Justin Ma MD
About this NPIWhat this record shows.
NPI 1861141426 is registered to Justin Ma MD, a Ophthalmology Physician practising at 490 Illinois Street, in San Francisco, California. Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Justin Ma MD has been enumerated in the National Provider Identifier (NPI) registry since 2022.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Justin Ma MD accepts. To confirm in-network status with your specific health plan, contact Justin Ma MD directly at (415) 353-2020.
Frequently asked
Yes. NPI 1861141426 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (415) 353-2020.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Justin Ma MD is a Type-1 individual NPI.