NPPES file of Aug 9, 2026

Diana Lynn Theiss, PH.D., LISW-S

Clinical Social Worker · Sylvania, OH

Diana Lynn Theiss, PH.D., LISW-S is a clinical social worker with a practice address in Sylvania, Ohio, and NPI 1265722813, issued on Apr 17, 2011. Check the license (Ohio I-0900183-SUPV, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265722813
Name
Diana Lynn Theiss
Credential
PH.D., LISW-S
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
I-0900183-SUPV OH
I.0900183-SUPV OH
Self-reported in NPPES; status is on the state search
Practice location
5800 Monroe St Ste A1, Sylvania, OH 43560
Phone
(419) 276-3556
Enumerated
Apr 17, 2011
Record last updated
Mar 2, 2023
Medicaid ID
0155198 OH
Medicare enrollment
Enrolled (PECOS I20120406000390); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 9,815 in Ohio → Look up another NPI →

Also registered at 5800 Monroe St Ste A1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sara Ballou, MS, LPCMental Health Counselor1972302909
  2. James Corbo, LISW-SSocial Worker1609621614
  3. Nicole Corl, LSWClinical Social Worker1366187254
  4. Jennifer Gale, LSWClinical Social Worker1891433561
  5. Tionna Jackson, LSWSocial Worker1558152983
  6. Alicia Longmore, LISWClinical Social Worker1437780509

Verify Diana Lynn Theiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license I-0900183-SUPV    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

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Diana Lynn Theiss among 9,815 clinical social worker records in Ohio

Diana Lynn Theiss, PH.D., LISW-S is one of 9,815 clinical social worker records with a practice address in Ohio. 13% 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 2011, is newer than 28% of them.

  • NPI issued2011 · 28% of these records are older, 68% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2010 · median 2011 among the 1,903 with a school on file
  • Record last updated2023 · 55% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 clinical social worker records list a practice address in Sylvania

They are 33 of the 881 NPPES records with a practice address in Sylvania, and 9,815 clinical social worker records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,815 in Ohio → Every provider in Sylvania → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Nancy Anderson, LISWSylvania, OH 435601861671992
  2. Laura Blackwell, LISWSylvania, OH 435601407804842
  3. Amy Boggs, L.I.S.W.Sylvania, OH 435601013111350
  4. Rose Cousino, MSW, LSWSylvania, OH 435601356723720
  5. Alina Fuller, LISWSylvania, OH 435601558618413
  6. Rebecca Gauchet, LISWSylvania, OH 435601700254596
  7. Aaron HaydenSylvania, OH 435601922097120
  8. Gary Incorvaia, LISW-SSylvania, OH 435601568519866

Common questions

What is Diana Lynn Theiss, PH.D., LISW-S's NPI number?

Diana Lynn Theiss, PH.D., LISW-S's National Provider Identifier (NPI) is 1265722813, issued on Apr 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Diana Lynn Theiss, PH.D., LISW-S located?

The NPPES record lists a practice address at 5800 Monroe St Ste A1, Sylvania, OH, 43560. Phone: (419) 276-3556. Providers update this record themselves, so call before visiting.

How can I verify Diana Lynn Theiss, PH.D., LISW-S's license?

NPPES lists Ohio license number I-0900183-SUPV, 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.