Registry data as of Aug 27, 2026

David Clark, DDS

General Practice Dentistry · Marshalltown, IA

David Clark, DDS is a general practice dentistry with a practice address in Marshalltown, Iowa, and NPI 1831103308, issued on Jul 28, 2006. Check the license with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1831103308
Name
David Clark
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
211 West Main Street, Marshalltown, IA 50158
Phone
(641) 752-3651
Enumerated
Jul 28, 2006
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 David Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck 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 Iowa 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.

26% fewer Medicare Part D claims than the average general practice dentistry in 2024

62 Medicare Part D claims for 41 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.

  1. David Clark62
  2. Specialty average84

Most prescribed

  1. Amoxicillin17 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: $112.99

1 payment, mostly gift; the largest payer was Ultradent Products Inc. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Clark$112.99
  2. Specialty average$593.28

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

18 general practice dentistry records list a Marshalltown practice address

They are 18 of the 443 NPPES records with a Marshalltown practice address, and 1,231 general practice dentistry records in Iowa.

Other general practice dentistry records in Iowa

  1. Deborah Adamec, D.D.S.Iowa City, IA1962624882
  2. Ken Addink, DDSSioux Center, IA1851372940
  3. Eric Adler, DDSSolon, IA1467025106
  4. Martin AhrensManning, IA1104030014
  5. Vinti Ahuja, DMDBettendorf, IA1992275358
  6. Jeffrey AkeyCedar Rapids, IA1598798886
  7. Ala'a Al Arabi, D.D.SWaterloo, IA1477969608
  8. Christopher Aldrich, DDSWaterloo, IA1073956454
  9. Jeffrey Allen, DDSPella, IA1841373289
  10. Stephen Allen, DDSHarlan, IA1053302950

Common questions

What is David Clark, DDS's NPI number?

David Clark, DDS's National Provider Identifier (NPI) is 1831103308, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Clark, DDS located?

The NPPES record lists a practice address at 211 West Main Street, Marshalltown, IA, 50158. Phone: (641) 752-3651. Providers update this record themselves, so call before visiting.

How can I verify David Clark, DDS's license?

Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does David Clark, DDS prescribe under Medicare Part D?

In 2024, David Clark, DDS had 62 Medicare Part D claims for 41 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.