What is Peter Nguyen's NPI number?

Peter Nguyen's National Provider Identifier (NPI) is 1720118920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Peter Nguyen's specialty?

Peter Nguyen is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Peter Nguyen located?

Peter Nguyen's practice location on file with NPPES is 250 S Pacific St, San Marcos, CA 92078-2476.

What is Peter Nguyen's phone number?

The practice phone number listed in the NPPES registry for Peter Nguyen is (760) 597-9999.

Is Peter Nguyen's NPI active?

Yes — Peter Nguyen's NPI (1720118920) is active in the NPPES registry as of the last update on 2026-04-06.

IndividualActive

Peter Nguyen, DDS

NPI 1720118920 · Dentist · San Marcos, CA

Peter Nguyen, DDS is a Dentist provider in San Marcos, CA (NPI 1720118920).

Provider details

NPI number: 1720118920
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 47536 (CA)

Specialties & taxonomies

DentistPrimary122300000XLicense 47536 (CA)
Dental Providers
Customized Equipment (DME)332BC3200XLicense 47536 (CA)
Suppliers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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.

Practice location

250 S Pacific St

Suite #100

San Marcos, CA 92078-2476

Phone: (760) 597-9999

Fax: (760) 798-7960

Street-level locationGet directions

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Mailing address

250 S Pacific St Ste 100