Stephen D Armstrong, MD

Stephen D Armstrong is a Rheumatology Physician provider (Internal Medicine) practicing in Springfield, MO, registered in the NPPES registry with NPI 1972546786 since 2006. The credential MD stands for Doctor of Medicine.

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NPI	1972546786
Entity type	Individual (Type 1)
Name	Stephen D Armstrong
Credential	MD
Sex	Male
Practice address	3555 S NATIONAL, Springfield, MO, 65807
Phone	4178753000
Enumeration date	2006-06-13
Last updated in NPPES	2016-02-10

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207RR0500X	Rheumatology Physician	Primary	R3B24	MO

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
107070	Other	—	BLUE CROSS/BLUE SHIELD
201523107	Medicaid	MO	—

Copy-ready billing details

Provider: Stephen Armstrong, MD
NPI: 1972546786
Taxonomy: 207RR0500X (Rheumatology Physician)
Address: 3555 S NATIONAL, Springfield, MO, 65807

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1528077955	David Schippert	Individual	Orthopaedic Hand Surgery Physician	Springfield, MO

Verify this record

Cross-check NPI 1972546786 against the authoritative CMS record: view Stephen D Armstrong on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Stephen Armstrong?

The National Provider Identifier (NPI) for Stephen Armstrong is 1972546786, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Armstrong practice?

The practice location on file with NPPES is in Springfield, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-02-10.