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

Dr. Mark A Dennis, MD

Individual provider Diagnostic Radiology Physician · NPI 1649256561

Dr. Mark A Dennis, MD is a Diagnostic Radiology in Englewood, Colorado. Qualified in 1979, 47 years ago. Practices with Medical Imaging of Colorado Radiology Imaging Assc PC Etal PT, a 123-clinician group and accepts Medicare assignment. Licensed in Colorado, Hawaii, Kansas and Nebraska.

Years since qualifying
47
Licensed in
CO, HI, KS, NE
In the registry since
2005
Specialties on file
4
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

10800 E Geddes Ave Ste 300
Englewood, CO 80112-3895
Phone: (303) 761-9190
Fax: (720) 874-4462
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 23198 (CO)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 25104 (NE)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 04-36688 (KS)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD17507 (HI)

Record details

NPI number1649256561
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 22, 2005
Last updated in NPPESDecember 14, 2022
Certification dateDecember 14, 2022
Mailing address10800 E Geddes Ave Ste 300, Englewood, CO 80112-3895

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Medical Imaging Of Colorado Radiology Imaging Assc Pc Etal Pt — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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