NPPES file of Aug 9, 2026

William Warren Leffler, DDS

General Practice Dentistry · Galion, OH

William Warren Leffler, DDS is a general practice dentistry with a practice address in Galion, Ohio, and NPI 1073807590, issued on Jun 1, 2011. Check the license (Ohio 30-023480, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073807590
Name
William Warren Leffler
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
30-023480 OH
Self-reported in NPPES; status is on the state search
Practice location
102 Harding Way W Ste 102, Galion, OH 44833
Phone
(419) 468-4285
Enumerated
Jun 1, 2011
Record last updated
Jul 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(419) 468-6724
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.
Download card Updates feed

Verify William Warren Leffler 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 30-023480
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

63% fewer Medicare Part D claims than the average general practice dentistry in 2024

31 Medicare Part D claims for 22 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Leffler31
  2. Specialty average83

Most prescribed

  1. Amoxicillin19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $41.36

1 payment: food and beverage; the largest payer was Keystone Dental Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Leffler$41.36
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William Warren Leffler among 3,986 general practice dentistry records in Ohio

William Warren Leffler, DDS 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. Its NPI, issued in 2011, is newer than 71% of them.

  • NPI issued2011 · 71% of these records are older, 28% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2013 · 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).

6 general practice dentistry records list a practice address in Galion

They are 6 of the 224 NPPES records with a practice address in Galion, and 3,986 general practice dentistry records in Ohio.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Richard Byrom, DDSGalion, OH 448331093736134
  2. R Emrich, DDSGalion, OH 448331275604548
  3. Brianna FinneyGalion, OH 448331639734171
  4. Matthew Kettinger, D.D.S.Galion, OH 448331881764488
  5. Tonya Phillips, DDSGalion, OH 448331528154416
  6. Thomas Guernsey, D.D.S.Fostoria, OH 448301407865512
  7. Ryan Kinn, DMDFostoria, OH 448301942793310
  8. Derik Utz, D.D.S., LLCFostoria, OH 448301134191349

Common questions

What is William Warren Leffler, DDS's NPI number?

William Warren Leffler, DDS's National Provider Identifier (NPI) is 1073807590, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is William Warren Leffler, DDS located?

The NPPES record lists a practice address at 102 Harding Way W Ste 102, Galion, OH, 44833. Phone: (419) 468-4285. Providers update this record themselves, so call before visiting.

How can I verify William Warren Leffler, DDS's license?

NPPES lists Ohio license number 30-023480, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does William Warren Leffler, DDS prescribe under Medicare Part D?

In 2024, William Warren Leffler, DDS had 31 Medicare Part D claims for 22 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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.