Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Krystal Ryan Cook
Registered Nurse in Houston, TX · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629534615
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Registry record
Entity type Individual (Type 1)
Name Krystal Ryan Cook
Sex Female
Practice address 1155 Dairy Ashford Rd Ste 209, Houston, TX, 77079
Phone (713) 799-2200
Enumeration date Feb 14, 2019
Last updated in NPPES Nov 19, 2020
Taxonomy & licenses
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 Krystal Cook 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 Krystal Cook?
The National Provider Identifier (NPI) for Krystal Cook is 1629534615, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-19.