J Austin Williamson, PH.D.
Clinical Psychologist · Davenport, IA
J Austin Williamson, PH.D. is a clinical psychologist with a practice address in Davenport, Iowa, and NPI 1649711052, issued on Mar 17, 2017. Check the license (Iowa 079307, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- J Austin Williamson
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 079307 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2102 E 38TH St, Davenport, IA 52807
- Phone
- (563) 359-4049
- Enumerated
- Mar 17, 2017
- Record last updated
- Mar 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180219000298); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 212 in Iowa → Look up another NPI →
Also registered at 2102 E 38TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jolene Atkinson, MSWClinical Social Worker1326093725
- Maria Correa-Kaiser, PH.D.Psychologist1477563252
- Joseph Cress, PHDPsychologist1669458063
- Charles Hayes, PH.D.Clinical Psychologist1619984358
- Mary Hughes-Paulline, LISWClinical Social Worker1689649063
- Julie Jenks Kettmann, M.ED.Professional Counselor1629102280
Verify J Austin Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 079307Check 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
- Psychology Health GroupDavenport, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
J Austin Williamson among 212 clinical psychologist records in Iowa
J Austin Williamson, PH.D. is one of 212 clinical psychologist records with a practice address in Iowa. 20% 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 86% of them.
- NPI issued2017 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2015 · median 2003 among the 57 with a school on file
- Record last updated2017 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Iowa
There are 212 clinical psychologist records in Iowa.
All 212 in Iowa → Every provider in Davenport → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Casey Fields, PSYDDavenport, IA 528071427464817
- Charles Hayes, PH.D.Davenport, IA 528071619984358
- Julia Marmion, PH.D.Davenport, IA 528071316182793
- Stanley Smith, PH.D.Davenport, IA 528071639183478
- Crist Stevenson, PH.D.Davenport, IA 528071346476082
- Melissa StrombergerDavenport, IA 528071750760252
- Rhonda Callison, PH.D.Davenport, IA 528041851434930
- Michael Loescher, PH.D.Davenport, IA 528041396870853
Common questions
What is J Austin Williamson, PH.D.'s NPI number?
J Austin Williamson, PH.D.'s National Provider Identifier (NPI) is 1649711052, issued on Mar 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is J Austin Williamson, PH.D. located?
The NPPES record lists a practice address at 2102 E 38TH St, Davenport, IA, 52807. Phone: (563) 359-4049. Providers update this record themselves, so call before visiting.
How can I verify J Austin Williamson, PH.D.'s license?
NPPES lists Iowa license number 079307, 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.