NPPES file of Aug 9, 2026

John David Lajoy, D.D.S.

Dentist · Sylmar, CA

John David Lajoy, D.D.S. is a dentist with a practice address in Sylmar, California, and NPI 1881752707, issued on Dec 4, 2006. Check the license (California 033032, 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
1881752707
Name
John David Lajoy
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
033032 CA
Self-reported in NPPES; status is on the state search
Practice location
13867 Foothill Blvd, Sylmar, CA 91342
Phone
(818) 362-0435
Enumerated
Dec 4, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(818) 362-6305
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 13867 Foothill Blvd

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

  1. Denis Marxen, D.C.Chiropractor1952309601
  2. Christine White, DDSGeneral Practice Dentistry1093807604

Verify John David Lajoy 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 033032
    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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44% fewer Medicare Part D claims than the average dentist in 2024

48 Medicare Part D claims for 37 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. John Lajoy48
  2. Specialty average86

Most prescribed

  1. Amoxicillin27 claims
  2. Chlorhexidine Gluconate15 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.

John David Lajoy among 14,729 dentist records in California

John David Lajoy, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in California

There are 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Shervin Akhamzadeh, D.D.S.Sylmar, CA 913421992828347
  2. Vyniamin Guralnik, DDSSylmar, CA 913421063632925
  3. Susan Kim, D.D.S.Lake View Terrace, CA 913421184799702
  4. Hovsep Koshkerian, DDSSylmar, CA 913421356499693
  5. Jean LeeSylmar, CA 913421306030465
  6. Esteban Piotraszewski, D.D.S.Sylmar, CA 913421811059017
  7. Laura Restrepo, DDSSylmar, CA 913421407334972
  8. Mazal Sarafian, DDSSylmar, CA 913421477386340

Common questions

What is John David Lajoy, D.D.S.'s NPI number?

John David Lajoy, D.D.S.'s National Provider Identifier (NPI) is 1881752707, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John David Lajoy, D.D.S. located?

The NPPES record lists a practice address at 13867 Foothill Blvd, Sylmar, CA, 91342. Phone: (818) 362-0435. Providers update this record themselves, so call before visiting.

How can I verify John David Lajoy, D.D.S.'s license?

NPPES lists California license number 033032, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does John David Lajoy, D.D.S. prescribe under Medicare Part D?

In 2024, John David Lajoy, D.D.S. had 48 Medicare Part D claims for 37 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.