Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Brandon T Armstrong, OD
Optometrist in Greenwood, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598856999
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Registry record
Entity type Individual (Type 1)
Name Mr. Brandon T Armstrong
Credential OD
Sex Male
Practice address 2020 S State Road 135, Greenwood, IN, 46143
Phone (317) 887-2800
Fax (317) 300-0078
Enumeration date Sep 28, 2006
Last updated in NPPES Apr 11, 2019
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P00254185 | Other | IN | PALMETTO GBA RR MEDICARE |
| 000000366753 | Other | IN | ANTHEM |
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 Brandon Armstrong practice?
The practice location on file with NPPES is in Greenwood, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brandon Armstrong?
The National Provider Identifier (NPI) for Brandon Armstrong is 1598856999, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-11.