Doctor profile · Federal record

Dr. John Slaby, D.O.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Vascular & Interventional Radiology Physician · Sheboygan, WI

  • NPI 1134309354
  • Accepts Medicare
  • 21 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
2629 N 7Th St
Sheboygan, WI 530834932
(920) 451-5000
fax (920) 451-5333
Additional location
3707 New Vision Drive
Fort Wayne, IN 46845
(260) 469-4763
fax (260) 484-5919
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
January 28, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Wisconsin #49742 · Indiana #02003915A
Medicaid
WI #100071945

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134309354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,655
Distinct HCPCS
10
Medicare allowed
$73,475
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 950 11 $0
71045 X-ray of chest, 1 view 288 278 $8
70450 Ct scan head or brain without contrast 143 143 $38
72100 X-ray of lower and sacral spine, 2-3 views 74 74 $35
77067 Screening mammography 69 69 $118
77063 Screening 3d breast mammography 68 68 $49
70551 Mri scan of brain without contrast 57 57 $66
70496 Ct scan of blood vessels of head with contrast 53 53 $78
74177 Ct scan of abdomen and pelvis with contrast 52 52 $80
70498 Ct scan of blood vessels of neck with contrast 50 50 $74

In context: peer comparison

Among 2 peers in Sheboygan Diagnostic Radiology Physician, average services per provider: 79. This provider delivers 34× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Slaby's medical specialty?
Dr. John Slaby practices Diagnostic Radiology Physician in Sheboygan, WI.
Where does Dr. John Slaby practice?
Dr. John Slaby practices at 2629 N 7Th St, Sheboygan, WI 530834932. Office phone: 9204515000.
What is Dr. John Slaby's NPI?
Dr. John Slaby's National Provider Identifier (NPI) is 1134309354, issued by NPPES.
Does Dr. John Slaby accept Medicare assignment?
Yes. Dr. John Slaby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Slaby commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.