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

Dr. Karen Langer Axten, MD

Individual provider Internal Medicine Physician · NPI 1295199404

Dr. Karen Langer Axten, MD is a Hematology/Oncology in Bend, Oregon. Graduated from Tufts University School of Medicine in 2016, 10 years ago. Practices with St Charles Health System Inc, a 383-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
10
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2016
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

2500 NE Neff Rd
Bend, OR 97701-6015
Phone: (541) 706-5800
Fax: (541) 706-5911
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 725 Albany St, Boston, MA 02118-2526 — (617) 414-5951

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 267532 (MA)

Record details

NPI number1295199404
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 13, 2016
Last updated in NPPESApril 7, 2026
Certification dateApril 7, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice St Charles Health System Inc — 383 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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