NPPES file of Aug 9, 2026

John Andrew Guijon, DDS

Pediatric Dentistry · Huntington Beach, CA

John Andrew Guijon, DDS is a pediatric dentistry with a practice address in Huntington Beach, California, and NPI 1497758304, issued on May 24, 2005. Check the license (California 42730, 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
1497758304
Name
John Andrew Guijon
Credential
DDS
Primary taxonomy
Pediatric Dentistry 1223P0221X
License number
42730 CA
Self-reported in NPPES; status is on the state search
Practice location
18700 Main St, Huntington Beach, CA 92648
Phone
(714) 847-2566
Enumerated
May 24, 2005
Record last updated
Jul 13, 2026
Fax
(714) 841-5760
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 18700 Main St

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

  1. Dale Brandon, DDSGeneral Practice Dentistry1003823501
  2. Mary Crane Welch, OTRLOccupational Therapist1316072713
  3. Andrew Harner, DDSOrthodontics and Dentofacial Orthopedics Dentistry1053492355
  4. Craig Rosenberg, DDSGeneral Practice Dentistry1134226780
  5. Michael Scamurra, D.M.D.Dentist1619184165
  6. Kenneth Whelan, DDSDentist1447330378

Verify John Andrew Guijon 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 42730
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $14.59

1 payment: food and beverage; the largest payer was Dmg America LLC. The 2,607 providers of this specialty with any payment received $434.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Guijon$14.59
  2. Specialty average$434.77

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

John Andrew Guijon among 1,339 pediatric dentistry records in California

John Andrew Guijon, DDS is one of 1,339 pediatric dentistry records with a practice address in California. 24% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 24% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0221X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Dentistry providers in California

There are 1,339 pediatric dentistry records in California.

The 8 pediatric dentistry records with the nearest ZIP codes

  1. Richard Mungo, D.D.S.,M.S.D, M.EDHuntington Beach, CA 926481215955299
  2. Amit Shah, DDSHuntington Beach, CA 926481699905430
  3. Suelene Chen, DDSHuntington Beach, CA 926471588716633
  4. Berry Khuu, DMDHuntington Beach, CA 926471295802288
  5. Van-Khoa Quan, DDSHuntington Beach, CA 926471518354653
  6. Paul Reggiardo, D.D.S.Huntington Beach, CA 926471154745842
  7. Graciela Sullivan, DDS., MSHuntington Beach, CA 926491477659167
  8. Beanca Chu, DDSHuntington Beach, CA 926461427135847

Common questions

What is John Andrew Guijon, DDS's NPI number?

John Andrew Guijon, DDS's National Provider Identifier (NPI) is 1497758304, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Andrew Guijon, DDS located?

The NPPES record lists a practice address at 18700 Main St, Huntington Beach, CA, 92648. Phone: (714) 847-2566. Providers update this record themselves, so call before visiting.

How can I verify John Andrew Guijon, DDS's license?

NPPES lists California license number 42730, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.