NPPES file of Aug 9, 2026

William Oliver Semans, D.D.S.

General Practice Dentistry · Sandusky, OH

William Oliver Semans, D.D.S. is a general practice dentistry with a practice address in Sandusky, Ohio, and NPI 1548358856, issued on Oct 11, 2006. Check the license (Ohio 30016984, 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
1548358856
Name
William Oliver Semans
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
30016984 OH
Self-reported in NPPES; status is on the state search
Practice location
334 Hancock St, Sandusky, OH 44870
Phone
(419) 626-1448
Enumerated
Oct 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(419) 626-1598
Medicaid ID
0843181 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William Oliver Semans 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 30016984
    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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William Oliver Semans among 3,986 general practice dentistry records in Ohio

William Oliver Semans, D.D.S. is one of 3,986 general practice dentistry records with a practice address in Ohio. 63% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 61% newer
  • In a Medicare fileNo · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 general practice dentistry records list a practice address in Sandusky

They are 20 of the 1,170 NPPES records with a practice address in Sandusky, and 3,986 general practice dentistry records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Samer Daoud, DDSSandusky, OH 448701134195373
  2. Maria Elena Stephani Galvez, DMDSandusky, OH 448701225260789
  3. John Heimke, DMDSandusky, OH 448701619128790
  4. Kunal Kanani, DMDSandusky, OH 448701013261080
  5. James Rumbarger, D.D.S.Sandusky, OH 448701871710822
  6. Peter Schaefer, DDSSandusky, OH 448701063500320
  7. James Scherger, DDSSandusky, OH 448701700091675
  8. Carlyn Sebastian-Wise, DDSSandusky, OH 448701952514200

Common questions

What is William Oliver Semans, D.D.S.'s NPI number?

William Oliver Semans, D.D.S.'s National Provider Identifier (NPI) is 1548358856, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Oliver Semans, D.D.S. located?

The NPPES record lists a practice address at 334 Hancock St, Sandusky, OH, 44870. Phone: (419) 626-1448. Providers update this record themselves, so call before visiting.

How can I verify William Oliver Semans, D.D.S.'s license?

NPPES lists Ohio license number 30016984, 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.

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.