Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark Douglas Keiper, MD

Individual provider Diagnostic Radiology Physician · NPI 1306835368

Mark Douglas Keiper, MD practises Diagnostic Radiology in Omaha, Nebraska. Graduated from Perelman School of Med at the University of Pennsylvania in 1990, 36 years ago. Practices with Unmc Physicians, a 1,484-clinician group and accepts Medicare assignment. Licensed in Arizona and Nebraska.

Years since qualifying
36
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
AZ, NE
In the registry since
2005
Specialties on file
2
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

Emile 42nd St
Omaha, NE 68198-1045
Phone: (402) 559-1010
Fax: (402) 559-1011
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neuroradiology Physician (primary) Taxonomy 2085N0700X · Licence 26397 (NE)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 25156 (AZ)

Record details

NPI number1306835368
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 20, 2005
Last updated in NPPESNovember 23, 2016

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1990 (36 years in practice)
Group practice Unmc Physicians — 1484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,133
Services billed 1,543 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Unmc Physicians

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1484 clinicians in the practice; 12 are shown here.

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