Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
April Callister, PA-C
Physician Assistant in Portland, OR · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124861315
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Registry record
Entity type Individual (Type 1)
Name April Callister
Credential PA-C
Sex Female
Practice address 501 N Graham St Ste 220, Portland, OR, 97227
Phone (503) 413-6200
Enumeration date Jun 15, 2024
Last updated in NPPES Aug 22, 2024
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA221245 (OR) 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 April Callister practice?
The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for April Callister?
The National Provider Identifier (NPI) for April Callister is 1124861315, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Shane Smith Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Portland, OR NPI 1093177198 Sodasavanh Khamsoukthavong Clinical Nurse Specialist · Portland, OR NPI 1508212283 Christine Lasich Nurse Practitioner · Portland, OR NPI 1649799032 Alexander Fong Acute Care Nurse Practitioner · Portland, OR NPI 1033880901
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-22.