Gustavo Diaz MD
About this NPIWhat this record shows.
NPI 1538122635 is registered to Gustavo Diaz MD, a Emergency Medicine practising at 830 Jefferson Ave in Redwood City, California. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Gustavo Diaz MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 000000006706MA· Issued by BMC
- 04-3329195MA· Issued by NORTH AMERICAN PREFERRED
- 04-3329195MA· Issued by GREAT-WEST
- 102531MA· Issued by CIGNA
- 2359897MA· Issued by AETNA
- 04-3329195MA· Issued by PHCS
- 04-3329195MA· Issued by UNICARE/GIC
- 04-3329195MA· Issued by NORTHEAST HEALTHCARE ALLI
- 04-3329195MA· Issued by NORTHEAST HEALTH DIRECT
- 04-3329195MA· Issued by PLAN VISTA
- 053006MA· Issued by TUFTS
- 24922MA· Issued by HEALTH NEW ENGLAND
- 438822MA· Issued by HARVARD PILGRIM
- 632919MA· Issued by CONNECTICARE
- J08576MA· Issued by BCBS MA
- 04-3329195MA· Issued by CONSOLIDATED
Medicaid
- 3000915MA
Source: NPPES public registry.
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
- I20111213000435Emergency MedicineCA
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 Gustavo Diaz MD accepts. To confirm in-network status with your specific health plan, contact Gustavo Diaz MD directly at (650) 381-0616.
Frequently asked
Yes. NPI 1538122635 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine 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) 381-0616.
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. Gustavo Diaz MD is a Type-1 individual NPI.