Doctor profile · Federal record

Dr. Andrea Um, M.D.

Vascular Surgery Physician (CMS: Vascular Surgery) · Student in an Organized Health Care Education/Training Program · Madison, WI

  • NPI 1699200378
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uw Hospitals and Clinics 600 Highland Ave
Madison, WI 537920001
(608) 263-6400
Mailing address
1209 W Bittersweet Ln
Sioux Falls, SD 571082854

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
August 26, 2017
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
Wisconsin #6935-851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699200378. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,202
Distinct HCPCS
10
Medicare allowed
$152,788
HCPCS Description Services Patients Avg allowed
93880 Ultrasound of both sides of head and neck blood flow 356 341 $35
93970 Ultrasound study of arm or leg veins with compression and maneuvers 277 268 $31
93922 Ultrasound study of arm and leg arteries 217 193 $11
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 211 208 $20
99213 Established patient office or other outpatient visit, 20-29 minutes 146 120 $83
93925 Ultrasound of leg arteries or artery grafts 111 103 $35
99204 New patient office or other outpatient visit, 45-59 minutes 96 96 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 96 57 $61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 76 70 $120
93926 Ultrasound of one leg arteries or artery grafts 68 49 $21

In context: peer comparison

Among 10 peers in Madison Vascular Surgery Physician, average services per provider: 39. This provider delivers 56× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
149
Patients
43
Total drug cost
$24,909
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 56 28 $1,140
Atorvastatin Calcium Generic 50 15 $618
Eliquis (Apixaban) Brand 30 0 $22,786
Rosuvastatin Calcium Generic 13 0 $364

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrea Um's medical specialty?
Dr. Andrea Um practices Vascular Surgery Physician in Madison, WI.
Where does Dr. Andrea Um practice?
Dr. Andrea Um practices at Uw Hospitals and Clinics 600 Highland Ave, Madison, WI 537920001. Office phone: 6082636400.
What is Dr. Andrea Um's NPI?
Dr. Andrea Um's National Provider Identifier (NPI) is 1699200378, issued by NPPES.
Does Dr. Andrea Um accept Medicare assignment?
Yes. Dr. Andrea Um accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrea Um commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of both sides of head and neck blood flow (HCPCS 93880); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970); Ultrasound study of arm and leg arteries (HCPCS 93922). Source: CMS Medicare Physician & Other Practitioners file.