparison

Among 7 peers in this city , average services per provider: 33. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,628
Transactions
35
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
W. L. Gore & Associates, Inc. 5 $1,262.37
AngioDynamics, Inc. 7 $1,039.19
Boston Scientific Corporation 4 $337.64
Endologix LLC 2 $236.35
Inari Medical, Inc. 3 $221.92
ABIOMED 2 $146.87
Medtronic, Inc. 1 $101.66
Philips North America LLC 3 $73.68
Integra LifeSciences Corporation 2 $59.54
Smith+Nephew, Inc. 2 $49.37
Vaporox, Inc. 1 $39.95
Janssen Pharmaceuticals, Inc 1 $21.96
Aroa Biosurgery Incorporated 1 $20.31
Ossur Americas, Inc. 1 $17.62

By nature of payment

Food and Beverage
$1,708
Travel and Lodging
$1,163
Long term medical supply or device loan
$757

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
13
Total drug cost
$541
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 35 13 $541

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Leung's medical specialty?
Dr. Alexander Leung practices Vascular Surgery Physician in Denver, CO.
Where does Dr. Alexander Leung practice?
Dr. Alexander Leung practices at 4105 E Florida Ave Ste 200, Denver, CO 802223641. Office phone: 3035390736.
What is Dr. Alexander Leung's NPI?
Dr. Alexander Leung's National Provider Identifier (NPI) is 1861855017, issued by NPPES.
Does Dr. Alexander Leung accept Medicare assignment?
Yes. Dr. Alexander Leung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Leung commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of arm and leg arteries (HCPCS 93922); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971). Source: CMS Medicare Physician & Other Practitioners file.