ABBAS MEHDI SIZAR MD
NPI 1497458624
Emergency Medicine in San Antonio, TX
About Abbas Mehdi Sizar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABBAS MEHDI SIZAR MD (NPI 1497458624) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (W0731) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Otto Kaiser Memorial Hospital, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Abbas Mehdi Sizar 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Otto Kaiser Memorial Hospital
Critical Access Hospitals · Kenedy, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 Abbas Sizar's NPI number?
The NPI number for Abbas Sizar is 1497458624. It was assigned to this individual provider in the NPPES registry on March 27, 2023.
Where is Abbas Sizar located?
Abbas Sizar practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.
What is Abbas Sizar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Abbas Sizar enrolled in Medicare?
Yes. Abbas Sizar 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 Abbas Sizar accept?
Health plans from Blue Cross and Blue Shield of Texas list Abbas Sizar 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.
Is Abbas Sizar affiliated with any hospitals?
According to CMS data, Abbas Sizar is affiliated with Otto Kaiser Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Abbas Sizar was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.