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Stephen Armstrong, MD
NPI 1972546786 · Rheumatology Physician · Springfield, MO
Stephen Armstrong, MD is a Rheumatology Physician provider in Springfield, MO (NPI 1972546786).
Provider details
- NPI number
- 1972546786
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R3B24 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3555 S National
Springfield, MO 65807
Phone: (417) 875-3000
Street-level locationGet directions
Mailing address
3555 S National
Springfield, MO 65807
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2016-02-10
Frequently asked questions
- What is Stephen Armstrong's NPI number?
- Stephen Armstrong's National Provider Identifier (NPI) is 1972546786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Armstrong's specialty?
- Stephen Armstrong is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Armstrong located?
- Stephen Armstrong's practice location on file with NPPES is 3555 S National, Springfield, MO 65807.
- What is Stephen Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Stephen Armstrong is (417) 875-3000.
- Is Stephen Armstrong's NPI active?
- Yes — Stephen Armstrong's NPI (1972546786) is active in the NPPES registry as of the last update on 2016-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.