Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Bruce Wayne Callahan, MPAS
Physician Assistant in Apo, AP · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598806762
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Registry record
Entity type Individual (Type 1)
Name Mr. Bruce Wayne Callahan
Credential MPAS
Sex Male
Practice address 51st Medical Group, Unit 2060, Apo, AP, 96278
Phone (111) 222-3333
Enumeration date Feb 9, 2007
Last updated in NPPES Oct 9, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0110-001980 (VA) 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
What is the NPI number for Bruce Callahan?
The National Provider Identifier (NPI) for Bruce Callahan is 1598806762, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bruce Callahan practice?
The practice location on file with NPPES is in Apo, AP. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Carrie Gregory Emergency Medicine Physician · Apo, AP NPI 1225028368 Stephen Simpson Optometrist · Apo, AP NPI 1629056726 Thomas Edmonson General Practice Dentistry · Apo, AP NPI 1467423103 Eunyoung Ra Clinical Social Worker · Apo, AP NPI 1851343891 Tracy Golliday-Corley Clinical Social Worker · Apo, AP NPI 1154545762 Changeun Song Dentist · Apo, AP NPI 1215183371 Anthony Gale Psychiatry Physician · Apo, AP NPI 1639406374 Shauna-Leigh Baxa Pharmacist · Apo, AP NPI 1487900916
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-09.