Registry data as of Aug 27, 2026

Jon Grudem, MD

Neurology Physician · North Sioux City, SD

Jon Grudem, MD is a neurology physician with a practice address in North Sioux City, South Dakota, and NPI 1477649531, issued on Oct 5, 2006. Check the license (South Dakota 7354, 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
1477649531
Name
Jon Grudem
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
7354 SD
38576 IA
Self-reported in NPPES; status is on the state search
Practice location
575 N Sioux Point RD, North Sioux City, SD 57049
Phone
(605) 217-2667
Enumerated
Oct 5, 2006
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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Verify Jon Grudem 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 7354
    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.

79% fewer Medicare Part D claims than the average neurology physician in 2024

286 Medicare Part D claims for 79 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Jon Grudem286
  2. Specialty average1,356

Most prescribed

  1. Carbidopa-Levodopa40 claims
  2. Nurtec Odt33 claims
  3. Ubrelvy28 claims
  4. Gabapentin22 claims
  5. Botox21 claims
  6. Levetiracetam17 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: $40,522.86

63 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 9,995 providers of this specialty with any payment received $8,603.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Grudem$40,522.86
  2. Specialty average$8,603.82

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

2 hospital and facility affiliations

  1. Cnos PCSioux City, IA
  2. 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.

1 neurology physician records list a North Sioux City practice address

They are 1 of the 27 NPPES records with a North Sioux City practice address, and 48 neurology physician records in South Dakota.

Other neurology physician records in South Dakota

  1. William Andrews, MDYankton, SD1649487588
  2. Arsalan Anwar, M.D.Sioux Falls, SD1760001838
  3. Michael Bergan, M.D.Sioux Falls, SD1487888012
  4. Jeffrey Boyle, MD/PHDSioux Falls, SD1326273681
  5. Douglas Brown, MDRapid City, SD1063591857
  6. James Case, MDDakota Dunes, SD1992708853
  7. Heather Cwach, MDRapid City, SD1255481420
  8. Santiago Diaz GonzalezSioux Falls, SD1619545993
  9. Mehwish FarooqiSioux Falls, SD1982199303
  10. Efrat Feldman, M.DSioux Falls, SD1821303959

Common questions

What is Jon Grudem, MD's NPI number?

Jon Grudem, MD's National Provider Identifier (NPI) is 1477649531, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jon Grudem, MD located?

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

How can I verify Jon Grudem, MD's license?

NPPES lists South Dakota license number 7354, 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 Jon Grudem, MD prescribe under Medicare Part D?

In 2024, Jon Grudem, MD had 286 Medicare Part D claims for 79 beneficiaries; the average among neurology physician prescribers was 1,356. 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.