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DR. ELIZABETH COTTON MATSUI M.D.
NPI 1265482178
Pediatrics - Pediatric Allergy/Immunology in Houston, TX

Active since May 11, 2006PECOS Enrolled
6701 FANNIN ST FL 9, HOUSTON, TX 77030(832) 824-1000 Get Directions Write a Review

NPPES record last updated: March 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2026, Oct 24, 2018 (2 updates tracked since 2018).

About Dr. Elizabeth Cotton Matsui M.d. NPPES

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

DR. ELIZABETH COTTON MATSUI M.D. (NPI 1265482178) is an individual pediatric allergy/immunology provider in Houston, Texas, licensed in Texas (R6439) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265482178
Entity TypeIndividualFemale
Primary Taxonomy2080P0201X
Provider Legal NameDR. ELIZABETH COTTON MATSUICredential: M.D.
Location Address6701 FANNIN ST FL 9Houston, TX 77030-2608
Mailing Address1102 Bates Ave Ste 330Houston, TX 77030-2620
Phone(832) 824-1000
Sole ProprietorNo
Enumeration DateMay 11, 2006
Last NPPES UpdateMarch 6, 20262 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
✔ NPI 1265482178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0201X
License✔ Licensed in TX · R6439
Definition
A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.
Also ListedPediatricsTaxonomy 208000000X · License D53336 (MD)
6701 FANNIN ST FL 9, Houston, TX 77030
Open in Google Maps ↗

Other Identifiers 1

Medicaid800701200MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elizabeth Cotton Matsui M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Elizabeth Matsui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Children's Physician Group
0.2 mi
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
NPI 1861675506 (832) 824-1000
Dell Children's Medical Group
144 mi
Pediatrics
1301 BARBARA JORDAN BLVD STE 200
Austin, TX 78723
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Dell Childrens Medical Group
  • 576 clinicians in this Medicare group
NPI 1326072943 (512) 628-1800

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SARA ANVARI M.D.
Internal Medicine (Allergy & Immunology)
6701 FANNIN ST FL 9
HOUSTON, TX 77030
Harris County (832) 824-1319

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 Elizabeth Matsui's NPI number?

The NPI number for Elizabeth Matsui is 1265482178. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Elizabeth Matsui located?

Elizabeth Matsui practices at 6701 Fannin St Fl 9, Houston, TX 77030. The listed phone number is (832) 824-1000.

What is Elizabeth Matsui's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Is Elizabeth Matsui enrolled in Medicare?

Yes. Elizabeth Matsui is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elizabeth Matsui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Matsui reassigns Medicare benefits to 2 organizations: Texas Children's Physician Group (Houston, TX) and Dell Children's Medical Group (Austin, 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 Elizabeth Matsui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Matsui accept?

Health plans from Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc., Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Elizabeth Matsui 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 Elizabeth Matsui was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.