NPPES file of Aug 9, 2026

Marnix A. Verhofste, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Des Moines, IA

Marnix A. Verhofste, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Des Moines, Iowa, and NPI 1821070657, issued on Nov 17, 2005. Check the license (Iowa 31865, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821070657
Name
Marnix A. Verhofste
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
31865 IA
Self-reported in NPPES; status is on the state search
Practice location
411 Laurel St, Des Moines, IA 50314
Phone
(515) 235-5000
Enumerated
Nov 17, 2005
Record last updated
Feb 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(515) 288-6713
Medicaid ID
2166736 IA
Medicare enrollment
Enrolled (PECOS I20091002000020); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 53 in Iowa → Look up another NPI →

Also registered at 411 Laurel St

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

  1. Johan Aerts, D.O.Surgery Physician1962683243
  2. Robert Albin, CRNACertified Registered Nurse Anesthetist1164542502
  3. Mohammed Aldosari, M.D.Pediatrics Physician1255690293
  4. Caleb Anderson, AGACNP-BCAcute Care Nurse Practitioner1902218324
  5. Martin Aronow, D.O.Interventional Cardiology Physician1497737282
  6. Brandon BarnhartCertified Registered Nurse Anesthetist1760067839

Verify Marnix A. Verhofste in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 31865    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 Iowa license search

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67% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

33 Medicare Part D claims for 12 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. Marnix Verhofste33
  2. Specialty average101

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: $24.81

1 payment: food and beverage; the largest payer was Stryker Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marnix Verhofste$24.81
  2. Specialty average$7,828.84

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

Bills Medicare through one group practice

  1. Catholic Health Initiatives-Iowa CorpAmes, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marnix A. Verhofste among 53 thoracic surgery (cardiothoracic vascular surgery) physician records in Iowa

Marnix A. Verhofste, M.D. is one of 53 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Iowa. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 79% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1986 · median 2000 among the 30 with a school on file
  • Record last updated2016 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Iowa

There are 53 thoracic surgery (cardiothoracic vascular surgery) physician records in Iowa.

All 53 in Iowa → Every provider in Des Moines → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Ali Al Ameri, MDDes Moines, IA 503141558700450
  2. Hashim Hanif, MDDes Moines, IA 503141043652209
  3. Tayyaba Malik, MDDes Moines, IA 503141215389234
  4. Ganga Prabhakar, M.D.Des Moines, IA 503141023109444
  5. Robert Gallegos, M.D., PH.DDes Moines, IA 503091205870805
  6. Bethany Harpole, M.D.Des Moines, IA 503091891175733
  7. Bart Jenson, M.D.Des Moines, IA 503091376525006
  8. Mark Mankins, M.D.Des Moines, IA 503091710271549

Common questions

What is Marnix A. Verhofste, M.D.'s NPI number?

Marnix A. Verhofste, M.D.'s National Provider Identifier (NPI) is 1821070657, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marnix A. Verhofste, M.D. located?

The NPPES record lists a practice address at 411 Laurel St, Des Moines, IA, 50314. Phone: (515) 235-5000. Providers update this record themselves, so call before visiting.

How can I verify Marnix A. Verhofste, M.D.'s license?

NPPES lists Iowa license number 31865, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marnix A. Verhofste, M.D. prescribe under Medicare Part D?

In 2024, Marnix A. Verhofste, M.D. had 33 Medicare Part D claims for 12 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.