Doctor profile · Federal record

Dr. Gregory Heideman, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · St Francis, WI

  • NPI 1295820546
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2000 E Layton Ave
St Francis, WI 532356053
(414) 744-6589
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 1, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Wisconsin #49522-020
Medicaid
WI #100008514

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295820546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,013
Distinct HCPCS
10
Medicare allowed
$67,360
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 705 672 $8
70450 Ct scan head or brain without contrast 334 324 $37
74176 Ct scan of abdomen and pelvis without contrast 138 137 $78
74177 Ct scan of abdomen and pelvis with contrast 137 137 $80
72125 Ct scan of upper spine without contrast 116 114 $44
74018 X-ray of abdomen, 1 view 82 77 $8
71275 Ct scan of blood vessels of chest with contrast 80 79 $80
73502 X-ray of hip, 2-3 views 43 43 $10
70496 Ct scan of blood vessels of head with contrast 36 36 $78
70498 Ct scan of blood vessels of neck with contrast 35 35 $75

In context: peer comparison

Among 22 peers in St Francis Diagnostic Radiology Physician, average services per provider: 104. This provider delivers 19× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Heideman's medical specialty?
Dr. Gregory Heideman practices Diagnostic Radiology Physician in St Francis, WI.
Where does Dr. Gregory Heideman practice?
Dr. Gregory Heideman practices at 2000 E Layton Ave, St Francis, WI 532356053. Office phone: 4147446589.
What is Dr. Gregory Heideman's NPI?
Dr. Gregory Heideman's National Provider Identifier (NPI) is 1295820546, issued by NPPES.
Does Dr. Gregory Heideman accept Medicare assignment?
Yes. Dr. Gregory Heideman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Heideman commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis without contrast (HCPCS 74176). Source: CMS Medicare Physician & Other Practitioners file.