Registry data as of Aug 27, 2026

Hendrik Klopper, MD

Neurological Surgery Physician · Dakota Dunes, SD

Hendrik Klopper, MD is a neurological surgery physician with a practice address in Dakota Dunes, South Dakota, and NPI 1942429394, issued on Apr 24, 2007. Check the license (South Dakota 8072, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942429394
Name
Hendrik Klopper
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
8072 SD
MD-43307 IA
30068 NE
Self-reported in NPPES; status is on the state search
Practice location
575 N Sioux Point RD, Dakota Dunes, SD 57049
Phone
(605) 217-2667
Enumerated
Apr 24, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 575 N Sioux Point RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tyson AllenSurgical Physician Assistant1053911123
  2. Aaron Althaus, MDOrthopaedic Surgery Physician1518195619
  3. Brittany Anderson, CNPFamily Nurse Practitioner1770969164
  4. Trisha Anderson, PA-CSurgical Physician Assistant1932734191
  5. Margaret Andriano-Hazel, PTPhysical Therapist1265128250
  6. Tiffany Becker, PTPhysical Therapist1699059246

Verify Hendrik Klopper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 8072
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

28% fewer Medicare Part D claims than the average neurological surgery physician in 2024

136 Medicare Part D claims for 76 beneficiaries, against an average of 189 among the 4,152 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 47 claims were for opioids.

  1. Hendrik Klopper136
  2. Specialty average189

Most prescribed

  1. Gabapentin31 claims
  2. Hydrocodone-Acetaminophen23 claims
  3. Levetiracetam22 claims
  4. Tramadol Hcl16 claims
  5. Cyclobenzaprine Hcl12 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.

Industry payments in 2024: $316.16

3 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 5,024 providers of this specialty with any payment received $15,526.12 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hendrik Klopper$316.16
  2. Specialty average$15,526.12

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospital and facility affiliations

  1. Faith Regional Health ServicesNorfolk, NE · Acute Care Hospitals3 of 5 stars
  2. Cnos PCNorfolk, NE
  3. Sports Rehab And Professional Therapy Associates IncStorm Lake, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 neurological surgery physician records list a Dakota Dunes practice address

They are 8 of the 326 NPPES records with a Dakota Dunes practice address, and 25 neurological surgery physician records in South Dakota.

Other neurological surgery physician records in South Dakota

  1. Nessim Amin, MDSioux Falls, SD1316369523
  2. Margaret Carmody, M.D.Sioux Falls, SD1346482890
  3. Luis Diaz-Aguilar, MDDakota Dunes, SD1306342555
  4. Quentin Durward, MDDakota Dunes, SD1457354383
  5. Mark Fox, MDSioux Falls, SD1750355236
  6. Troy Gust, M.D.Rapid City, SD1558585927
  7. Jorge Johnson, MDFort Meade, SD1841358371
  8. Matthew Johnson, MD, MPHDakota Dunes, SD1376688150
  9. Mark Monasky, MDRapid City, SD1467537217
  10. James Nabwangu, MDRapid City, SD1083700512

Common questions

What is Hendrik Klopper, MD's NPI number?

Hendrik Klopper, MD's National Provider Identifier (NPI) is 1942429394, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hendrik Klopper, MD located?

The NPPES record lists a practice address at 575 N Sioux Point RD, Dakota Dunes, SD, 57049. Phone: (605) 217-2667. Providers update this record themselves, so call before visiting.

How can I verify Hendrik Klopper, MD's license?

NPPES lists South Dakota license number 8072, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hendrik Klopper, MD prescribe under Medicare Part D?

In 2024, Hendrik Klopper, MD had 136 Medicare Part D claims for 76 beneficiaries; the average among neurological surgery physician prescribers was 189. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.