MARY GRACE KANEN CHIU MD
NPI 1134819170
Pediatrics in Houston, TX

Active since May 12, 2023PECOS Enrolled
6410 FANNIN ST STE 500, HOUSTON, TX 77030(713) 500-5800 Get Directions Write a Review

NPPES record last updated: June 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Grace Kanen Chiu Md NPPES

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

MARY GRACE KANEN CHIU MD (NPI 1134819170) is an individual pediatrics provider in Houston, Texas, licensed in Texas (W4436) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1134819170
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARY GRACE KANEN CHIUCredential: MD
Location Address6410 FANNIN ST STE 500Houston, TX 77030-3005
Mailing Address6431 Fannin St Ste Jjl 480Houston, TX 77030-1501 · (713) 500-5800
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMay 12, 2023
Last NPPES UpdateJune 21, 2026
NPPES CertifiedJune 21, 2026
✔ NPI 1134819170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · W4436
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
6410 FANNIN ST STE 500, Houston, TX 77030

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Grace Kanen Chiu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID941766471
PECOS Enrollment IDI20260725000655
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 Reassignment

Medicare enrollment records show Mary Grace Chiu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Dietitian, Registered (Nutrition, Metabolic)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Infectious Diseases)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Nurse Practitioner (Pediatrics)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Infectious Diseases)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Dietitian, Registered
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Pulmonology)
6410 FANNIN ST STE 500
HOUSTON, TX 77030
Pediatrics (Pediatric Pulmonology)
6410 FANNIN ST STE 500
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 Mary Grace Chiu's NPI number?

The NPI number for Mary Grace Chiu is 1134819170. It was assigned to this individual provider in the NPPES registry on May 12, 2023.

Where is Mary Grace Chiu located?

Mary Grace Chiu practices at 6410 Fannin St Ste 500, Houston, TX 77030. The listed phone number is (713) 500-5800.

What is Mary Grace Chiu's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mary Grace Chiu enrolled in Medicare?

Yes. Mary Grace Chiu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Grace Chiu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Grace Chiu reassigns Medicare benefits to Ut Physicians (Houston, 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 Mary Grace Chiu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Grace Chiu accept?

Health plans from Oscar Insurance Company list Mary Grace Chiu 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 Mary Grace Chiu was last updated on June 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.