Joseph Matthew Nixon
Clinical Social Worker · Des Moines, IA
Joseph Matthew Nixon is a clinical social worker with a practice address in Des Moines, Iowa, and NPI 1811336845, issued on Jun 24, 2013. Check the license (Iowa 008221, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Matthew Nixon
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 008221 IA
Self-reported in NPPES; status is on the state search - Practice location
- 600 42ND St, Des Moines, IA 50312
- Phone
- (515) 255-8399
- Enumerated
- Jun 24, 2013
- Record last updated
- Jun 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170725003596); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 2,170 in Iowa → Look up another NPI →
Also registered at 600 42ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Brenniman, TLMHCMental Health Counselor1790279487
- Andrew Dentzau, LMHCMental Health Counselor1942984745
- Ariel DupeyMental Health Counselor1477309623
- Hannah Flanegin, LISWClinical Social Worker1215509062
- Stephanie Fuller, LMSWClinical Social Worker1114389913
- Jennifer Gilmore, LMSW, BCBAMental Health Counselor1417412891
Verify Joseph Matthew Nixon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 008221Check 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
- Stepping Stone Family Services IncWest Des Moines, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Matthew Nixon among 2,170 clinical social worker records in Iowa
Joseph Matthew Nixon is one of 2,170 clinical social worker records with a practice address in Iowa. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 40% of them.
- NPI issued2013 · 40% of these records are older, 56% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2013 · median 2011 among the 528 with a school on file
- Record last updated2013 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
434 clinical social worker records list a practice address in Des Moines
They are 434 of the 5,538 NPPES records with a practice address in Des Moines, and 2,170 clinical social worker records in Iowa.
All 2,170 in Iowa → Every provider in Des Moines → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Kirk Bragg, L.I.S.W.Des Moines, IA 503121295909612
- Lois Braverman, MSWDes Moines, IA 503121093783185
- Charles Brown, L.I.S.W.Des Moines, IA 503121932373354
- Susan Helkenn, LISWDes Moines, IA 503121417038795
- Mark Hillenbrand, LISWDes Moines, IA 503121851629620
- Susan Houts, LISWDes Moines, IA 503121861403099
- Richard Joens, L.I.S.W.Des Moines, IA 503121225027238
- Rachel Lomen, LISWDes Moines, IA 503121851304075
Common questions
What is Joseph Matthew Nixon's NPI number?
Joseph Matthew Nixon's National Provider Identifier (NPI) is 1811336845, issued on Jun 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Matthew Nixon located?
The NPPES record lists a practice address at 600 42ND St, Des Moines, IA, 50312. Phone: (515) 255-8399. Providers update this record themselves, so call before visiting.
How can I verify Joseph Matthew Nixon's license?
NPPES lists Iowa license number 008221, 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.