Doctor profile · Federal record

Dr. Christopher Zellmer, M.D.

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

  • NPI 1346275435
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2000 E Layton Ave
St Francis, WI 532356053
(414) 744-6589
Additional location
3003 W Good Hope RD
Milwaukee, WI 532092042
(414) 352-3100
fax (414) 247-4597
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 14, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Wisconsin #32403
Medicaid
WI #31923700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346275435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,271
Distinct HCPCS
10
Medicare allowed
$141,865
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 2,450 28 $0
71045 X-ray of chest, 1 view 640 617 $8
70450 Ct scan head or brain without contrast 352 348 $37
71046 X-ray of chest, 2 views 235 234 $31
77063 Screening 3d breast mammography 196 196 $50
77067 Screening mammography 196 196 $121
72125 Ct scan of upper spine without contrast 127 126 $44
74177 Ct scan of abdomen and pelvis with contrast 120 119 $81
73030 X-ray of shoulder, minimum of 2 views 111 107 $32
73562 X-ray of knee, 3 views 103 91 $39

In context: peer comparison

Among 22 peers in St Francis Diagnostic Radiology Physician, average services per provider: 104. This provider delivers 60× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Zellmer's medical specialty?
Dr. Christopher Zellmer practices Diagnostic Radiology Physician in St Francis, WI.
Where does Dr. Christopher Zellmer practice?
Dr. Christopher Zellmer practices at 2000 E Layton Ave, St Francis, WI 532356053. Office phone: 4147446589.
What is Dr. Christopher Zellmer's NPI?
Dr. Christopher Zellmer's National Provider Identifier (NPI) is 1346275435, issued by NPPES.
Does Dr. Christopher Zellmer accept Medicare assignment?
Yes. Dr. Christopher Zellmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Zellmer 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.