William James Tjeerdsma
Social Worker · Sioux City, IA
William James Tjeerdsma is a social worker with a practice address in Sioux City, Iowa, and NPI 1306604962, issued on Mar 8, 2024. Check the license with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William James Tjeerdsma
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 625 Court St, Sioux City, IA 51101
- Phone
- (712) 252-3871
- Enumerated
- Mar 8, 2024
- Record last updated
- Mar 8, 2024
- Fax
- (877) 728-4419
- Entity
- Type 1 · individual
Also registered at 625 Court St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nesrin Abu Ata, M.D.Psychiatry Physician1528297660
- Kendra Armistead, LMSWSocial Worker1285313726
- Jon Beringer, LMSWSocial Worker1780091934
- Travis Bowers, MAClinical Social Worker1699140681
- Ronald Brinck, M.D.Psychiatry Physician1457315285
- Kemi Brown, LMSWSocial Worker1366272353
Verify William James Tjeerdsma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43 social worker records list a practice address in Sioux City
They are 43 of the 1,486 NPPES records with a practice address in Sioux City, and 1,157 social worker records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 43 in Sioux City → All 1,157 in Iowa → Every provider in Sioux City →
Other social worker records in Iowa
- Marshall Abbe, LISWWest Des Moines, IA1023581451
- Amy Abels, MSWMason City, IA1447644463
- Melanie Acklin, LISWWest Des Moines, IA1538265525
- Samantha AdamsDavenport, IA1528665494
- Kaylea Adkins, LMSWOttumwa, IA1992559371
- Rebekah Adolphson, LMSWCedar Rapids, IA1255106241
- Arusha Afzal, LMSWWaverly, IA1336832435
- Julieta Aguilera-PerezMarshalltown, IA1932073244
- Josie Aguiniga, LMSWLe Mars, IA1043997422
- Brandon Akes, LISWAnkeny, IA1912579269
Common questions
What is William James Tjeerdsma's NPI number?
William James Tjeerdsma's National Provider Identifier (NPI) is 1306604962, issued on Mar 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is William James Tjeerdsma located?
The NPPES record lists a practice address at 625 Court St, Sioux City, IA, 51101. Phone: (712) 252-3871. Providers update this record themselves, so call before visiting.
How can I verify William James Tjeerdsma's license?
Search the Iowa board that licenses this profession; the NPPES record confirms identity 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. 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.