Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Caitlin Jayne Thornley, MD
Surgery Physician in Houston, TX · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316397003
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Registry record
Entity type Individual (Type 1)
Name Caitlin Jayne Thornley
Credential MD
Sex Female
Practice address 6411 Fannin St # J1-400, Houston, TX, 77030
Phone (713) 704-5200
Enumeration date Jun 14, 2016
Last updated in NPPES Jul 17, 2025
Taxonomy & licenses
204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License A185715 (CA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Caitlin Thornley practice?
The practice location on file with NPPES is in Houston, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Caitlin Thornley?
The National Provider Identifier (NPI) for Caitlin Thornley is 1316397003, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-17.