Registry data as of Aug 27, 2026

Charles Armstrong, M.D.

Diagnostic Radiology Physician · West Plains, MO

Charles Armstrong, M.D. is a diagnostic radiology physician with a practice address in West Plains, Missouri, and NPI 1194890467, issued on Nov 22, 2006. Check the license (Missouri R6B28, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194890467
Name
Charles Armstrong
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
R6B28 MO
Self-reported in NPPES; status is on the state search
Practice location
3102 Independence Square, West Plains, MO 65775
Phone
(417) 257-7451
Enumerated
Nov 22, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3102 Independence Square

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kailash Tarneja, M.D.Diagnostic Radiology Physician1417022781

Verify Charles Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R6B28
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

82% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

12 Medicare Part D claims, against an average of 68 among the 2,907 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Charles Armstrong12
  2. Specialty average68

Most prescribed

  1. Acyclovir11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Diagnostic Radiology Physician providers in Missouri

There are 945 diagnostic radiology physician records in Missouri.

Other diagnostic radiology physician records in Missouri

  1. Mohammed Abbas, M.D.Fenton, MO1306057310
  2. Archana Abhyankar, MDChesterfield, MO1477710051
  3. Daniel Abodeely, M.D.Saint Louis, MO1578554762
  4. Shepherd Abrams, M.D.Saint Louis, MO1518941335
  5. Natasha Acosta, MDKansas City, MO1447288253
  6. Baron Adkins, D.O.Osage Beach, MO1992754147
  7. Ankita Aggarwal, MDSaint Louis, MO1316837701
  8. Mustaq Ahmad, M.D.Kansas City, MO1912911777
  9. Tabassum Ahmad, MDSaint Louis, MO1134296916
  10. Humera Ahsan, M.D.Columbia, MO1114157443

Common questions

What is Charles Armstrong, M.D.'s NPI number?

Charles Armstrong, M.D.'s National Provider Identifier (NPI) is 1194890467, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Armstrong, M.D. located?

The NPPES record lists a practice address at 3102 Independence Square, West Plains, MO, 65775. Phone: (417) 257-7451. Providers update this record themselves, so call before visiting.

How can I verify Charles Armstrong, M.D.'s license?

NPPES lists Missouri license number R6B28, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Armstrong, M.D. prescribe under Medicare Part D?

In 2024, Charles Armstrong, M.D. had 12 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 68. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.