Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. John Catania, D.O.
Optician in Lone Tree, CO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902949639
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Registry record
Entity type Individual (Type 1)
Name Mr. John Catania
Credential D.O.
Sex Male
Practice address 9227 E Lincoln Ave Ste 300, Lone Tree, CO, 80124
Phone (303) 858-8474
Fax (303) 858-0200
Enumeration date Feb 14, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO 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 John Catania practice?
The practice location on file with NPPES is in Lone Tree, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Catania?
The National Provider Identifier (NPI) for John Catania is 1902949639, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.