Maria Theresa Hamper, LICSW
Clinical Social Worker · Federal Way, WA
Maria Theresa Hamper, LICSW is a clinical social worker with a practice address in Federal Way, Washington, and NPI 1780368670, issued on Jun 12, 2023. Check the license (Washington LW61463809, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maria Theresa Hamper
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LW61463809 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3430 SW 320TH St Ste D2, Federal Way, WA 98023
- Phone
- (253) 289-6099
- Enumerated
- Jun 12, 2023
- Record last updated
- Apr 10, 2026
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Also registered at 3430 SW 320TH St Ste D2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Theresa Hamper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW61463809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Theresa Hamper among 6,382 clinical social worker records in Washington
Maria Theresa Hamper, LICSW is one of 6,382 clinical social worker records with a practice address in Washington. 9% 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 2023, is newer than 81% of them.
- NPI issued2023 · 81% of these records are older, 13% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2026 · 45% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 clinical social worker records list a practice address in Federal Way
They are 49 of the 2,770 NPPES records with a practice address in Federal Way, and 6,382 clinical social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,382 in Washington → Every provider in Federal Way → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Robyn Callahan, MSW, LICSWFederal Way, WA 980231184055824
- Samhar Daoud, LICSWAFederal Way, WA 980231750032579
- Amy DeckerFederal Way, WA 980231811454564
- Whitney Erickson, LICSWFederal Way, WA 980231902312986
- Kathleen Frishberg, LCSWFederal Way, WA 980231124161955
- Trisha Leonard, LICSWFederal Way, WA 980231174841571
- Bailey Meade, MSW, LICSWFederal Way, WA 980231760904825
- Azizza MussaFederal Way, WA 980231942799077
Common questions
What is Maria Theresa Hamper, LICSW's NPI number?
Maria Theresa Hamper, LICSW's National Provider Identifier (NPI) is 1780368670, issued on Jun 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maria Theresa Hamper, LICSW located?
The NPPES record lists a practice address at 3430 SW 320TH St Ste D2, Federal Way, WA, 98023. Phone: (253) 289-6099. Providers update this record themselves, so call before visiting.
How can I verify Maria Theresa Hamper, LICSW's license?
NPPES lists Washington license number LW61463809, as entered by the provider. Search the Washington 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.