Aaron Baker, PHD
Clinical Psychologist · Sioux City, IA
Aaron Baker, PHD is a clinical psychologist with a practice address in Sioux City, Iowa, and NPI 1104214154, issued on Dec 29, 2014. Check the license (Iowa 101471, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Baker
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- 101471 IA
076371 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1106 4TH St Ste 205, Sioux City, IA 51101
- Phone
- (712) 252-1473
- Enumerated
- Dec 29, 2014
- Record last updated
- May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 1104214154 IA
- Medicare enrollment
- Enrolled (PECOS I20230213001763); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1106 4TH St Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Henning, LISWSocial Worker1205486685
Verify Aaron Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 101471Check 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 one group practice
- Baker Psychology, PLCSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinical Psychologist providers in Iowa
There are 212 clinical psychologist records in Iowa.
Other clinical psychologist records in Iowa
- Jennifer Aakre, PH.D.Iowa City, IA1396042008
- Natalie Alsop, PHDMason City, IA1770691792
- Thomas Anderegg, PH.D.Dubuque, IA1518962646
- Alec Anderson, PSY.D, HSPPDubuque, IA1265881791
- Lindsey Andrew, PSY.D.Cedar Rapids, IA1598965527
- Joel Ashby, PSY.D.Johnston, IA1083917843
- Audrey BahrickIowa City, IA1659247153
- Kathryn Baker, PSY.D.Iowa City, IA1659717015
- Joseph Bardeen, PHDWest Des Moines, IA1760005904
- Patrick Barrett, PH.D.Fairfield, IA1407426133
Common questions
What is Aaron Baker, PHD's NPI number?
Aaron Baker, PHD's National Provider Identifier (NPI) is 1104214154, issued on Dec 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Baker, PHD located?
The NPPES record lists a practice address at 1106 4TH St Ste 205, Sioux City, IA, 51101. Phone: (712) 252-1473. Providers update this record themselves, so call before visiting.
How can I verify Aaron Baker, PHD's license?
NPPES lists Iowa license number 101471, as entered by the provider. 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. 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.