Mariah Zeise Sommer
Clinical Social Worker · Spokane, WA
Mariah Zeise Sommer is a clinical social worker with a practice address in Spokane, Washington, and NPI 1750830220, issued on Sep 26, 2016. Check the license (Washington LW61415121, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariah Zeise Sommer
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- LW61415121 WA
SC61220821 WA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Howard St, Spokane, WA 99201
- Phone
- (774) 314-7970
- Enumerated
- Sep 26, 2016
- Record last updated
- Sep 19, 2023
- Fax
- (425) 653-4910
- Medicare enrollment
- Enrolled (PECOS I20231024002931); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →
Also registered at 100 N Howard St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia CarlisleClinical Social Worker1427735455
- Octavia Chenault-Robinson, MA, RLMHC,R/MFT,LLPCCounselor1225816572
- Latasha Frazier, MA, LPC, LAC-A, LMHCProfessional Counselor1891208955
Verify Mariah Zeise Sommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LW61415121Check 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
- SoundSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariah Zeise Sommer among 6,382 clinical social worker records in Washington
Mariah Zeise Sommer 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. Its NPI, issued in 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 15% of these records are
- Graduated2020 · median 2010 among the 984 with a school on file
- Record last updated2023 · 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).
645 clinical social worker records list a practice address in Spokane
They are 645 of the 14,049 NPPES records with a practice address in Spokane, and 6,382 clinical social worker records in Washington.
All 6,382 in Washington → Every provider in Spokane → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jeanne Corkill, L.W.Spokane, WA 992011932250453
- Lucy Depaolo, M.S.W., L.I.C.S.W.Spokane, WA 992011063556124
- Tracy Depledge, MSWSpokane, WA 992011730278250
- Cindi Fuller, MSWSpokane, WA 992011356400436
- Anne Marie Holmes, MSWSpokane, WA 992011174615694
- Kristine Mateer, LICSWSpokane, WA 992011457368599
- Sharon O'Brien, LICSWSpokane, WA 992011346385135
- David O'Shea, MSWSpokane, WA 992011689714891
Common questions
What is Mariah Zeise Sommer's NPI number?
Mariah Zeise Sommer's National Provider Identifier (NPI) is 1750830220, issued on Sep 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mariah Zeise Sommer located?
The NPPES record lists a practice address at 100 N Howard St, Spokane, WA, 99201. Phone: (774) 314-7970. Providers update this record themselves, so call before visiting.
How can I verify Mariah Zeise Sommer's license?
NPPES lists Washington license number LW61415121, 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. 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.