Dr. Steven Walker MD
About this NPIWhat this record shows.
NPI 1649465584 is registered to Dr. Steven Walker MD, a Internal Medicine practising at 300 E Sonterra Blvd in San Antonio, Texas. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Steven Walker MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- 74748MN· Issued by PHYSICIAN LICENSE
- DR.0072034CO· Issued by PHYSICIAN LICENSE
- 01091951AIN· Issued by PHYSICIAN LICENSE
- M7735TX· Issued by TSMBE
- MD217350OR· Issued by PHYSICIAN LICENSE
- 61475909WA· Issued by PHYSICIAN LICENSE
Source: NPPES public registry.
Medicare enrollment
This provider holds 7 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
- I20071231000567Internal MedicineTX
- I20250708000842Internal MedicineMN
- I20250829000836Internal MedicineIN
- I20251031002475Internal MedicineWA
- I20251031003808Internal MedicineOR
- I20251231000105Internal MedicineWI
- I20251231000300Internal MedicineCO
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. Steven Walker MD accepts. To confirm in-network status with your specific health plan, contact Dr. Steven Walker MD directly at (855) 425-1055.
Frequently asked
Yes. NPI 1649465584 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (855) 425-1055.
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. Steven Walker MD is a Type-1 individual NPI.