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DR. KAREN LANGER AXTEN M.D.
NPI 1295199404
Internal Medicine in Bend, OR

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment
86.2/100
CMS Quality Rating
2500 NE NEFF RD, BEND, OR 97701(541) 706-5800(541) 706-5911 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Karen Langer Axten M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KAREN LANGER AXTEN M.D. (NPI 1295199404) is an individual internal medicine provider in Bend, Oregon, licensed in Massachusetts (267532) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Wilcox Memorial Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1295199404
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KAREN LANGER AXTENCredential: M.D.
Location Address2500 NE NEFF RDBend, OR 97701-6015
Mailing Address725 Albany St, Shapiro 5 & 6 Boston Medical Center PiBoston, MA 02118-2526 · (617) 414-5951
Phone(541) 706-5800
Fax(541) 706-5911
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2016
Enumeration DateApril 13, 2016
Last NPPES UpdateApril 7, 2026
NPPES CertifiedApril 7, 2026
✔ NPI 1295199404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 267532
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2500 NE NEFF RD, Bend, OR 97701
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Secondary Practice Location 1

Location 1725 Albany St, Shapiro 5 & 6 Boston Medical Center PIBoston, MA 02118-2526 · Phone (617) 414-5951

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karen Langer Axten M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567757172
PECOS Enrollment IDI20221212002342, I20251209001972
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Karen Axten reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Charles Health System, Inc.
0.1 mi
Family Medicine
2500 NE NEFF RD
Bend, OR 97701
  • Reassigned Medicare billing, Oregon enrollment
  • 348 clinicians in this Medicare group
NPI 1023331303 (541) 382-4321
Straub Clinic & Hospital
2,612 mi
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 clinicians in this Medicare group
NPI 1457306508 (808) 522-4000
Pali Momi Medical Center
2,612 mi
Multi-Specialty
98-1079 MOANALUA RD
Aiea, HI 96701
  • Reassigned Medicare billing, Hawaii enrollment
  • 134 clinicians in this Medicare group
NPI 1275588329 (808) 486-6000
Kauai Medical Clinic
2,648 mi
Multi-Specialty
3-3420 KUHIO HWY, SUITE B
Lihue, HI 96766
  • Reassigned Medicare billing, Hawaii enrollment
  • 298 clinicians in this Medicare group
NPI 1376596643 (808) 245-1500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
296 services104 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
26 services26 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wilcox Memorial Hospital

Acute Care Hospitals · Lihue, HI
2/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number120014
Location3-3420 Kuhio HighwayLihue, HI 96766 · Kauai County
Emergency services Birthing friendly

Pali Momi Medical Center

Acute Care Hospitals · Aiea, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120026
Location98-1079 Moanalua RoadAiea, HI 96701 · Honolulu County
Emergency services

St Charles Medical Center - Bend

Acute Care Hospitals · Bend, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380047
Location2500 NE Neff RoadBend, OR 97701 · Deschutes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.25 typical visit price
range $54.96 – $166.64
Typical copayment $31.56 (range $13.74 – $41.66)
Most-billed visit code 99204
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.28
Promoting Interoperability100
Improvement Activities40
Cost73.72

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALANNA MOZENA MD
Internal Medicine
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
JAQUELINE L CAMPAGNA PT
Physical Therapist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
ASHLEY MARIE TWYMAN MD
Hospitalist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
NICOLE KOSMIDER
Anesthesiology
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (888) 333-1095
SAMANTHA MULLIS NNP
Nurse Practitioner (Neonatal, Critical Care)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
JEAN M BROWN PA-C
Physician Assistant
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 388-1636
BENJAMIN BRUNO BARSOTTI MD
Pediatrics
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
DR. NICHOLAS SONG BOEHLING M.D.
Radiology (Radiation Oncology)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-5800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Axten's NPI number?

The NPI number for Karen Axten is 1295199404. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is Karen Axten located?

Karen Axten practices at 2500 NE Neff Rd, Bend, OR 97701. The listed phone number is (541) 706-5800.

What is Karen Axten's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karen Axten enrolled in Medicare?

Yes. Karen Axten is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen Axten's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Axten reassigns Medicare benefits to 4 organizations: St. Charles Health System, Inc. (Bend, OR), Straub Clinic & Hospital (Honolulu, HI), Pali Momi Medical Center (Aiea, HI) and Kauai Medical Clinic (Lihue, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Axten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Axten accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Karen Axten as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Axten affiliated with any hospitals?

According to CMS data, Karen Axten is affiliated with Wilcox Memorial Hospital, Pali Momi Medical Center and St Charles Medical Center - Bend.

When was this NPI record last updated?

The NPPES record for Karen Axten was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.