GRISSET RIVERA DIAZ M.D.
NPI 1235361999
Pediatrics in Sugar Land, TX

Active since August 13, 2009PECOS Enrolled
15551 SOUTHWEST FWY, SUGAR LAND, TX 77478(281) 325-1010 Get Directions Write a Review

NPPES record last updated: March 21, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Grisset Rivera Diaz M.d. NPPES

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

GRISSET RIVERA DIAZ M.D. (NPI 1235361999) is an individual pediatrics provider in Sugar Land, Texas, licensed in Texas (P3965) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235361999
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameGRISSET RIVERA DIAZCredential: M.D.
Location Address15551 SOUTHWEST FWYSugar Land, TX 77478-3830
Mailing Address15551 Southwest FwySugar Land, TX 77478-3830 · (281) 325-1010
Sole ProprietorNo
Enumeration DateAugust 13, 2009
Last NPPES UpdateMarch 21, 2013
NPI 1235361999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses Licensed in TX · P3965 Licensed in FL · ME113359
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.

15551 SOUTHWEST FWY, Sugar Land, TX 77478

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Grisset Rivera Diaz 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77478 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 11

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

Nurse Practitioner (Family)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Pediatrics
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Clinic/Center (Urgent Care)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Nurse Practitioner (Family)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Nurse Practitioner (Family)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Nurse Practitioner (Pediatrics)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Clinic/Center (Urgent Care)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478
Clinic/Center (Urgent Care)
15551 SOUTHWEST FWY
SUGAR LAND, TX 77478

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 Grisset Rivera Diaz's NPI number?

The NPI number for Grisset Rivera Diaz is 1235361999. It was assigned to this individual provider in the NPPES registry on August 13, 2009.

Where is Grisset Rivera Diaz located?

Grisset Rivera Diaz practices at 15551 Southwest Fwy, Sugar Land, TX 77478. The listed phone number is (281) 325-1010.

What is Grisset Rivera Diaz's specialty?

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

Is Grisset Rivera Diaz enrolled in Medicare?

Yes. Grisset Rivera Diaz is registered in the Medicare PECOS enrollment system.

What insurance does Grisset Rivera Diaz accept?

Health plans from Providence Health Plan list Grisset Rivera Diaz 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 Grisset Rivera Diaz was last updated on March 21, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.