NPPES file of Aug 9, 2026

John J. Holton, DDS

Oral and Maxillofacial Surgery (Dentist) · Upland, CA

John J. Holton, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Upland, California, and NPI 1417978339, issued on Jul 23, 2006. Check the license (California 24028, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417978339
Name
John J. Holton
Credential
DDS
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
24028 CA
Self-reported in NPPES; status is on the state search
Practice location
600 N Mountain Ave, Upland, CA 91786
Phone
(909) 982-8888
Enumerated
Jul 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(909) 982-8251
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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8 nearest oral and maxillofacial surgery (dentist) records → All 987 in California → Look up another NPI →

Also registered at 600 N Mountain Ave

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

  1. Karen Allgaier, FNPFamily Nurse Practitioner1629220629
  2. Angela Barrios-Lucero, LMFTMarriage & Family Therapist1740443621
  3. Mary Berg, NPObstetrics & Gynecology Nurse Practitioner1336352939
  4. Paul Chang, DDSDentist1760698914
  5. Lisa Chong, MDObstetrics & Gynecology Physician1467539304
  6. Kay Crawford, NPFamily Nurse Practitioner1205115425

Verify John J. Holton 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 24028    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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John J. Holton among 987 oral and maxillofacial surgery (dentist) records in California

John J. Holton, DDS is one of 987 oral and maxillofacial surgery (dentist) records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 66% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in California

There are 987 oral and maxillofacial surgery (dentist) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 987 in California → Every provider in Upland → Oral and Maxillofacial Surgery (Dentist) nationwide →

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Marvin Jensen, M.D.,D.D.S.Upland, CA 917861578652327
  2. Russell Webb, DDSUpland, CA 917861558381780
  3. Sze Wing Au Yeung, B.D.S., D.D.S., M.D.San Gabriel, CA 917761417120999
  4. George Chew, D.D.S.Alhambra, CA 918011174683171
  5. Wally Hui, DDSRosemead, CA 917701497810170
  6. Kuei Shu Liao, D.D.S.Rosemead, CA 917701407840523
  7. Simmon Chan, DDSAlhambra, CA 918031710950175
  8. Zhiwei Zhao, DDSPomona, CA 917681194943704

Common questions

What is John J. Holton, DDS's NPI number?

John J. Holton, DDS's National Provider Identifier (NPI) is 1417978339, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John J. Holton, DDS located?

The NPPES record lists a practice address at 600 N Mountain Ave, Upland, CA, 91786. Phone: (909) 982-8888. Providers update this record themselves, so call before visiting.

How can I verify John J. Holton, DDS's license?

NPPES lists California license number 24028, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.