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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOYCELYN ASHBY CORNTHWAITE MS, RD, LD, CDCES
NPI 1285808717
Dietitian, Registered in Houston, TX

Active since April 16, 2008
6431 FANNIN ST # 3.286, HOUSTON, TX 77030(832) 325-7205(713) 486-0881 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Joycelyn Ashby Cornthwaite Ms, Rd, Ld, Cdces NPPES

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

JOYCELYN ASHBY CORNTHWAITE MS, RD, LD, CDCES (NPI 1285808717) is an individual dietitian, registered in Houston, Texas, licensed in Texas (DT83342) and active in the NPI registry since April 2008.

NPPES Registry Identity

NPI1285808717
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameJOYCELYN ASHBY CORNTHWAITECredential: MS, RD, LD, CDCES
Location Address6431 FANNIN ST # 3.286Houston, TX 77030-1501
Mailing Address6431 Fannin St # 3.286Houston, TX 77030-1501 · (832) 325-7205 · Fax (713) 486-0881
Phone(832) 325-7205
Fax(713) 486-0881
Sole ProprietorYes
Enumeration DateApril 16, 2008
Last NPPES UpdateSeptember 11, 2026
NPPES CertifiedSeptember 11, 2026
✔ NPI 1285808717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in TX · DT83342
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
6431 FANNIN ST # 3.286, Houston, TX 77030
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joycelyn Ashby Cornthwaite Ms, Rd, Ld, Cdces is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Joycelyn Cornthwaite reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ut Physicians
0.1 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325

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 2

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

DR. JULIE FARUGIA GUTIERREZ M.D.
Obstetrics & Gynecology
6431 FANNIN ST # 3.286
HOUSTON, TX 77030
Harris County (713) 500-7780
DR. FARANAK BEHNIA M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
6431 FANNIN ST # 3.286
HOUSTON, TX 77030
Harris County (713) 500-7780

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 Joycelyn Cornthwaite's NPI number?

The NPI number for Joycelyn Cornthwaite is 1285808717. It was assigned to this individual provider in the NPPES registry on April 16, 2008.

Where is Joycelyn Cornthwaite located?

Joycelyn Cornthwaite practices at 6431 Fannin St # 3.286, Houston, TX 77030. The listed phone number is (832) 325-7205.

What is Joycelyn Cornthwaite's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Joycelyn Cornthwaite enrolled in Medicare?

Yes. Joycelyn Cornthwaite is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joycelyn Cornthwaite's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joycelyn Cornthwaite 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 Joycelyn Cornthwaite's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joycelyn Cornthwaite accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Joycelyn Cornthwaite 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 Joycelyn Cornthwaite was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.