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

Dr. Mark A Backus, MD

Individual provider Internal Medicine Physician · NPI 1588693105

Dr. Mark A Backus, MD is an Internal Medicine in Bend, Oregon. Graduated from Duke University School of Medicine in 1993, 33 years ago. Practices with Cascade Internal Medicine Specialists LLC, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
33
Trained at
Duke University School of Medicine
Licensed in
OR
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

2239 NE Doctors Dr Ste 200
Bend, OR 97701-7185
Phone: (541) 318-0124
Fax: (541) 318-0188
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD22701 (OR)

Record details

NPI number1588693105
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESFebruary 20, 2020
Certification dateFebruary 20, 2020
Mailing address2239 Ne Doctors Dr, Ste 200, Bend, OR 97701-7185

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Cascade Internal Medicine Specialists Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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