Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Catherine Cecilia Fitzgerald, DO
Hospitalist Physician in Denver, CO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336276906
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Registry record
Entity type Individual (Type 1)
Name Dr. Catherine Cecilia Fitzgerald
Credential DO
Sex Female
Practice address 1719 E 19th Ave, Denver, CO, 80218
Phone (303) 338-4545
Enumeration date Feb 28, 2007
Last updated in NPPES May 18, 2026
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 41560 (CO) Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License DR.0041560 (CO) Primary
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
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 015287 | Other | - | KAISER-COMMERCIAL NUMBER |
| 66739527 | Medicaid | CO | - |
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
What is the NPI number for Catherine Fitzgerald?
The National Provider Identifier (NPI) for Catherine Fitzgerald is 1336276906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Catherine Fitzgerald practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-18.