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

Dr. Shannon Elise Mackay, DO

Individual provider Internal Medicine Physician · NPI 1235585548

Dr. Shannon Elise Mackay, DO is a Hospitalist in Littleton, Colorado. Graduated from Rocky Vista University College of Osteopathic Med in 2016, 10 years ago. Practices with Portercare Adventist Health System, a 767-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
10
Trained at
Rocky Vista University College of Osteopathic Med
Licensed in
CO
In the registry since
2016
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

7700 S Broadway
Littleton, CO 80122
Phone: (303) 730-8900
Fax: (303) 734-2038
Show map & directions

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

Additional practice locations (1)

  • 10099 Ridgegate Pkwy Ste 120, Lone Tree, CO 80124-5532 — (720) 476-3364

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0062368 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0062368 (CO)

Record details

NPI number1235585548
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 5, 2016
Last updated in NPPESJuly 28, 2023
Certification dateJuly 28, 2023

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolROCKY VISTA UNIVERSITY COLLEGE OF OSTEOPATHIC MED
Graduated 2016 (10 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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