Doctor profile · Federal record

Dr. Barbara Bresnahan, MD

Nephrology Physician (CMS: Nephrology) · Milwaukee, WI

  • NPI 1073564431
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave, Division of Nephrology
Milwaukee, WI 532263522
(414) 805-3100
fax (414) 805-9059

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 8, 2013
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Wisconsin #24472
Medicaid
WI #1073564431

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073564431. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
208
Distinct HCPCS
4
Medicare allowed
$19,728
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 107 94 $91
90935 Hemodialysis procedure with physician evaluation 62 32 $68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 21 $164
99215 Established patient office or other outpatient visit, 40-54 minutes 16 15 $130

In context: peer comparison

Among 22 peers in this city , average services per provider: 129. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,765
Patients
481
Total drug cost
$133,561
Drug Type Claims Patients Total cost
Prednisone Generic 446 99 $4,363
Amlodipine Besylate Generic 155 52 $2,175
Cinacalcet Hcl Generic 140 30 $105,239
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 129 31 $974
Losartan Potassium Generic 117 36 $2,166
Famotidine Generic 91 23 $1,779
Allopurinol Generic 89 29 $1,669
Carvedilol Generic 86 24 $1,409
Furosemide Generic 85 25 $953
Metoprolol Tartrate Generic 81 22 $1,297

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Barbara Bresnahan's medical specialty?
Dr. Barbara Bresnahan practices Nephrology Physician in Milwaukee, WI.
Where does Dr. Barbara Bresnahan practice?
Dr. Barbara Bresnahan practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148053100.
What is Dr. Barbara Bresnahan's NPI?
Dr. Barbara Bresnahan's National Provider Identifier (NPI) is 1073564431, issued by NPPES.
Does Dr. Barbara Bresnahan accept Medicare assignment?
Yes. Dr. Barbara Bresnahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barbara Bresnahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemodialysis procedure with physician evaluation (HCPCS 90935); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.