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

Marie Klish Weeks, MD

Individual provider Radiation Oncology Physician · NPI 1568434207

Marie Klish Weeks, MD is a Radiation Oncology in Littleton, Colorado. Graduated from University of North Carolina at Chapel Hill School of Medicine in 2000, 26 years ago. Practices with Rocky Mountain Cancer Centers LLP, a 132-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
26
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
CO
In the registry since
2006
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

22 W Dry Creek Cir
Littleton, CO 80120-4413
Phone: (303) 730-4700
Fax: (303) 930-8053
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence DR.0044401 (CO)

Record details

NPI number1568434207
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2006
Last updated in NPPESFebruary 19, 2025
Certification dateFebruary 19, 2025
Mailing address7951 E Maplewood Ave Ste 350, Greenwood Village, CO 80111-4758

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Rocky Mountain Cancer Centers Llp — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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