Doctor profile · Federal record

Dr. Janet Retseck, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Milwaukee, WI

  • NPI 1144546227
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-4600
fax (414) 805-6805

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
February 17, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Wisconsin #56560 · Wisconsin #5656020
Medicaid
WI #1144546227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144546227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
2
Medicare allowed
$6,286
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 17 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 36 26 $62

In context: peer comparison

Among 18 peers in Milwaukee Hematology & Oncology Physician, average services per provider: 98. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
18
Total drug cost
$5,066
Drug Type Claims Patients Total cost
Anastrozole Generic 55 18 $1,483
Tamoxifen Citrate Generic 33 0 $732
Exemestane Generic 12 0 $2,852

Frequently asked questions

Auto-generated from federal data
What is Dr. Janet Retseck's medical specialty?
Dr. Janet Retseck practices Hematology & Oncology Physician in Milwaukee, WI.
Where does Dr. Janet Retseck practice?
Dr. Janet Retseck practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148054600.
What is Dr. Janet Retseck's NPI?
Dr. Janet Retseck's National Provider Identifier (NPI) is 1144546227, issued by NPPES.
Does Dr. Janet Retseck accept Medicare assignment?
Yes. Dr. Janet Retseck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janet Retseck commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.