MARIA ISABEL VILLARREAL M. D.
NPI 1376516526
Family Medicine in Brewton, AL
About Maria Isabel Villarreal M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA ISABEL VILLARREAL M. D. (NPI 1376516526) is an individual family medicine provider in Brewton, Alabama, licensed in Alabama (20632) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and is a graduate of University Of Texas Medical School At San Antonio (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Maria Isabel Villarreal M. D. 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 Maria Villarreal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brewton, AL 36426
- Reassigned Medicare billing, Alabama enrollment
- 14 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 15
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.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 36426 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.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BREWTON, AL 36426
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 Maria Villarreal's NPI number?
The NPI number for Maria Villarreal is 1376516526. It was assigned to this individual provider in the NPPES registry on February 8, 2006.
Where is Maria Villarreal located?
Maria Villarreal practices at 1121 Belleville Ave, Brewton, AL 36426. The listed phone number is (251) 809-3110.
What is Maria Villarreal's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Maria Villarreal enrolled in Medicare?
Yes. Maria Villarreal 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 Maria Villarreal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Villarreal reassigns Medicare benefits to D.W. Mcmillan Memorial Hospital (Brewton, AL). 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 Maria Villarreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Villarreal accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and UnitedHealthcare list Maria Villarreal 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 Maria Villarreal affiliated with any hospitals?
According to CMS data, Maria Villarreal is affiliated with Sacred Heart Hospital.
When was this NPI record last updated?
The NPPES record for Maria Villarreal was last updated on November 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.