Internal Medicine
MARC ARMSTRONG M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1326453556 · enumerated 2014-06-26 · record updated 2018-03-17. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address PO BOX 1460, ABERDEEN, SD, 57402-1460 (605) 622-2876 Fax (605) 622-2804 Google Maps Apple Maps OpenStreetMap
- Practice location 305 S STATE ST, ABERDEEN, SD, 57401-4527 (605) 622-5100 Fax (605) 622-4030 Google Maps Apple Maps OpenStreetMap
Specialties
- Student in an Organized Health Care Education/Training Program 390200000X · License TRN16984 FL
- Internal Medicine 207R00000X · Primary · License 10781 SD
In this directory
Locations and evidence
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Practice location
ABERDEEN, SD, 574014527
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.