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

Mark E. Mikkelsen, MD

Individual provider Internal Medicine Physician · NPI 1831252360

Mark E. Mikkelsen, MD is a Critical Care (Intensivists) in Aurora, Colorado. Qualified in 2002, 24 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group and accepts Medicare assignment. Licensed in Colorado and Pennsylvania.

Years since qualifying
24
Licensed in
CO, PA
In the registry since
2006
Specialties on file
5
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

12605 E 16th Ave
Aurora, CO 80045-2545
Phone: (720) 848-0000
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence DR.0067140 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD426191 (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD426191 (PA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence DR.0067140 (CO)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence MD426191 (PA)

Record details

NPI number1831252360
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 18, 2006
Last updated in NPPESJune 17, 2026
Certification dateJune 17, 2026
Mailing addressPo Box 110429, Aurora, CO 80042-0429

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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