NPPES file of Aug 9, 2026

Karen Becerra Matthews-Penagos, DDS

General Practice Dentistry · Oceanside, CA

Karen Becerra Matthews-Penagos, DDS is a general practice dentistry with a practice address in Oceanside, California, and NPI 1740451012, issued on Mar 14, 2008. Check the license (California 55692, 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
1740451012
Name
Karen Becerra Matthews-Penagos
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
55692 CA
Self-reported in NPPES; status is on the state search
Practice location
3998 Vista Way, Oceanside, CA 92056
Phone
(760) 736-6767
Enumerated
Mar 14, 2008
Record last updated
Feb 13, 2026
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 3998 Vista Way

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

  1. Michael BonillaCounselor1265099295
  2. Kenneth Carr, M.D.Cardiovascular Disease Physician1245255439
  3. Andrew Deemer, MDVascular Surgery Physician1578568432
  4. Adam Fierer, MDSurgery Physician1205831161
  5. Jean Folkerth, CRNFACertified Registered Nurse Anesthetist1881744928
  6. Todd Grehl, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720054257

Verify Karen Becerra Matthews-Penagos 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 55692
    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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39% fewer Medicare Part D claims than the average general practice dentistry in 2024

51 Medicare Part D claims for 12 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. Karen Matthews-Penagos51
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate14 claims
  2. Amoxicillin11 claims
  3. Methylprednisolone11 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: $43.38

1 payment: food and beverage; the largest payer was Henry Schein, 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. Karen Matthews-Penagos$43.38
  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.

Karen Becerra Matthews-Penagos among 17,852 general practice dentistry records in California

Karen Becerra Matthews-Penagos, 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 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% 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 updated2026 · 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).

53 general practice dentistry records list a practice address in Oceanside

They are 53 of the 3,438 NPPES records with a practice address in Oceanside, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Elvira Arranz, D.M.DOceanside, CA 920561649350018
  2. Alireza Assadian, M.S., D.D.SOceanside, CA 920561033218870
  3. Stuart Chang, D.D.S.Oceanside, CA 920561205930658
  4. Connie Chen, D.D.S.Oceanside, CA 920561174677819
  5. Paul Dart, DDSOceanside, CA 920561679718837
  6. Christopher Herman, DDSOceanside, CA 920561730222597
  7. Victoria Le, DDSOceanside, CA 920561245545607
  8. Vanessa Lee, DDSOceanside, CA 920561942300595

Common questions

What is Karen Becerra Matthews-Penagos, DDS's NPI number?

Karen Becerra Matthews-Penagos, DDS's National Provider Identifier (NPI) is 1740451012, issued on Mar 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Karen Becerra Matthews-Penagos, DDS located?

The NPPES record lists a practice address at 3998 Vista Way, Oceanside, CA, 92056. Phone: (760) 736-6767. Providers update this record themselves, so call before visiting.

How can I verify Karen Becerra Matthews-Penagos, DDS's license?

NPPES lists California license number 55692, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Becerra Matthews-Penagos, DDS prescribe under Medicare Part D?

In 2024, Karen Becerra Matthews-Penagos, DDS had 51 Medicare Part D claims for 12 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.