Dr. Sinclair Armstrong MD
About this NPIWhat this record shows.
NPI 1861435752 is registered to Dr. Sinclair Armstrong MD, a Urology Physician practising at 7001 Rogers Ave in Fort Smith, Arkansas. Urology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Sinclair Armstrong MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Sinclair Armstrong MD accepts. To confirm in-network status with your specific health plan, contact Dr. Sinclair Armstrong MD directly at (479) 452-2077.
Frequently asked
Yes. NPI 1861435752 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Urology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (479) 452-2077.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Sinclair Armstrong MD is a Type-1 individual NPI.