Joycelyn Ashby Cornthwaite, MS, RD, LD, CDCES

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

DT83342 Issued in TX

Practice address

6431 Fannin St # 3.286
Houston, TX 77030-1501

Phone

(832) 325-7205

Fax

(713) 486-0881

NPI assigned

Apr 16, 2008

Last updated

Sep 11, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Ut Physicians

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1033157821
  Medicare reassignment NPD
• Ut Physicians

  dba UT Health Services

  • Health Educator
  • Houston, TX
  • NPI 1316534472
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1208304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1285808717",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST # 3.286",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "832-325-7205",
            "fax_number": "713-486-0881"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST # 3.286",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "832-325-7205",
            "fax_number": "713-486-0881"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORNTHWAITE",
        "first_name": "JOYCELYN",
        "middle_name": "ASHBY",
        "credential": "MS, RD, LD, CDCES",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-04-16",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "TX",
            "license": "DT83342",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cornerstone RX Pharmacy
• Arthur Cornett, D.C.
• Jimmi C Cornett, RN-ANP
• Courtney Starr Cornette
• Yvette Myechia Cornish, LPC
• Cesar Corona Gutierrez, MD
• Erika Corona
• Hugo Alejandro Corona, MD
• Javier Agustin Corona, MSW
• Coronado Counseling Center- Clear Lake

• Registered Dietitian in Houston, TX
• Providers in Houston, TX by specialty
• Registered Dietitian in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.