NPPES file of Aug 9, 2026

William E. Clark, DDS

General Practice Dentistry · Fresno, CA

William E. Clark, DDS is a general practice dentistry with a practice address in Fresno, California, and NPI 1831215730, issued on Mar 22, 2007. Check the license (California 25128, as entered in NPPES) with the California 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
1831215730
Name
William E. Clark
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
25128 CA
Self-reported in NPPES; status is on the state search
Practice location
5777 N Fresno St, Fresno, CA 93710
Phone
(559) 435-3111
Enumerated
Mar 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(559) 435-9337
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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Also registered at 5777 N Fresno St

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

  1. Timothy Vandyne, DPMFoot & Ankle Surgery Podiatrist1679579460

Verify William E. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 25128
    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 California license search

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8% fewer Medicare Part D claims than the average general practice dentistry in 2024

76 Medicare Part D claims for 48 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 Clark76
  2. Specialty average83

Most prescribed

  1. Amoxicillin59 claims
  2. Clindamycin Hcl14 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.

William E. Clark among 17,852 general practice dentistry records in California

William E. Clark, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

263 general practice dentistry records list a practice address in Fresno

They are 263 of the 19,440 NPPES records with a practice address in Fresno, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Michelle Asselin, DDSFresno, CA 937101477572519
  2. Donna Blair, DDSFresno, CA 937101922038447
  3. Harold Coulston, DMDFresno, CA 937101265533624
  4. Kenneth Crosby, D.D.SFresno, CA 937101245293869
  5. William Grabe, DDSFresno, CA 937101134141377
  6. Nooshin Julian, DDSFresno, CA 937101780603811
  7. Richard Moss, DDSFresno, CA 937101578585717
  8. Christopher Ngo, D.D.S.Fresno, CA 937101366553836

Common questions

What is William E. Clark, DDS's NPI number?

William E. Clark, DDS's National Provider Identifier (NPI) is 1831215730, issued on Mar 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William E. Clark, DDS located?

The NPPES record lists a practice address at 5777 N Fresno St, Fresno, CA, 93710. Phone: (559) 435-3111. Providers update this record themselves, so call before visiting.

How can I verify William E. Clark, DDS's license?

NPPES lists California license number 25128, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does William E. Clark, DDS prescribe under Medicare Part D?

In 2024, William E. Clark, DDS had 76 Medicare Part D claims for 48 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.