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

Dr. Gwendolyn Joyce McGinnis, MD, MCR

Individual provider Radiation Oncology Physician · NPI 1326471194

Dr. Gwendolyn Joyce McGinnis, MD, MCR is a Radiation Oncology in Thornton, Colorado. Graduated from Oregon Health Sciences University School of Medicine in 2018, 8 years ago. Practices with Rocky Mountain Cancer Centers LLP, a 132-clinician group and accepts Medicare assignment. Licensed in Colorado and Oregon.

Years since qualifying
8
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
CO, OR
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8820 Huron St
Thornton, CO 80260-6805
Phone: (303) 386-7658
Fax: (303) 487-9350
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence DR.0075042 (CO)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MD214617 (OR)

Record details

NPI number1326471194
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MCR
Sole proprietorNo
NPI enumeratedAugust 15, 2013
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Rocky Mountain Cancer Centers Llp — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Thornton