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Diagnostic Radiology

Karen N. Lynn, MD

Works at hospitals in John Day, OR · Burns, OR · Bend, OR … · Oregon

Summary

Dr. Karen N. Lynn, MD is a radiologist at 1460 NE Medical Ctr Dr, Bend, OR 97701. Phone: (541) 382-6633. Accepts Medicare assignment. In 2024, Karen N. Lynn had 2,452 Original Medicare patients and 10,646 services. NPI 1912111519. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Karen N. Lynn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karen N. Lynn accept Medicare assignment?
Yes. Medicare's clinician data says Karen N. Lynn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Karen N. Lynn see?
In 2024, CMS data shows 2,452 Original Medicare patients and 10,646 services for Karen N. Lynn. This counts Original Medicare only and measures volume, not quality.
What is Karen N. Lynn's NPI number?
1912111519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Karen N. Lynn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients2,452
Services billed to Medicare10,646
Different services or procedures123
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, gadobutrol, 0.1 ml (A9585)3,350 services
  2. Screening mammography (77067)2,235 services
  3. Screening 3d breast mammography (77063)2,218 services
  4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)321 services
  5. Limited ultrasound scan of 1 breast (76642)243 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol71%
  • High blood pressure58%
  • Arthritis47%
  • Osteoporosis30%
  • Depression24%
  • Anxiety24%

Hospitals where Karen N. Lynn works

Medicare's Facility Affiliation Data lists Karen N. Lynn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Blue Mountain HospitalJohn Day, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381305
  • Harney District HospitalBurns, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381307
  • St Charles Medical Center - BendBend, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380047
  • St Charles Medical Center PrinevillePrineville, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381313
  • Wallowa Memorial HospitalEnterprise, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381306

Practice locations

Addresses where Karen N. Lynn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen N. Lynn as a member of these groups (CMS data updated October 2, 2026).

  • Bend Memorial Clinic PC221 clinicians in the group
  • Lake Health District56 clinicians in the group
  • Central Oregon Radiology Assoc PC45 clinicians in the group
  • Cascade Medical Imaging LLC42 clinicians in the group
  • Central Oregon Magnetic Resonance Imaging LLC36 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Oregon →

Other radiologists in Bend

Clinicians with the same Medicare primary specialty in Bend, OR — not a recommendation.

All radiologists in Bend →

Other clinicians in Bend Memorial Clinic PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912111519
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians