Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Justin D. Klaassen, DO

Works at hospitals in Concordia, KS · Lindsborg, KS · Abilene, KS … · Kansas

Summary

Dr. Justin D. Klaassen, DO is a general surgeon at 1100 Highland Dr, Concordia, KS 66901. Phone: (785) 452-7245. Accepts Medicare assignment. In 2024, Justin D. Klaassen had 332 Original Medicare patients and 1,044 services. NPI 1811154230. 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 Justin D. Klaassen, 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 Justin D. Klaassen accept Medicare assignment?
Yes. Medicare's clinician data says Justin D. Klaassen 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 Justin D. Klaassen see?
In 2024, CMS data shows 332 Original Medicare patients and 1,044 services for Justin D. Klaassen. This counts Original Medicare only and measures volume, not quality.
What is Justin D. Klaassen's NPI number?
1811154230. 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 Justin D. Klaassen, 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 patients332
Services billed to Medicare1,044
Different services or procedures152
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)106 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)99 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)90 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)47 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)45 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 blood pressure75%
  • High cholesterol75%
  • Arthritis50%
  • Diabetes33%
  • Depression27%
  • Anxiety24%

Hospitals where Justin D. Klaassen works

Medicare's Facility Affiliation Data lists Justin D. Klaassen 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.

  • Cloud County Health CenterConcordia, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171349
  • Lindsborg Community HospitalLindsborg, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171358
  • Memorial HospitalAbilene, KS · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 171381
  • Ottawa County Health CenterMinneapolis, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171328
  • Salina Regional Health CenterSalina, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170012

Practice locations

Addresses where Justin D. Klaassen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin D. Klaassen as a member of this group (CMS data updated October 2, 2026).

  • Salina Regional Health Center Inc160 clinicians in the group

Specialties

Find other General Surgery doctors in Kansas →

Other general surgeons in Kansas

Clinicians with the same Medicare primary specialty in Kansas — not a recommendation.

All general surgeons in Kansas →

Other clinicians in Salina Regional Health Center Inc

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

Clinician information

CredentialDO
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811154230
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