ABIEL VILLANUEVA MENDEZ
NPI 1033797196
Hospitalist in San Antonio, TX
About Abiel Villanueva Mendez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIEL VILLANUEVA MENDEZ (NPI 1033797196) is an individual hospitalist provider in San Antonio, Texas, licensed in Texas (V2846) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Abiel Villanueva Mendez 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 Abiel Villanueva Mendez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 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 2
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.
University Health System
Acute Care Hospitals · San Antonio, 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 Abiel Villanueva Mendez's NPI number?
The NPI number for Abiel Villanueva Mendez is 1033797196. It was assigned to this individual provider in the NPPES registry on March 31, 2021.
Where is Abiel Villanueva Mendez located?
Abiel Villanueva Mendez practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.
What is Abiel Villanueva Mendez's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Abiel Villanueva Mendez enrolled in Medicare?
Yes. Abiel Villanueva Mendez 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 Abiel Villanueva Mendez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abiel Villanueva Mendez reassigns Medicare benefits to Community Medicine Associates (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 Abiel Villanueva Mendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abiel Villanueva Mendez accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and WellPoint list Abiel Villanueva Mendez 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 Abiel Villanueva Mendez affiliated with any hospitals?
According to CMS data, Abiel Villanueva Mendez is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Abiel Villanueva Mendez was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.