NPPES file of Aug 9, 2026

David Michael Duggan, D.D.S., PH.D.

General Practice Dentistry · Colton, CA

David Michael Duggan, D.D.S., PH.D. is a general practice dentistry with a practice address in Colton, California, and NPI 1336303296, issued on Jul 10, 2008. Check the license (California 40074, 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
1336303296
Name
David Michael Duggan
Credential
D.D.S., PH.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
40074 CA
Self-reported in NPPES; status is on the state search
Practice location
1076 Santo Antonio Dr, Colton, CA 92324
Phone
(909) 824-7179
Enumerated
Jul 10, 2008
Record last updated
Jul 10, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(909) 824-2730
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 general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 1076 Santo Antonio Dr

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

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  3. Marlene AlvarezAddiction (Substance Use Disorder) Counselor1194132019
  4. Thomas BellAddiction (Substance Use Disorder) Counselor1225336464
  5. Donna Blanton, FACTAddiction (Substance Use Disorder) Counselor1598078412
  6. Dusty Buford, CATC - CAADE 040854Addiction (Substance Use Disorder) Counselor1750415592

Verify David Michael Duggan 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 40074    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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David Michael Duggan among 17,852 general practice dentistry records in California

David Michael Duggan, D.D.S., PH.D. 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 not. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 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).

General Practice Dentistry providers in California

There are 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,852 in California → Every provider in Colton → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Marc Bernardo, DMDColton, CA 923241467004762
  2. Jeffrey Dharmawan, DDSColton, CA 923241427107382
  3. Jonathan Gim, DDSColton, CA 923241215618863
  4. Soyoung Kim, DDSColton, CA 923241720239866
  5. Julianne Magakat, DDSColton, CA 923241588543565
  6. Vijay Mohamed, DDSColton, CA 923241750952800
  7. Devangkumar PatelColton, CA 923241962557173
  8. Shirish Patel, DMDColton, CA 923241932312139

Common questions

What is David Michael Duggan, D.D.S., PH.D.'s NPI number?

David Michael Duggan, D.D.S., PH.D.'s National Provider Identifier (NPI) is 1336303296, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is David Michael Duggan, D.D.S., PH.D. located?

The NPPES record lists a practice address at 1076 Santo Antonio Dr, Colton, CA, 92324. Phone: (909) 824-7179. Providers update this record themselves, so call before visiting.

How can I verify David Michael Duggan, D.D.S., PH.D.'s license?

NPPES lists California license number 40074, 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.