NPPES file of Aug 9, 2026

Paul K. Aspaas, M.D.

Internal Medicine Physician · Sioux Falls, SD

Paul K. Aspaas, M.D. is an internal medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1215932116, issued on Jun 16, 2005. Check the license (South Dakota 2056, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1215932116
Name
Paul K. Aspaas
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2056 SD
Self-reported in NPPES; status is on the state search
Practice location
1305 W 18TH St, Sioux Falls, SD 57105
Phone
(605) 333-6571
Enumerated
Jun 16, 2005
Record last updated
Dec 14, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(605) 333-6951
Medicaid ID
6000446 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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8 nearest internal medicine physician records → All 247 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.

  1. Beth AbrahamsonNeonatal Nurse Practitioner1013047380
  2. Unknown AbubakarStudent in an Organized Health Care Education/Training Program1235020959
  3. Mamoon AhmedHospitalist Physician1679184360
  4. Sameer Ahmed, MDHospitalist Physician1619549292
  5. Swetha Alapati, MDHospitalist Physician1982051421
  6. Joseph Alex, MDEmergency Medicine Physician1407484819

Verify Paul K. Aspaas 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 2056    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.

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Paul K. Aspaas among 247 internal medicine physician records in South Dakota

Paul K. Aspaas, M.D. 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 247 in South Dakota → Every provider in Sioux Falls → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Behrend, MDSioux Falls, SD 571051578569000
  2. Emad Beshai, M.D.Sioux Falls, SD 571051528069598
  3. Allen Funk, M.D.Sioux Falls, SD 571051306841291
  4. Gregory Geise, MDSioux Falls, SD 571051144221938
  5. Timothy Hurley, M.D.Sioux Falls, SD 571051194720623
  6. Eric Larson, M.D.Sioux Falls, SD 571051134124019
  7. David Nelson, M.D.Sioux Falls, SD 571051538164066
  8. Charles O'Brien, M.D.Sioux Falls, SD 571051124023171

Common questions

What is Paul K. Aspaas, M.D.'s NPI number?

Paul K. Aspaas, M.D.'s National Provider Identifier (NPI) is 1215932116, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Paul K. Aspaas, M.D. located?

The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 333-6571. Providers update this record themselves, so call before visiting.

How can I verify Paul K. Aspaas, M.D.'s license?

NPPES lists South Dakota license number 2056, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.