Dr. Cassandra Haddox DO
About this NPIWhat this record shows.
NPI 1659606929 is registered to Dr. Cassandra Haddox DO, a Emergency Medicine practising at 3015 N Ballas Rd, Dept Emergency Med in Saint Louis, Missouri. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Cassandra Haddox DO has been enumerated in the National Provider Identifier (NPI) registry since 2009.
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.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20090923000587Emergency MedicineMO
- I20190329002324Emergency MedicineIL
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. Cassandra Haddox DO accepts. To confirm in-network status with your specific health plan, contact Dr. Cassandra Haddox DO directly at (314) 966-5000.
Frequently asked
Yes. NPI 1659606929 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 (314) 966-5000.
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. Cassandra Haddox DO is a Type-1 individual NPI.