Doctor profile · Federal record

Dr. Kathleen Uy, MD

Nephrology Physician (CMS: Nephrology) · Milwaukee, WI

  • NPI 1255323259
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3120 South 27Th Street
Milwaukee, WI 53215
(414) 672-8282
fax (414) 672-8284
Mailing address
335 Mahn Court
Oak Creek, WI 53154

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
January 14, 2010
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Wisconsin #41714
Medicaid
WI #33326600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255323259. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,227
Distinct HCPCS
10
Medicare allowed
$298,492
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 558 203 $109
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 513 206 $73
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 331 48 $303
99214 Established patient office or other outpatient visit, 30-39 minutes 293 186 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 156 84 $86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 117 108 $161
99215 Established patient office or other outpatient visit, 40-54 minutes 84 54 $167
99215 Established patient office or other outpatient visit, 40-54 minutes 59 37 $132
90935 Hemodialysis procedure with physician evaluation 49 32 $65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 26 $119

In context: peer comparison

Among 22 peers in this city , average services per provider: 129. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $14.04
Travere Therapeutics, Inc. 1 $13.57

By nature of payment

Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,768
Patients
872
Total drug cost
$440,789
Drug Type Claims Patients Total cost
Losartan Potassium Generic 393 111 $5,135
Potassium Chloride Generic 304 99 $18,318
Spironolactone Generic 234 76 $4,242
Amlodipine Besylate Generic 212 76 $1,622
Furosemide Generic 205 68 $2,094
Lisinopril Generic 198 62 $1,552
Torsemide Generic 182 59 $7,705
Famotidine Generic 160 49 $2,896
Hydralazine Hcl Generic 155 47 $4,303
Sevelamer Carbonate Generic 134 43 $28,549

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Uy's medical specialty?
Dr. Kathleen Uy practices Nephrology Physician in Milwaukee, WI.
Where does Dr. Kathleen Uy practice?
Dr. Kathleen Uy practices at 3120 South 27Th Street, Milwaukee, WI 53215. Office phone: 4146728282.
What is Dr. Kathleen Uy's NPI?
Dr. Kathleen Uy's National Provider Identifier (NPI) is 1255323259, issued by NPPES.
Does Dr. Kathleen Uy accept Medicare assignment?
Yes. Dr. Kathleen Uy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Uy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.