Doctor profile · Federal record

Dr. Timothy Niesen, M.D.

Vascular & Interventional Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Vascular & Interventional Radiology Physician · Newark, DE

  • NPI 1780974105
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4755 Ogletown Stanton RD
Newark, DE 197182200
(302) 733-1806
fax (302) 733-1808

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
July 7, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2085R0204X — NUCC code
State licenses (2)
Pennsylvania #MD461182 · Delaware #C1-0010245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780974105. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,298
Distinct HCPCS
10
Medicare allowed
$177,371
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,700 17 $0
71045 X-ray of chest, 1 view 1,120 912 $9
71046 X-ray of chest, 2 views 823 794 $11
74177 Ct scan of abdomen and pelvis with contrast 354 341 $88
71250 Ct scan of chest without contrast 283 276 $51
71260 Ct scan of chest with contrast 197 190 $54
72170 X-ray of pelvis, 1-2 views 169 164 $8
74176 Ct scan of abdomen and pelvis without contrast 153 151 $84
71250 Ct scan of chest without contrast 134 131 $58
73560 X-ray of knee, 1-2 views 123 109 $8

In context: peer comparison

Among 6 peers in this city , average services per provider: 77. This provider delivers 95× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Niesen's medical specialty?
Dr. Timothy Niesen practices Vascular & Interventional Radiology Physician in Newark, DE.
Where does Dr. Timothy Niesen practice?
Dr. Timothy Niesen practices at 4755 Ogletown Stanton RD, Newark, DE 197182200. Office phone: 3027331806.
What is Dr. Timothy Niesen's NPI?
Dr. Timothy Niesen's National Provider Identifier (NPI) is 1780974105, issued by NPPES.
Does Dr. Timothy Niesen accept Medicare assignment?
Yes. Dr. Timothy Niesen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Niesen 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); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.