Grace Ma, OD
NPI 1477204733 · Optometrist · Redondo Beach, CA
Grace Ma, OD is a Optometrist provider in Redondo Beach, CA (NPI 1477204733).
Provider details
- NPI number
- 1477204733
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12749T (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
4 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.
$211 across 5 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
- 2022-01-18
- Last updated
- 2022-01-18
- Certified
- 2022-01-17
Frequently asked questions
- What is Grace Ma's NPI number?
- Grace Ma's National Provider Identifier (NPI) is 1477204733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Ma's specialty?
- Grace Ma is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Grace Ma located?
- Grace Ma's practice location on file with NPPES is 520 N Prospect Ave Ste 206, Redondo Beach, CA 90277-3042.
- What is Grace Ma's phone number?
- The practice phone number listed in the NPPES registry for Grace Ma is (310) 376-8850.
- Is Grace Ma's NPI active?
- Yes — Grace Ma's NPI (1477204733) is active in the NPPES registry as of the last update on 2022-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.