Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexandra Siojo, FNP-C
Nurse Practitioner in Killeen, TX · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1083083885
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Registry record
Entity type Individual (Type 1)
Name Alexandra Siojo
Credential FNP-C
Sex Female
Practice address 2201 S Clear Creek Rd, Killeen, TX, 76549
Phone (210) 616-1691
Enumeration date Sep 22, 2015
Last updated in NPPES Apr 18, 2023
Taxonomy & licenses
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP129099 (TX) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP129099 (TX) Primary
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 Alexandra Siojo practice?
The practice location on file with NPPES is in Killeen, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alexandra Siojo?
The National Provider Identifier (NPI) for Alexandra Siojo is 1083083885, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Fayza El-Sissy Clinical Pathology/Laboratory Medicine Physician · Killeen, TX NPI 1154323152 Phillip Day Clinical Pathology/Laboratory Medicine Physician · Killeen, TX NPI 1538151659 Ann Baylor Obstetrics & Gynecology Physician · Killeen, TX NPI 1659364461 Michael Mwasumbi Certified Registered Nurse Anesthetist · Killeen, TX NPI 1306832514 Warren Voegele Certified Registered Nurse Anesthetist · Killeen, TX NPI 1558359281 Patricia Castilleja Certified Registered Nurse Anesthetist · Killeen, TX NPI 1932197746 Robert Syler Certified Registered Nurse Anesthetist · Killeen, TX NPI 1942298765 Kim Weber Certified Registered Nurse Anesthetist · Killeen, TX NPI 1972591626
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-18.