Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew Don Armstrong, D.C.
Chiropractor in Allen, TX · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659685816
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew Don Armstrong
Credential D.C.
Sex Male
Practice address 915 W Exchange Pkwy Ste 260, Allen, TX, 75013
Phone (800) 404-6050
Fax (866) 313-3397
Enumeration date Jul 29, 2010
Last updated in NPPES Feb 20, 2026
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 11528 | Other | TX | CHIROPRACTIC LICENSE |
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 Matthew Armstrong?
The National Provider Identifier (NPI) for Matthew Armstrong is 1659685816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Armstrong practice?
The practice location on file with NPPES is in Allen, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-20.