OrganizationActive
William N Ong DDS, Inc
NPI 1801012059 · General Practice Dentistry · San Francisco, CA
William N Ong DDS, Inc is a General Practice Dentistry organization in San Francisco, CA (NPI 1801012059).
Provider details
- NPI number
- 1801012059
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- William Ong, Owner-Dentist(650) 991-7397
- License
- 43882 (CA)
Specialties & taxonomies
Dental Providers
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
3510 Balboa St
San Francisco, CA 94121-2602
Phone: (415) 876-4847
Fax: (415) 876-4853
Street-level locationGet directions
Mailing address
6740 Mission St
Daly City, CA 94014-2031
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2007-10-05
Frequently asked questions
- What is William N Ong DDS, Inc's NPI number?
- William N Ong DDS, Inc's National Provider Identifier (NPI) is 1801012059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William N Ong DDS, Inc?
- William N Ong DDS, Inc is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is William N Ong DDS, Inc located?
- William N Ong DDS, Inc's practice location on file with NPPES is 3510 Balboa St, San Francisco, CA 94121-2602.
- What is William N Ong DDS, Inc's phone number?
- The practice phone number listed in the NPPES registry for William N Ong DDS, Inc is (415) 876-4847.
- Who is the authorized official for William N Ong DDS, Inc?
- The authorized official listed on William N Ong DDS, Inc's NPPES record is William Ong, Owner-Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William N Ong DDS, Inc's NPI active?
- Yes — William N Ong DDS, Inc's NPI (1801012059) is active in the NPPES registry as of the last update on 2007-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.