Karen Langer Axten, M.D.
Internal Medicine Physician · Bend, OR
Karen Langer Axten, M.D. is an internal medicine physician with a practice address in Bend, Oregon, and NPI 1295199404, issued on Apr 13, 2016. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Langer Axten
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 267532 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 NE Neff RD, Bend, OR 97701
- Phone
- (541) 706-5800
- Enumerated
- Apr 13, 2016
- Record last updated
- Apr 7, 2026
- Fax
- (541) 706-5911
- Medicare enrollment
- Enrolled (PECOS I20251209001972); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 2500 NE Neff RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Absalon, MDSpecialist1225003833
- Hugh Adair, D.O.Cardiovascular Disease Physician1700866746
- Kylee AdamekPhysician Assistant1326720186
- Laura Adams, L.AC.Internal Medicine Physician1952553745
- Tony Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1497098602
Verify Karen Langer Axten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
892 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Letrozole362 claims
- Tamoxifen Citrate64 claims
- Verzenio64 claims
- Alendronate Sodium58 claims
- Ibrance40 claims
- Kisqali30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
4 hospitals and group practices
- Pali Momi Medical CenterAiea, HI · Acute Care Hospitals4 of 5 stars
- Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars
- Kauai Medical ClinicLihue, HI
- St Charles Health System IncBend, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karen Langer Axten among 2,116 internal medicine physician records in Oregon
Karen Langer Axten, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 internal medicine physician records list a practice address in Bend
They are 97 of the 5,313 NPPES records with a practice address in Bend, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Bend → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Corso, M.D.Bend, OR 977011487624409
- Jeffrey Davis, MDBend, OR 977011942205752
- David Donnelly, M.D.Bend, OR 977011952355828
- Benjamin England, M.D.Bend, OR 977011114916186
- Christina Ford, MDBend, OR 977011528057593
- Gary Hood, MDBend, OR 977011316942709
- Robin Lannan, M.D.Bend, OR 977011467401273
- Lisa Lewis, M.D.Bend, OR 977011962486621
Common questions
What is Karen Langer Axten, M.D.'s NPI number?
Karen Langer Axten, M.D.'s National Provider Identifier (NPI) is 1295199404, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Karen Langer Axten, M.D. located?
The NPPES record lists a practice address at 2500 NE Neff RD, Bend, OR, 97701. Phone: (541) 706-5800. Providers update this record themselves, so call before visiting.
How can I verify Karen Langer Axten, M.D.'s license?
Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Langer Axten, M.D. prescribe under Medicare Part D?
In 2024, Karen Langer Axten, M.D. had 892 Medicare Part D claims for 171 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karen Langer Axten, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.