ARIEL AYALA CAA
NPI 1316585284
Anesthesiologist Assistant in San Antonio, TX
About Ariel Ayala Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIEL AYALA CAA (NPI 1316585284) is an individual anesthesiologist assistant in San Antonio, Texas and active in the NPI registry since December 2019. He is affiliated with Northwest Health - Porter and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ariel Ayala Caa 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.
Medicare Billing Reassignment
Medicare enrollment records show Ariel Ayala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 55 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Health - Porter
Acute Care Hospitals · Valparaiso, INOther 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 78216
SAN ANTONIO, TX 78216
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 Ariel Ayala's NPI number?
The NPI number for Ariel Ayala is 1316585284. It was assigned to this individual provider in the NPPES registry on December 11, 2019.
Where is Ariel Ayala located?
Ariel Ayala practices at 400 Concord Plaza Dr Ste 300, San Antonio, TX 78216. The listed phone number is (210) 804-5911.
What is Ariel Ayala's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Ariel Ayala enrolled in Medicare?
Yes. Ariel Ayala 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.
Which organization bills Medicare for Ariel Ayala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Ayala reassigns Medicare benefits to Porter County Anesthesia Associates PC (Valparaiso, IN). 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 Ariel Ayala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ariel Ayala affiliated with any hospitals?
According to CMS data, Ariel Ayala is affiliated with Northwest Health - Porter.
When was this NPI record last updated?
The NPPES record for Ariel Ayala was last updated on June 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.