Dr. Martin Stein M. D.
About this NPIWhat this record shows.
NPI 1871901397 is registered to Dr. Martin Stein M. D., a Endocrinology, Diabetes & Metabolism Physician practising at 145 Deer Meadow Ln in Portola Valley, California. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Martin Stein M. D. has been enumerated in the National Provider Identifier (NPI) registry since 2014.
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 Dr. Martin Stein M. D. accepts. To confirm in-network status with your specific health plan, contact Dr. Martin Stein M. D. directly at (650) 529-1786.
Frequently asked
Yes. NPI 1871901397 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism 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 (650) 529-1786.
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. Martin Stein M. D. is a Type-1 individual NPI.