IndividualActive
Martha Yan, D.D.S.
NPI 1770667941 · General Practice Dentistry · Torrance, CA
Martha Yan, D.D.S. is a General Practice Dentistry provider in Torrance, CA (NPI 1770667941).
Provider details
- NPI number
- 1770667941
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- No
- License
- 50021 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 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
23244 Hawthorne Blvd
Torrance, CA 90505-3719
Phone: (310) 373-8520
Fax: (310) 373-0621
Street-level locationGet directions
Mailing address
20430 Reynolds Dr
Torrance, CA 90503-2209
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martha Yan's NPI number?
- Martha Yan's National Provider Identifier (NPI) is 1770667941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Yan's specialty?
- Martha Yan is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Martha Yan located?
- Martha Yan's practice location on file with NPPES is 23244 Hawthorne Blvd, Torrance, CA 90505-3719.
- What is Martha Yan's phone number?
- The practice phone number listed in the NPPES registry for Martha Yan is (310) 373-8520.
- Is Martha Yan's NPI active?
- Yes — Martha Yan's NPI (1770667941) 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.