April Lauer
Internal Medicine Physician · Sioux Falls, SD
April Lauer is an internal medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1861920027, issued on May 31, 2017. Check the license (South Dakota 12246, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- April Lauer
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 12246 SD
7926 NE
Self-reported in NPPES; status is on the state search - Practice location
- 1325 S Cliff Ave, Sioux Falls, SD 57105
- Phone
- (605) 322-7905
- Enumerated
- May 31, 2017
- Record last updated
- Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250312003756); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 1325 S Cliff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mishka Ahmed, MDHospitalist Physician1285367979
- Mohammad Ahmed, M.DInternal Medicine Physician1528417821
- Jordan Ahrens, OTR/LOccupational Therapist1295442028
Verify April Lauer 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 12246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Aspirus Iron River Hospital And Clinics IncIron River, MI
- Aspirus Ironwood Hospital And Clinics IncIronwood, MI
- Aspirus Medford Hospital And Clinics IncMedford, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
April Lauer among 247 internal medicine physician records in South Dakota
April Lauer 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2008 among the 146 with a school on file
- Record last updated2020 · 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.
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
- Paul Aspaas, M.D.Sioux Falls, SD 571051215932116
- Robert Behrend, MDSioux Falls, SD 571051578569000
- Emad Beshai, M.D.Sioux Falls, SD 571051528069598
- Allen Funk, M.D.Sioux Falls, SD 571051306841291
- Gregory Geise, MDSioux Falls, SD 571051144221938
- Timothy Hurley, M.D.Sioux Falls, SD 571051194720623
- Eric Larson, M.D.Sioux Falls, SD 571051134124019
- David Nelson, M.D.Sioux Falls, SD 571051538164066
Common questions
What is April Lauer's NPI number?
April Lauer's National Provider Identifier (NPI) is 1861920027, issued on May 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is April Lauer located?
The NPPES record lists a practice address at 1325 S Cliff Ave, Sioux Falls, SD, 57105. Phone: (605) 322-7905. Providers update this record themselves, so call before visiting.
How can I verify April Lauer's license?
NPPES lists South Dakota license number 12246, 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. 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.