Mai-Anh Bui, O.D.
NPI 1396999603 · Optometrist · Torrance, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mai-Anh Bui, O.D. is a Optometrist provider in Torrance, CA (NPI 1396999603).
Provider details
- NPI number
- 1396999603
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 11562 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 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.
$39 across 1 record (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
- 2008-11-13
- Last updated
- 2008-11-13
Frequently asked questions
- What is Mai-Anh Bui's NPI number?
- Mai-Anh Bui's National Provider Identifier (NPI) is 1396999603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mai-Anh Bui's specialty?
- Mai-Anh Bui is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mai-Anh Bui located?
- Mai-Anh Bui's practice location on file with NPPES is 21712 Hawthorne Blvd, Torrance, CA 90503-7028.
- What is Mai-Anh Bui's phone number?
- The practice phone number listed in the NPPES registry for Mai-Anh Bui is (310) 371-5761.
- Does Mai-Anh Bui accept Medicare?
- Mai-Anh Bui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mai-Anh Bui's NPI active?
- Yes — Mai-Anh Bui's NPI (1396999603) is active in the NPPES registry as of the last update on 2008-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.