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Dr. William D. Armstrong, D.O.

Diagnostic Radiology Physician in Meridian, MS · enumerated 2005 · practices at Meridian Radiology Associates PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1770564411

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Registry record

Entity type Individual (Type 1)
Name Dr. William D. Armstrong
Credential D.O.
Sex Male
Practice address 1203 24th Ave, Meridian, MS, 39301
Phone (601) 693-5862
Fax (601) 693-9314
Enumeration date Nov 9, 2005
Last updated in NPPES Jan 6, 2011

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 13721 (MS) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
06857594 Medicaid MS -

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.

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Frequently asked questions

Where does William Armstrong practice?
The practice location on file with NPPES is in Meridian, MS. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Armstrong?
The National Provider Identifier (NPI) for William Armstrong is 1770564411, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-06.