Preethi Thiagarajan, O.D., PH.D., FAAO
NPI 1841851045 · Optometrist · San Leandro, CA
Preethi Thiagarajan, O.D., PH.D., FAAO is a Optometrist provider in San Leandro, CA (NPI 1841851045).
Provider details
- NPI number
- 1841851045
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D., PH.D., FAAO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5378 (MA)
Specialties & taxonomies
Eye and Vision Services Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-27
- Last updated
- 2021-12-28
- Certified
- 2021-12-28
Frequently asked questions
- What is Preethi Thiagarajan's NPI number?
- Preethi Thiagarajan's National Provider Identifier (NPI) is 1841851045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preethi Thiagarajan's specialty?
- Preethi Thiagarajan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Preethi Thiagarajan located?
- Preethi Thiagarajan's practice location on file with NPPES is 15051 Hesperian Blvd Ste a, San Leandro, CA 94578-3536.
- What is Preethi Thiagarajan's phone number?
- The practice phone number listed in the NPPES registry for Preethi Thiagarajan is (646) 330-9068.
- Is Preethi Thiagarajan's NPI active?
- Yes — Preethi Thiagarajan's NPI (1841851045) is active in the NPPES registry as of the last update on 2021-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.