ALEXIA BEATRIZ SANTOS MD
NPI 1679681548
Pediatrics - Pediatric Cardiology in Houston, TX

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
6621 FANNIN ST, MC- 19345-C, HOUSTON, TX 77030(832) 455-0446 Get Directions Write a Review

NPPES record last updated: April 8, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Alexia Beatriz Santos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXIA BEATRIZ SANTOS MD (NPI 1679681548) is an individual pediatric cardiology provider in Houston, Texas, licensed in Texas (M6867) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1679681548
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameALEXIA BEATRIZ SANTOSCredential: MD
Location Address6621 FANNIN ST, MC- 19345-CHouston, TX 77030-2303
Mailing Address6621 Fannin St, Mc- 19345-cHouston, TX 77030-2303 · (832) 455-0446
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateAugust 29, 2006
Last NPPES UpdateApril 8, 2011
✔ NPI 1679681548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in TX · M6867✔ Licensed in SC · TL28584
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
6621 FANNIN ST, Houston, TX 77030

Other Identifiers 3

Medicare PIN8K0333TX
Medicare UPINI50434
Medicaid285845SC

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

Alexia Beatriz Santos 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.

PECOS PAC ID244247336
PECOS Enrollment IDI20070927000351
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Alexia Santos reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 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.

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.

Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Physical Therapist
6621 FANNIN ST
HOUSTON, TX 77030
Physician Assistant
6621 FANNIN ST
HOUSTON, TX 77030
Anesthesiology
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Endocrinology)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Hematology-Oncology)
6621 FANNIN ST, MC 3-3320
HOUSTON, TX 77030

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 Alexia Santos's NPI number?

The NPI number for Alexia Santos is 1679681548. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Alexia Santos located?

Alexia Santos practices at 6621 Fannin St Mc- 19345-C, Houston, TX 77030. The listed phone number is (832) 455-0446.

What is Alexia Santos's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Alexia Santos enrolled in Medicare?

Yes. Alexia Santos 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 organizations bill Medicare for Alexia Santos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexia Santos reassigns Medicare benefits to 3 organizations: Texas Children's Physician Group (Houston, TX), Baylor College Of Medicine (Houston, TX) and Ut Physicians (Houston, TX). Each 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 Alexia Santos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexia Santos accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community Health Choice, Oscar Insurance Company and UnitedHealthcare list Alexia Santos 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.

When was this NPI record last updated?

The NPPES record for Alexia Santos was last updated on April 8, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.