NPPES file of Aug 9, 2026

Joseph Don Liewer, M.D.

Emergency Medicine Physician · Sioux City, IA

Joseph Don Liewer, M.D. is an emergency medicine physician with a practice address in Sioux City, Iowa, and NPI 1447296140, issued on Jun 21, 2006. Check the license (Iowa 30598, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447296140
Name
Joseph Don Liewer
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
30598 IA
Self-reported in NPPES; status is on the state search
Practice location
801 5TH St, Sioux City, IA 51101
Phone
(712) 279-2010
Enumerated
Jun 21, 2006
Record last updated
Jul 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid IDs
1133256 IA
7701130 SD
Medicare enrollment
Enrolled (PECOS I20040728000270); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 801 5TH St

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

  1. Ahmed AbdulrahmanHospitalist Physician1972252856
  2. Monsurat AdelekePsychiatric/Mental Health Nurse Practitioner1669308433
  3. Ali Aljuhani, LMSWClinical Social Worker1366918062
  4. Ashley Anderson, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881499242
  5. Peter Anderson, M.D.Internal Medicine Physician1114967858
  6. Sydney Backstrom, PHARMDPharmacist1407713357

Verify Joseph Don Liewer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 30598
    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 Iowa 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

43% fewer Medicare Part D claims than the average emergency medicine physician in 2024

129 Medicare Part D claims for 69 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Joseph Liewer129
  2. Specialty average226

Most prescribed

  1. Cephalexin17 claims
  2. Hydrocodone-Acetaminophen16 claims
  3. Acamprosate Calcium13 claims
  4. Prednisone13 claims
  5. Amlodipine Besylate12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.8
  2. Costout of 100 · 30%63.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

2 hospitals and group practices

  1. Hawarden Regional HealthcareHawarden, IA · Critical Access Hospitals
  2. Woodbury Emergency Group, PCSioux City, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Joseph Don Liewer among 509 emergency medicine physician records in Iowa

Joseph Don Liewer, M.D. is one of 509 emergency medicine physician records with a practice address in Iowa. 74% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 59% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1992 · median 2012 among the 231 with a school on file
  • Record last updated2019 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 emergency medicine physician records list a practice address in Sioux City

They are 18 of the 1,486 NPPES records with a practice address in Sioux City, and 509 emergency medicine physician records in Iowa.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Thomas Benzoni, DOSioux City, IA 511011245231448
  2. Travis Brownell, M.D.Sioux City, IA 511011225014269
  3. Zean Chen, MDSioux City, IA 511011871090670
  4. Johnathan Colling, M.D.Sioux City, IA 511011598788416
  5. Anthony Galloway, MDSioux City, IA 511011295766871
  6. Glen Harden, M.D.Sioux City, IA 511011962438929
  7. Scott Murray, MDSioux City, IA 511011457435760
  8. Paul Neskow, MDSioux City, IA 511011366488959

Common questions

What is Joseph Don Liewer, M.D.'s NPI number?

Joseph Don Liewer, M.D.'s National Provider Identifier (NPI) is 1447296140, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Don Liewer, M.D. located?

The NPPES record lists a practice address at 801 5TH St, Sioux City, IA, 51101. Phone: (712) 279-2010. Providers update this record themselves, so call before visiting.

How can I verify Joseph Don Liewer, M.D.'s license?

NPPES lists Iowa license number 30598, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Don Liewer, M.D. prescribe under Medicare Part D?

In 2024, Joseph Don Liewer, M.D. had 129 Medicare Part D claims for 69 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Joseph Don Liewer, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.