NPPES file of Aug 9, 2026

Matthew Aaron Diercks, DDS

Dentist · Los Gatos, CA

Matthew Aaron Diercks, DDS is a dentist with a practice address in Los Gatos, California, and NPI 1669793857, issued on Jun 22, 2010. Check the license (California 45678, 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
1669793857
Name
Matthew Aaron Diercks
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
45678 CA
Self-reported in NPPES; status is on the state search
Practice location
15951 Los Gatos Blvd, Los Gatos, CA 95032
Phone
(408) 402-0900
Enumerated
Jun 22, 2010
Record last updated
Jun 22, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(402) 402-0922
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 15951 Los Gatos Blvd

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

  1. Angelina Avila-Pandey, MFTMarriage & Family Therapist1134395932
  2. Bethanne Baretich, DCChiropractor1417292012
  3. Claire Barkley, M.A., MFTMarriage & Family Therapist1437387321
  4. Elliot FoadChiropractor1922804004
  5. Steven Ginsberg, L..AC.,OMD.Acupuncturist1700975760
  6. Susan Glenfield, PTPhysical Therapist1770603540

Verify Matthew Aaron Diercks 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 45678
    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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53% fewer Medicare Part D claims than the average dentist in 2024

40 Medicare Part D claims for 30 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Matthew Diercks40
  2. Specialty average86

Most prescribed

  1. Amoxicillin18 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: $43.77

2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Diercks$43.77
  2. Specialty average$540.36

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

24 dentist records list a practice address in Los Gatos

They are 24 of the 1,905 NPPES records with a practice address in Los Gatos, and 14,729 dentist records in California.

Other dentist records in California

  1. Chantelle AabediLos Angeles, CA1740895150
  2. Sohrab Aalam, DMDIrvine, CA1497431100
  3. Rick Aaronian, DDSFresno, CA1245452184
  4. Michael Aaronson, DDSSan Rafael, CA1992029722
  5. Autumn Abadesco, DDSLa Puente, CA1952857237
  6. Behzad Abadi, DMDDowney, CA1588879100
  7. Esfandiar Abadi, DDSSacramento, CA1992926448
  8. Bahareh AbadianSan Jose, CA1689169005
  9. Reza Abaei Tafreshi, DDSIrvine, CA1134656804
  10. Michael AbaianSherman Oaks, CA1023263167

Common questions

What is Matthew Aaron Diercks, DDS's NPI number?

Matthew Aaron Diercks, DDS's National Provider Identifier (NPI) is 1669793857, issued on Jun 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Aaron Diercks, DDS located?

The NPPES record lists a practice address at 15951 Los Gatos Blvd, Los Gatos, CA, 95032. Phone: (408) 402-0900. Providers update this record themselves, so call before visiting.

How can I verify Matthew Aaron Diercks, DDS's license?

NPPES lists California license number 45678, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Aaron Diercks, DDS prescribe under Medicare Part D?

In 2024, Matthew Aaron Diercks, DDS had 40 Medicare Part D claims for 30 beneficiaries; the average among dentist prescribers was 86. 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.