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

Dr. Erin Sue Marcum, MD

Individual provider Hospitalist Physician · NPI 1932361706

Dr. Erin Sue Marcum, MD is an Internal Medicine in Westminster, Colorado. Graduated from University of Washington School of Medicine in 2008, 18 years ago. Practices with Colorado Permanente Medical Group PC, a 1,325-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
18
Trained at
University of Washington School of Medicine
Licensed in
CO
In the registry since
2008
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

14300 Orchard Pkwy
Westminster, CO 80023-9206
Phone: (303) 338-4545
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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 DR.0050223 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2809 (CO)

Record details

NPI number1932361706
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2008
Last updated in NPPESDecember 12, 2025
Certification dateDecember 12, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Colorado Permanente Medical Group Pc — 1325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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