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

Marcus Aaron Oginsky, MD

Individual provider Internal Medicine Physician · NPI 1598860884

Marcus Aaron Oginsky, MD is a Hospitalist in Denver, Colorado. Graduated from University of Colorado School of Medicine, Denver in 2003, 23 years ago. Practices with Intermountain Medical Group Denver LLC, a 567-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
23
Trained at
University of Colorado School of Medicine, Denver
Licensed in
CO
In the registry since
2006
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

835 E 18th Ave Ste 110
Denver, CO 80218
Phone: (303) 825-4646
Fax: (303) 825-3215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 43833 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 43833 (CO)

Record details

NPI number1598860884
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESAugust 13, 2018

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2003 (23 years in practice)
Group practice Intermountain Medical Group Denver Llc — 567 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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