DR. STEVEN EUGENE WALKER MD
NPI 1649465584
Internal Medicine in San Antonio, TX
About Dr. Steven Eugene Walker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN EUGENE WALKER MD (NPI 1649465584) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (M7735) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 7
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Steven Eugene Walker Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78258
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Walker's NPI number?
The NPI number for Steven Walker is 1649465584. It was assigned to this individual provider in the NPPES registry on September 13, 2007.
Where is Steven Walker located?
Steven Walker practices at 300 E Sonterra Blvd, San Antonio, TX 78258. The listed phone number is (855) 425-1055.
What is Steven Walker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Walker enrolled in Medicare?
Yes. Steven Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Steven Walker accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Community Health Choice and Oscar Insurance Company and 1 other insurer list Steven Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Steven Walker was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
