OrganizationActive
Toan Thach, O.D.
NPI 1770236390 · Optometrist · Daly City, CA
Toan Thach, O.D. is a Optometrist organization in Daly City, CA (NPI 1770236390).
Provider details
- NPI number
- 1770236390
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Toan Thach, Optometrist(562) 912-9248
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
133 Serramonte Ctr
Daly City, CA 94015-2349
Phone: (562) 912-9248
Street-level locationGet directions
Mailing address
119 Hickey Blvd
South San Francisco, CA 94080-1145
Other names (DBA / former)
- Doing business as
- Toan Thach, O.D.
Registry dates
- Enumerated
- 2022-02-02
- Last updated
- 2022-02-02
- Certified
- 2022-02-02
Frequently asked questions
- What is Toan Thach, O.D.'s NPI number?
- Toan Thach, O.D.'s National Provider Identifier (NPI) is 1770236390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Toan Thach, O.D.?
- Toan Thach, O.D. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Toan Thach, O.D. located?
- Toan Thach, O.D.'s practice location on file with NPPES is 133 Serramonte Ctr, Daly City, CA 94015-2349.
- What is Toan Thach, O.D.'s phone number?
- The practice phone number listed in the NPPES registry for Toan Thach, O.D. is (562) 912-9248.
- Who is the authorized official for Toan Thach, O.D.?
- The authorized official listed on Toan Thach, O.D.'s NPPES record is Toan Thach, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Toan Thach, O.D.'s NPI active?
- Yes — Toan Thach, O.D.'s NPI (1770236390) is active in the NPPES registry as of the last update on 2022-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.