Tiernan Opticians,inc.
NPI 1558410647 · Durable Medical Equipment & Medical Supplies · San Carlos, CA
Tiernan Opticians,inc. is a Durable Medical Equipment & Medical Supplies organization in San Carlos, CA (NPI 1558410647).
Provider details
- NPI number
- 1558410647
- Entity type
- Organization
- Primary specialty
- Durable Medical Equipment & Medical SuppliesSuppliers
- Organization subpart
- No
- Authorized official
- Michael Tiernan, President Owner(650) 592-1666
- License
- D2913 (CA)
Specialties & taxonomies
Suppliers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2008-02-01
Frequently asked questions
- What is Tiernan Opticians,inc.'s NPI number?
- Tiernan Opticians,inc.'s National Provider Identifier (NPI) is 1558410647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tiernan Opticians,inc.?
- Tiernan Opticians,inc. is classified in the NPPES registry as Durable Medical Equipment & Medical Supplies (Suppliers).
- Where is Tiernan Opticians,inc. located?
- Tiernan Opticians,inc.'s practice location on file with NPPES is 1225 San Carlos Ave, San Carlos, CA 94070-2419.
- What is Tiernan Opticians,inc.'s phone number?
- The practice phone number listed in the NPPES registry for Tiernan Opticians,inc. is (650) 592-1666.
- Who is the authorized official for Tiernan Opticians,inc.?
- The authorized official listed on Tiernan Opticians,inc.'s NPPES record is Michael Tiernan, President Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tiernan Opticians,inc.'s NPI active?
- Yes — Tiernan Opticians,inc.'s NPI (1558410647) is active in the NPPES registry as of the last update on 2008-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.