IndividualActive
Helen Alderson, D.D.S.
NPI 1679791321 · Dentist · San Francisco, CA
Helen Alderson, D.D.S. is a Dentist provider in San Francisco, CA (NPI 1679791321).
Provider details
- NPI number
- 1679791321
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 38550 (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
556 Battery St
San Francisco, CA 94111-2311
Phone: (415) 398-5200
Fax: (415) 398-3430
Street-level locationGet directions
Mailing address
932 Richmond St
El Cerrito, CA 94530-2919
Registry dates
- Enumerated
- 2007-04-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Helen Alderson's NPI number?
- Helen Alderson's National Provider Identifier (NPI) is 1679791321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Alderson's specialty?
- Helen Alderson is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Helen Alderson located?
- Helen Alderson's practice location on file with NPPES is 556 Battery St, San Francisco, CA 94111-2311.
- What is Helen Alderson's phone number?
- The practice phone number listed in the NPPES registry for Helen Alderson is (415) 398-5200.
- Is Helen Alderson's NPI active?
- Yes — Helen Alderson's NPI (1679791321) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.