NPPES file of Aug 9, 2026

Jean Marie Lageson, MD

Internal Medicine Physician · Sioux Falls, SD

Jean Marie Lageson, MD is an internal medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1134172463, issued on May 18, 2006. Check the license (South Dakota 8445, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134172463
Name
Jean Marie Lageson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
8445 SD
27899 MN
Self-reported in NPPES; status is on the state search
Practice location
6100 S Louise Ave Ste 1120, Sioux Falls, SD 57108
Phone
(605) 504-1700
Enumerated
May 18, 2006
Record last updated
Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid IDs
846883400 MN
6007310 SD
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 6100 S Louise Ave Ste 1120

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

  1. Scott Beckstrand, MDInternal Medicine Physician1932173622
  2. Alissa Brummond, MDInternal Medicine Physician1336434737
  3. Neil Brummond, MDInternal Medicine Physician1295020618
  4. Aaron Burkhardt, DOInternal Medicine Physician1013322205
  5. Leonard Gutnik, M.D.Internal Medicine Physician1841265543
  6. Julie Jefferis-Woodis, CNPFamily Nurse Practitioner1083108245

Verify Jean Marie Lageson 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 8445
    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

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

57 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jean Lageson57
  2. Specialty average3,176

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.

Jean Marie Lageson among 247 internal medicine physician records in South Dakota

Jean Marie Lageson, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

110 internal medicine physician records list a practice address in Sioux Falls

They are 110 of the 6,563 NPPES records with a practice address in Sioux Falls, and 247 internal medicine physician records in South Dakota.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Scott Beckstrand, MDSioux Falls, SD 571081932173622
  2. Neil Brummond, MDSioux Falls, SD 571081295020618
  3. Alissa Brummond, MDSioux Falls, SD 571081336434737
  4. Aaron Burkhardt, DOSioux Falls, SD 571081013322205
  5. Leonard Gutnik, M.D.Sioux Falls, SD 571081841265543
  6. Lorraine Huet-Holm, MDSioux Falls, SD 571081609886308
  7. Nicholas Kaufman, M.D.Sioux Falls, SD 571081629497615
  8. Janell Powell, MDSioux Falls, SD 571081750309357

Common questions

What is Jean Marie Lageson, MD's NPI number?

Jean Marie Lageson, MD's National Provider Identifier (NPI) is 1134172463, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jean Marie Lageson, MD located?

The NPPES record lists a practice address at 6100 S Louise Ave Ste 1120, Sioux Falls, SD, 57108. Phone: (605) 504-1700. Providers update this record themselves, so call before visiting.

How can I verify Jean Marie Lageson, MD's license?

NPPES lists South Dakota license number 8445, 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 Jean Marie Lageson, MD prescribe under Medicare Part D?

In 2024, Jean Marie Lageson, MD had 57 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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.