Claudia Mast, LMSW
Clinical Social Worker · Fairfield, IA
Claudia Mast, LMSW is a clinical social worker with a practice address in Fairfield, Iowa, and NPI 1194296905, issued on Dec 6, 2018. Check the license (Iowa 008140, 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
- Claudia Mast
- Credential
- LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 008140 IA
Self-reported in NPPES; status is on the state search - Practice location
- 301 W Burlington, Fairfield, IA 52556
- Phone
- (641) 472-5771
- Enumerated
- Dec 6, 2018
- Record last updated
- May 19, 2026
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 2,170 in Iowa → Look up another NPI →
Also registered at 301 W Burlington
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Liptak, LISWClinical Social Worker1013099985
- Suzanna Mullenneaux, LMHCMental Health Counselor1134215197
Verify Claudia Mast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 008140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Claudia Mast among 2,170 clinical social worker records in Iowa
Claudia Mast, LMSW 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 2018, is newer than 59% of them.
- NPI issued2018 · 59% of these records are older, 38% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2026 · 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).
13 clinical social worker records list a practice address in Fairfield
They are 13 of the 178 NPPES records with a practice address in Fairfield, 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 Fairfield → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Samantha Agan, LISWFairfield, IA 525561598210114
- Lacey Brooks, LISWFairfield, IA 525561174166342
- Christine England, LISWFairfield, IA 525561235242132
- Marjorie Gerber, LISWFairfield, IA 525561427067891
- Kristin Helm, LISWFairfield, IA 525561962655720
- Tracy Liptak, LISWFairfield, IA 525561013099985
- Celeste Neff, LMSWFairfield, IA 525561295401966
- Stephen Prettyman, LISWFairfield, IA 525561417077264
Common questions
What is Claudia Mast, LMSW's NPI number?
Claudia Mast, LMSW's National Provider Identifier (NPI) is 1194296905, issued on Dec 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Mast, LMSW located?
The NPPES record lists a practice address at 301 W Burlington, Fairfield, IA, 52556. Phone: (641) 472-5771. Providers update this record themselves, so call before visiting.
How can I verify Claudia Mast, LMSW's license?
NPPES lists Iowa license number 008140, 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.