Dr. Brett Stark MD
Also known as
- Formerly known asClark, Brett Aaron
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1831693779 is registered to Dr. Brett Stark MD, a Reproductive Endocrinology practising at 499 Illinois St Fl 6 in San Francisco, California. Reproductive Endocrinology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Brett Stark MD has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220809002342Obstetrics/GynecologyCA
Source: CMS PECOS public enrollment file.
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 Dr. Brett Stark MD accepts. To confirm in-network status with your specific health plan, contact Dr. Brett Stark MD directly at (415) 353-7475.
Frequently asked
Yes. NPI 1831693779 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Reproductive Endocrinology 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) 353-7475.
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. Dr. Brett Stark MD is a Type-1 individual NPI.