Doctor profile · Federal record

Dr. Kasey Chaszczewski, M.D.

Pediatric Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Pediatrics Physician · Milwaukee, WI

  • NPI 1215376868
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 13 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
9000 W Wisconsin Ave
Milwaukee, WI 532264874
(414) 266-2380
Additional location
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-5320
fax (414) 805-5323

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
March 11, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2080P0202X — NUCC code
State licenses (2)
Wisconsin #74942 · Illinois #125-063768
Medicaid
WI #1215376868

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215376868. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
3
Medicare allowed
$1,186
HCPCS Description Services Patients Avg allowed
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 16 16 $3
93303 Ultrasound of heart for congenital defect 15 15 $59
93320 Ultrasound of heart blood flow, valves and chambers 15 15 $17

In context: peer comparison

Among 3 peers in Milwaukee Pediatric Cardiology Physician, average services per provider: 16. This provider delivers 2.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kasey Chaszczewski's medical specialty?
Dr. Kasey Chaszczewski practices Pediatric Cardiology Physician in Milwaukee, WI.
Where does Dr. Kasey Chaszczewski practice?
Dr. Kasey Chaszczewski practices at 9000 W Wisconsin Ave, Milwaukee, WI 532264874. Office phone: 4142662380.
What is Dr. Kasey Chaszczewski's NPI?
Dr. Kasey Chaszczewski's National Provider Identifier (NPI) is 1215376868, issued by NPPES.
Does Dr. Kasey Chaszczewski accept Medicare assignment?
Yes. Dr. Kasey Chaszczewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kasey Chaszczewski commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS 93325); Ultrasound of heart for congenital defect (HCPCS 93303); Ultrasound of heart blood flow, valves and chambers (HCPCS 93320). Source: CMS Medicare Physician & Other Practitioners file.