Margaret M. Hammes, MSW LISW
Clinical Social Worker · Decorah, IA
Margaret M. Hammes, MSW LISW is a clinical social worker with a practice address in Decorah, Iowa, and NPI 1144497405, issued on May 14, 2008. Check the license (Iowa 007383, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret M. Hammes
- Credential
- MSW LISW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 007383 IA
11031-123 WI
Self-reported in NPPES; status is on the state search - Practice location
- 314 W. Main St., Decorah, IA 52101
- Phone
- (563) 387-7433
- Enumerated
- May 14, 2008
- Record last updated
- Jan 22, 2025
- Medicaid ID
- 43584800 WI
- Medicare enrollment
- Enrolled (PECOS I20230426001294); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 2,170 in Iowa → Look up another NPI →
Verify Margaret M. Hammes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 007383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret M. Hammes among 2,170 clinical social worker records in Iowa
Margaret M. Hammes, MSW LISW 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 not. Its NPI, issued in 2008, is newer than 25% of them.
- NPI issued2008 · 25% of these records are older, 72% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated1999 · median 2011 among the 528 with a school on file
- Record last updated2025 · 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).
20 clinical social worker records list a practice address in Decorah
They are 20 of the 282 NPPES records with a practice address in Decorah, and 2,170 clinical social worker records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,170 in Iowa → Every provider in Decorah → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- William Deutsch, LMSWDecorah, IA 521011609179787
- Trevor DismoreDecorah, IA 521011891144119
- Theresa Fullhart, MSWDecorah, IA 521011780634196
- Stephanie Garcia-Prats, LMSWDecorah, IA 521011316195167
- Carol Hagen, MSW, LISWDecorah, IA 521011659432961
- Lynette Howe, LISWDubuque, IA 521011972582864
- Cynthia Peterson, MA, LISWDecorah, IA 521011609937093
- Connie Popenhagen, MSW, LISW, ACADCDecorah, IA 521011669662854
Common questions
What is Margaret M. Hammes, MSW LISW's NPI number?
Margaret M. Hammes, MSW LISW's National Provider Identifier (NPI) is 1144497405, issued on May 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Hammes, MSW LISW located?
The NPPES record lists a practice address at 314 W. Main St., Decorah, IA, 52101. Phone: (563) 387-7433. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Hammes, MSW LISW's license?
NPPES lists Iowa license number 007383, 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. 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.