Active NPI
Peter B Nguyen, DDS
- Dentist
- San Marcos, CA
National Provider Identifier
1720118920
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- 47536
- Practice address
- 250 S Pacific St
Suite #100
San Marcos, CA 92078-2476 - Phone
- (760) 597-9999
- Fax
- (760) 798-7960
- NPI assigned
- Mar 6, 2007
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dentist | 122300000X | 47536 | CA | Primary |
| Customized Equipment (DME) | 332BC3200X | 47536 | CA |
Addresses
Primary practice location
250 S Pacific St
Suite #100
San Marcos, CA 92078-2476
Mailing address
250 S Pacific St Ste 100
San Marcos, CA 92078-2476
Phone (760) 597-9999
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Peter B. Nguyen, DDS, Inc | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Practice Dentistry
- San Marcos, CA
- NPI 1497870067
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1173139200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775433600000",
"number": "1720118920",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "250 S PACIFIC ST STE 100",
"city": "SAN MARCOS",
"state": "CA",
"postal_code": "920782476",
"telephone_number": "760-597-9999",
"fax_number": "760-798-7960"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "250 S PACIFIC ST",
"address_2": "SUITE #100",
"city": "SAN MARCOS",
"state": "CA",
"postal_code": "920782476",
"telephone_number": "760-597-9999",
"fax_number": "760-798-7960"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NGUYEN",
"first_name": "PETER",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-03-06",
"last_updated": "2026-04-06",
"certification_date": "2026-04-06",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "CA",
"license": "47536",
"primary": true
},
{
"code": "332BC3200X",
"taxonomy_group": "",
"desc": "Durable Medical Equipment & Medical Supplies, Customized Equipment",
"state": "CA",
"license": "47536",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Marcos, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.