DR. GERARDO ZAVALA MD
NPI 1003916255
Neurological Surgery in San Antonio, TX
About Dr. Gerardo Zavala Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GERARDO ZAVALA MD (NPI 1003916255) is an individual neurological surgery provider in San Antonio, Texas, licensed in Texas (F3011) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gerardo Zavala Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gerardo Zavala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gerardo Zavala's NPI number?
The NPI number for Gerardo Zavala is 1003916255. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Gerardo Zavala located?
Gerardo Zavala practices at 4423 NW Loop 410 Ste 100, San Antonio, TX 78229. The listed phone number is (210) 541-9898.
What is Gerardo Zavala's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Gerardo Zavala enrolled in Medicare?
Yes. Gerardo Zavala is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gerardo Zavala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gerardo Zavala reassigns Medicare benefits to Gerardo Zavala MD PA (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gerardo Zavala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gerardo Zavala was last updated on March 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.