Ellen Diemer, LSW
Clinical Social Worker · Ottawa, OH
Ellen Diemer, LSW is a clinical social worker with a practice address in Ottawa, Ohio, and NPI 1174230114, issued on Oct 31, 2022. Check the license (Ohio S5273, as entered in NPPES) with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ellen Diemer
- Credential
- LSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- S5273 OH
Self-reported in NPPES; status is on the state search - Practice location
- 835 N Locust St, Ottawa, OH 45875
- Phone
- (419) 523-4300
- Enumerated
- Oct 31, 2022
- Entity
- Type 1 · individual
Also registered at 835 N Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Faith AbeytaSocial Worker1447903422
- Aaron Baumgartner, PCCProfessional Counselor1164686598
- Casey BishopCase Manager/Care Coordinator1952090680
- Hailey BowyerCase Manager/Care Coordinator1760075261
- Jessica Cox, LISW, CCDCIAddiction (Substance Use Disorder) Counselor1952481087
- Linda Ellerbrock, LSW, LPCProfessional Counselor1023271897
Verify Ellen Diemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license S5273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4 clinical social worker records list a Ottawa practice address
They are 4 of the 211 NPPES records with a Ottawa practice address, and 8,544 clinical social worker records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4 in Ottawa → All 8,544 in Ohio → Every provider in Ottawa →
Other clinical social worker records in Ohio
- Carolyn Abbruzzese, LISW-S, CDCAPowell, OH1194815217
- Rita Abdallah, LISW-S, ACSWWestlake, OH1225701923
- Salma Abdel-Latif, LISWDublin, OH1013552231
- Renna Abdullah, LISW-SColumbus, OH1164769972
- Zam Zam Abdullahi, SOCIAL WORKERColumbus, OH1740044098
- Nurah AbdulwahabCleveland, OH1659893717
- Cynthia Abney, LISW-SMiddletown, OH1780139824
- Camille Abounaaj, BA, LSWToledo, OH1093132029
- Michele Abraham, M.S.S.A.Rocky River, OH1790080315
- Natasha Abraham, MA, MSW, LISWColumbus, OH1326679267
Common questions
What is Ellen Diemer, LSW's NPI number?
Ellen Diemer, LSW's National Provider Identifier (NPI) is 1174230114, issued on Oct 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Diemer, LSW located?
The NPPES record lists a practice address at 835 N Locust St, Ottawa, OH, 45875. Phone: (419) 523-4300. Providers update this record themselves, so call before visiting.
How can I verify Ellen Diemer, LSW's license?
NPPES lists Ohio license number S5273, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.