Hermine Rubenstein, MSW
Clinical Social Worker · Mercer Island, WA
Hermine Rubenstein, MSW is a clinical social worker with a practice address in Mercer Island, Washington, and NPI 1720170129, issued on Sep 30, 2006. Check the license (Washington LW00005072, 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
- Hermine Rubenstein
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LW00005072 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9311 SE 36TH St, Mercer Island, WA 98040
- Phone
- (206) 236-0707
- Enumerated
- Sep 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Verify Hermine Rubenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW00005072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hermine Rubenstein among 6,382 clinical social worker records in Washington
Hermine Rubenstein, MSW 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 90% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2007 · 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).
12 clinical social worker records list a practice address in Mercer Island
They are 12 of the 331 NPPES records with a practice address in Mercer Island, 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 Mercer Island → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Melissa Benaroya, LICSWMercer Island, WA 980401457976359
- Katherine Crouch, LCSWMercer Island, WA 980401801384862
- Tam Dinh, PH.D, LICSWMercer Island, WA 980401104446541
- Ron Feinberg, MSW, LICSWMercer Island, WA 980401861516825
- Liat Feinberg, LICSWMercer Island, WA 980401467731000
- Kara Hawthorne, LCSW, LICSWMercer Island, WA 980401750252532
- Carla Hershman, LICSWMercer Island, WA 980401871990135
- Kaya O'Connor, MSW, LICSWMercer Island, WA 980401346797172
Common questions
What is Hermine Rubenstein, MSW's NPI number?
Hermine Rubenstein, MSW's National Provider Identifier (NPI) is 1720170129, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hermine Rubenstein, MSW located?
The NPPES record lists a practice address at 9311 SE 36TH St, Mercer Island, WA, 98040. Phone: (206) 236-0707. Providers update this record themselves, so call before visiting.
How can I verify Hermine Rubenstein, MSW's license?
NPPES lists Washington license number LW00005072, 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.