What is David Duggan's NPI number?

David Duggan's National Provider Identifier (NPI) is 1336303296, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Duggan's specialty?

David Duggan is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is David Duggan located?

David Duggan's practice location on file with NPPES is 1076 Santo Antonio Dr, Colton, CA 92324-8103.

What is David Duggan's phone number?

The practice phone number listed in the NPPES registry for David Duggan is (909) 824-7179.

Is David Duggan's NPI active?

Yes — David Duggan's NPI (1336303296) is active in the NPPES registry as of the last update on 2008-07-10.

IndividualActive

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

NPI 1336303296 · General Practice Dentistry · Colton, CA

David Duggan, D.D.S., PH.D. is a General Practice Dentistry provider in Colton, CA (NPI 1336303296).

Provider details

NPI number: 1336303296
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S., PH.D.
Sex: Male
Sole proprietor: Yes
License: 40074 (CA)

Practice location

1076 Santo Antonio Dr

Suite K

Colton, CA 92324-8103

Phone: (909) 824-7179

Fax: (909) 824-2730

Street-level locationGet directions

More CA providers

Mailing address

1076 Santo Antonio Dr

Colton, CA 92324-8103

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 40074 (CA)
Dental Providers

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2008-07-10
Last updated: 2008-07-10

Frequently asked questions

What is David Duggan's NPI number?: David Duggan's National Provider Identifier (NPI) is 1336303296, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is David Duggan's specialty?: David Duggan is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
Where is David Duggan located?: David Duggan's practice location on file with NPPES is 1076 Santo Antonio Dr, Colton, CA 92324-8103.
What is David Duggan's phone number?: The practice phone number listed in the NPPES registry for David Duggan is (909) 824-7179.
Is David Duggan's NPI active?: Yes — David Duggan's NPI (1336303296) is active in the NPPES registry as of the last update on 2008-07-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions