Julie Siongco, D.D.S.
NPI 1851589998 · Dentist · San Jose, CA
Julie Siongco, D.D.S. is a Dentist provider in San Jose, CA (NPI 1851589998).
Provider details
- NPI number
- 1851589998
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 54862 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$123 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-12
- Last updated
- 2009-04-20
Frequently asked questions
- What is Julie Siongco's NPI number?
- Julie Siongco's National Provider Identifier (NPI) is 1851589998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Siongco's specialty?
- Julie Siongco is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Julie Siongco located?
- Julie Siongco's practice location on file with NPPES is 747 S Winchester Blvd, San Jose, CA 95128-2990.
- What is Julie Siongco's phone number?
- The practice phone number listed in the NPPES registry for Julie Siongco is (408) 246-7474.
- Is Julie Siongco's NPI active?
- Yes — Julie Siongco's NPI (1851589998) is active in the NPPES registry as of the last update on 2009-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.