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

Leslie Thomas Busby, MD

Individual provider Hematology & Oncology Physician · NPI 1952385502

Leslie Thomas Busby, MD is a Medical Oncology in Boulder, Colorado. Graduated from University of Nevada School of Medicine in 1996, 30 years ago. Practices with Rocky Mountain Cancer Centers LLP, a 132-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
30
Trained at
University of Nevada School of Medicine
Licensed in
CO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4715 Arapahoe Ave
Boulder, CO 80303-1385
Phone: (303) 385-2000
Fax: (303) 444-1839
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 40330 (CO)

Record details

NPI number1952385502
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESJuly 15, 2011
Mailing address7951 E Maplewood Ave, Ste 300, Greenwood Village, CO 80111

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Rocky Mountain Cancer Centers Llp — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Boulder