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KRISTY LYNN RIALON M.D.
NPI 1275792962
Surgery - Pediatric Surgery in Houston, TX

Active since June 06, 2008PECOS EnrolledAccepts Medicare Assignment
6701 FANNIN ST, HOUSTON, TX 77030(832) 824-1000 Get Directions Write a Review

NPPES record last updated: February 22, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 22, 2023, Oct 16, 2018, Mar 17, 2018 (3 updates tracked since 2018).

About Kristy Lynn Rialon M.d. NPPES

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

KRISTY LYNN RIALON M.D. (NPI 1275792962) is an individual pediatric surgery provider in Houston, Texas, licensed in Texas (R8200) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Durham, and is a graduate of Harvard Medical School (2008).

NPPES Registry Identity

NPI1275792962
Entity TypeIndividualFemale
Primary Taxonomy2086S0120X
Provider Legal NameKRISTY LYNN RIALONCredential: M.D.
Location Address6701 FANNIN STHouston, TX 77030-2608
Mailing Address6701 Fannin St Ste 1210Houston, TX 77030-2612 · (832) 824-1000
Phone(832) 824-1000
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2008
Enumeration DateJune 6, 2008
Last NPPES UpdateFebruary 22, 20233 updates tracked since enumeration
NPPES CertifiedFebruary 22, 2023
✔ NPI 1275792962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
Licenses✔ Licensed in TX · R8200✔ Licensed in NC · 2016-02436
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
6701 FANNIN ST, Houston, TX 77030
Open in Google Maps ↗

Other Names 1

Former Name (1)Kristy Rialon Guevara Md

Secondary Practice Location 1

Location 1M148 Davison Building, Trent DriveDurham, NC 27710-0001 · Phone (919) 684-8565

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Moda Health Plan, Inc..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

Kristy Lynn Rialon 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.

PECOS PAC ID1557611167
PECOS Enrollment IDI20180831001204
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 Kristy Rialon 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
0.1 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
Baylor College Of Medicine
0.2 mi
Internal Medicine
6620 MAIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
NPI 1104867175 (713) 798-2500

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.

SONIA ANN MONTEIRO MD
Pediatrics (Developmental - Behavioral Pediatrics)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
MEENAKSHI G HEGDE MD
Pediatrics (Pediatric Hematology-Oncology)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
RYANN HATTORI CRNA
Nurse Anesthetist, Certified Registered
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
LAUREN WILSON CASEY PNP-AC
Nurse Practitioner
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
JACK DAVID MCGOWAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000
MRS. TINA BRADSHAW PNP
Nurse Practitioner
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 822-1764
DR. GARY DAVID CLARK MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 822-5046
VERONICA A. VICTORIAN PA
Physician Assistant
6701 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 824-1000

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 Kristy Rialon's NPI number?

The NPI number for Kristy Rialon is 1275792962. It was assigned to this individual provider in the NPPES registry on June 6, 2008. The provider is also known as Kristy Rialon Guevara MD.

Where is Kristy Rialon located?

Kristy Rialon practices at 6701 Fannin St, Houston, TX 77030. The listed phone number is (832) 824-1000.

What is Kristy Rialon's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Kristy Rialon enrolled in Medicare?

Yes. Kristy Rialon 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 Kristy Rialon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristy Rialon reassigns Medicare benefits to 2 organizations: Texas Children's Physician Group (Houston, TX) and Baylor College Of Medicine (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 Kristy Rialon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristy Rialon accept?

Health plans from Baylor Scott and White Health Plan and Moda Health Plan, Inc. list Kristy Rialon 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 Kristy Rialon was last updated on February 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.