NPPES file of Aug 9, 2026

Karl Martin John Eberhardt, DDS

General Practice Dentistry · Seattle, WA

Karl Martin John Eberhardt, DDS is a general practice dentistry with a practice address in Seattle, Washington, and NPI 1508949777, issued on Oct 23, 2006. Check the license (Washington 7141, as entered in NPPES) with the Washington 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
1508949777
Name
Karl Martin John Eberhardt
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
7141 WA
Self-reported in NPPES; status is on the state search
Practice location
3114 NE 65TH St, Seattle, WA 98115
Phone
(206) 524-1883
Enumerated
Oct 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(206) 524-2655
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 Karl Martin John Eberhardt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license 7141
    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 Washington license search

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72% fewer Medicare Part D claims than the average general practice dentistry in 2024

23 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Karl Eberhardt23
  2. Specialty average83

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.

Karl Martin John Eberhardt among 3,196 general practice dentistry records in Washington

Karl Martin John Eberhardt, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% 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 · 72% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Washington

There are 3,196 general practice dentistry records in Washington.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Gary Bell, DDSSeattle, WA 981151154416915
  2. Thomas Carns, DDSSeattle, WA 981151437298866
  3. Debra Cederbaum, D.D.S.Seattle, WA 981151841285806
  4. Terrance Cliney, DDSSeattle, WA 981151104917509
  5. Cesar Cruz, DDSSeattle, WA 981151205998796
  6. Jan Diepenheim, D.D.S.Seattle, WA 981151033268933
  7. Jeffrey Green, D.D.S.Seattle, WA 981151285639153
  8. Melissa Lee, DDSSeattle, WA 981151194732610

Common questions

What is Karl Martin John Eberhardt, DDS's NPI number?

Karl Martin John Eberhardt, DDS's National Provider Identifier (NPI) is 1508949777, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karl Martin John Eberhardt, DDS located?

The NPPES record lists a practice address at 3114 NE 65TH St, Seattle, WA, 98115. Phone: (206) 524-1883. Providers update this record themselves, so call before visiting.

How can I verify Karl Martin John Eberhardt, DDS's license?

NPPES lists Washington license number 7141, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Karl Martin John Eberhardt, DDS prescribe under Medicare Part D?

In 2024, Karl Martin John Eberhardt, DDS had 23 Medicare Part D claims for 18 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.