Doctor profile · Federal record

Dr. Patrick Keller, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Waukesha, WI

  • NPI 1801817499
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 American Ave
Waukesha, WI 531885031
(262) 928-2400
fax (414) 235-4766

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 14, 2012
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Wisconsin #41469-020
Medicaid
WI #34166900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801817499. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,649
Distinct HCPCS
10
Medicare allowed
$75,095
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,450 14 $0
71045 X-ray of chest, 1 view 385 356 $8
70450 Ct scan head or brain without contrast 191 182 $38
77063 Screening 3d breast mammography 120 120 $27
77067 Screening mammography 120 120 $34
71046 X-ray of chest, 2 views 96 72 $13
74177 Ct scan of abdomen and pelvis with contrast 93 92 $82
71046 X-ray of chest, 2 views 59 55 $10
72148 Mri scan of lower spinal canal without contrast 55 55 $67
71250 Ct scan of chest without contrast 53 53 $49

In context: peer comparison

Among 11 peers in this city , average services per provider: 199. This provider delivers 18× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Keller's medical specialty?
Dr. Patrick Keller practices Diagnostic Radiology Physician in Waukesha, WI.
Where does Dr. Patrick Keller practice?
Dr. Patrick Keller practices at 725 American Ave, Waukesha, WI 531885031. Office phone: 2629282400.
What is Dr. Patrick Keller's NPI?
Dr. Patrick Keller's National Provider Identifier (NPI) is 1801817499, issued by NPPES.
Does Dr. Patrick Keller accept Medicare assignment?
Yes. Dr. Patrick Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Keller 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.