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Neurosurgery

Hendrik B. Klopper, MD

Works at hospitals in Onawa, IA · Cherokee, IA · Dakota Dunes, SD … · Iowa, South Dakota, Nebraska

Summary

Dr. Hendrik B. Klopper, MD is a neurosurgeon at 2501 Lakeridge Dr, Norfolk, NE 68701. Phone: (605) 217-2667. May accept Medicare assignment. In 2024, Hendrik B. Klopper had 289 Original Medicare patients and 650 services. NPI 1942429394. 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.

  • Specialty: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 2501 Lakeridge Dr, Norfolk, NE 68701 · Directions (5 more locations)
  • Phone: (605) 217‑2667
  • Medicare: May accept Medicare assignment
  • Hospitals: Burgess Health Center, Cherokee Regional Medical Center, Dunes Surgical Hospital and 2 more
  • Group practice: Sports Rehab and Professional Therapy Associates Inc (+2 more)
  • Medical school: Sanford School Of Medicine Of University Of South Dakota · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Hendrik B. Klopper, 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 Hendrik B. Klopper accept Medicare assignment?
Medicare's clinician data says Hendrik B. Klopper may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Hendrik B. Klopper see?
In 2024, CMS data shows 289 Original Medicare patients and 650 services for Hendrik B. Klopper. This counts Original Medicare only and measures volume, not quality.
What is Hendrik B. Klopper's NPI number?
1942429394. 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 Hendrik B. Klopper, 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 patients289
Services billed to Medicare650
Different services or procedures76
Participating Medicare providerYes
Average age of these patients73

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)152 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)64 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)61 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)36 services
  5. Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)28 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 cholesterol73%
  • Arthritis71%
  • Diabetes31%
  • Depression28%
  • Anxiety28%

Hospitals where Hendrik B. Klopper works

Medicare's Facility Affiliation Data lists Hendrik B. Klopper 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.

Practice locations

Addresses where Hendrik B. Klopper is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Hendrik B. Klopper as a member of these groups (CMS data updated October 2, 2026).

  • Sports Rehab and Professional Therapy Associates Inc132 clinicians in the group
  • Cnos PC99 clinicians in the group
  • Faith Regional Health Services20 clinicians in the group

Specialties

Find other Neurosurgery doctors in Nebraska →

Other neurosurgeons in Nebraska

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

All neurosurgeons in Nebraska →

Other clinicians in Sports Rehab and Professional Therapy Associates Inc

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

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1942429394
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