Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Usama Nasir, OD
Optometrist in Bristow, VA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174257869
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Registry record
Entity type Individual (Type 1)
Name Dr. Usama Nasir
Credential OD
Sex Male
Practice address 10338 Bristow Center Dr, Bristow, VA, 20136
Phone (703) 392-1010
Fax (703) 392-4975
Enumeration date Jul 11, 2022
Last updated in NPPES Mar 3, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Usama Nasir?
Usama Nasir is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Paul Colbourne Optometrist · Bristow, VA NPI 1134286974 Associates in Eyecare Bristow PC Corneal and Contact Management Optometrist · Bristow, VA NPI 1972786234 Bryan Lewis Optometrist · Bristow, VA NPI 1760876510 Patricia Clubb Optometrist · Bristow, VA NPI 1518493451 Myeyedr Optometry of Virginia, Pllc Optometrist · Bristow, VA NPI 1932865730 Marya Siddiq Optometrist · Bristow, VA NPI 1750130035
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-03.