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

Cassandra Maria Bresnahan, MD

Individual provider Hospitalist Physician · NPI 1922031921

Cassandra Maria Bresnahan, MD is an Internal Medicine in Sterling, Colorado. Graduated from University of Toledo College of Medicine in 2003, 23 years ago. Practices with Red Mountain Internal Medicine, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
23
Trained at
University of Toledo College of Medicine
Licensed in
CO
In the registry since
2006
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

615 Fairhurst St
Sterling, CO 80751-4523
Phone: (970) 522-0122
Show map & directions

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

Additional practice locations (1)

  • 2222 N Nevada Ave Ste 5001, Colorado Springs, CO 80907-6865 — (719) 776-8040

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 43762 (CO)
Hospitalist Physician Taxonomy 208M00000X · Licence DR.0043762 (CO)

Record details

NPI number1922031921
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Red Mountain Internal Medicine — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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