John Austin Simonson, M.D.
Hospitalist Physician · Sioux Falls, SD
John Austin Simonson, M.D. is a hospitalist physician with a practice address in Sioux Falls, South Dakota, and NPI 1598184921, issued on Apr 14, 2014. Check the license (South Dakota 0184, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- John Austin Simonson
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 0184 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1305 W 18TH St, Sioux Falls, SD 57105
- Phone
- (605) 328-4973
- Enumerated
- Apr 14, 2014
- Record last updated
- Aug 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170826000450); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2014
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 99 in South Dakota → Look up another NPI →
Also registered at 1305 W 18TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth AbrahamsonNeonatal Nurse Practitioner1013047380
- Unknown AbubakarStudent in an Organized Health Care Education/Training Program1235020959
- Mamoon AhmedHospitalist Physician1679184360
- Sameer Ahmed, MDHospitalist Physician1619549292
- Swetha Alapati, MDHospitalist Physician1982051421
- Joseph Alex, MDEmergency Medicine Physician1407484819
Verify John Austin Simonson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 0184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hospitalist physician in 2024
132 Medicare Part D claims for 66 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 12 claims were for opioids.
Most prescribed
- Omeprazole13 claims
- Prednisone13 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.
Bills Medicare through one group practice
- Sanford ClinicSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Austin Simonson among 99 hospitalist physician records in South Dakota
John Austin Simonson, M.D. is one of 99 hospitalist physician records with a practice address in South Dakota. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 55% of them.
- NPI issued2014 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2014 · median 2012 among the 75 with a school on file
- Record last updated2018 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 hospitalist physician records list a practice address in Sioux Falls
They are 80 of the 6,563 NPPES records with a practice address in Sioux Falls, and 99 hospitalist physician records in South Dakota.
All 99 in South Dakota → Every provider in Sioux Falls → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Marc Capitano, MDSioux Falls, SD 571051285612978
- Jeremy Cauwels, MDSioux Falls, SD 571051942243100
- Kristopher Gage, DC, MDSioux Falls, SD 571051689848046
- Jennifer Greco, M.D.Sioux Falls, SD 571051104808104
- Jeffrey Heier, MDSioux Falls, SD 571051760437222
- Scott Huckins, M.D.Sioux Falls, SD 571051508068305
- Randall Lamfers, M.D.Sioux Falls, SD 571051831157106
- Jennifer McKay, M.D.Sioux Falls, SD 571051407891716
Common questions
What is John Austin Simonson, M.D.'s NPI number?
John Austin Simonson, M.D.'s National Provider Identifier (NPI) is 1598184921, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Austin Simonson, M.D. located?
The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 328-4973. Providers update this record themselves, so call before visiting.
How can I verify John Austin Simonson, M.D.'s license?
NPPES lists South Dakota license number 0184, 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 John Austin Simonson, M.D. prescribe under Medicare Part D?
In 2024, John Austin Simonson, M.D. had 132 Medicare Part D claims for 66 beneficiaries; the average among hospitalist physician prescribers was 521. 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.