Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Timothy James Niesen, MD

Individual provider Diagnostic Radiology Physician · NPI 1780974105

Dr. Timothy James Niesen, MD is a Diagnostic Radiology in Newark, Delaware. Graduated from Drexel University College of Medicine in 2011, 15 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware and Pennsylvania.

Years since qualifying
15
Trained at
Drexel University College of Medicine
Licensed in
DE, PA
In the registry since
2011
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone: (302) 733-1806
Fax: (302) 733-1808
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence MD461182 (PA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence C1-0010245 (DE)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence C1-0010245 (DE)

Record details

NPI number1780974105
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2011
Last updated in NPPESJuly 7, 2021
Certification dateJuly 7, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolDREXEL UNIVERSITY COLLEGE OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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