Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lina Maria Ayala Castro, MD
Pediatrics Physician in Denver, CO · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033850573
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Registry record
Entity type Individual (Type 1)
Name Lina Maria Ayala Castro
Credential MD
Sex Female
Practice address 5680 N Tower Rd Ste 120, Denver, CO, 80249
Phone (720) 734-8816
Fax (720) 405-4454
Enumeration date Apr 6, 2022
Last updated in NPPES May 5, 2025
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License DR0074793 (CO) Primary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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 Lina Ayala Castro practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lina Ayala Castro?
The National Provider Identifier (NPI) for Lina Ayala Castro is 1033850573, 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 2025-05-05.