Doctor profile · Federal record

Dr. Joel Dennhardt, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Cedar Rapids, IA

  • NPI 1942643200
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1948 1St Ave Ne
Cedar Rapids, IA 524025377
(319) 364-0121
Mailing address
200 Hawkins Dr Dept of
Iowa City, IA 522421009

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
April 23, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Iowa #R‐10023

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942643200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,136
Distinct HCPCS
10
Medicare allowed
$152,018
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 2,000 12 $0
71045 X-ray of chest, 1 view 358 291 $8
70450 Ct scan head or brain without contrast 342 331 $38
77080 Dxa bone density measurement of hip, pelvis, spine 248 248 $9
71046 X-ray of chest, 2 views 196 195 $10
70551 Mri scan of brain without contrast 193 191 $67
72100 X-ray of lower and sacral spine, 2-3 views 170 167 $10
74177 Ct scan of abdomen and pelvis with contrast 133 130 $82
77063 Screening 3d breast mammography 129 129 $27
77067 Screening mammography 129 129 $34

In context: peer comparison

Among 15 peers in Cedar Rapids Diagnostic Radiology Physician, average services per provider: 74. This provider delivers 83× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joel Dennhardt's medical specialty?
Dr. Joel Dennhardt practices Diagnostic Radiology Physician in Cedar Rapids, IA.
Where does Dr. Joel Dennhardt practice?
Dr. Joel Dennhardt practices at 1948 1St Ave Ne, Cedar Rapids, IA 524025377. Office phone: 3193640121.
What is Dr. Joel Dennhardt's NPI?
Dr. Joel Dennhardt's National Provider Identifier (NPI) is 1942643200, issued by NPPES.
Does Dr. Joel Dennhardt accept Medicare assignment?
Yes. Dr. Joel Dennhardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Dennhardt commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.