Marc Armstrong, M.D.
Student in an Organized Health Care Education/Training Program · Aberdeen, SD
Marc Armstrong, M.D. is a student in an organized health care education/training program with a practice address in Aberdeen, South Dakota, and NPI 1326453556, issued on Jun 26, 2014. Check the license (South Dakota 10781, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Armstrong
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License numbers
- 10781 SD
TRN16984 FL
Self-reported in NPPES; status is on the state search - Practice location
- 305 S State St, Aberdeen, SD 57401
- Phone
- (605) 622-5100
- Enumerated
- Jun 26, 2014
- Entity
- Type 1 · individual
Also registered at 305 S State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melchor Aguilar, MDDiagnostic Radiology Physician1811931702
- Christopher Albrecht, PTPhysical Therapist1427436799
- Laura Anderson, OTR/LOccupational Therapist1659703668
- Stacy Anderson, PHARMDPharmacotherapy Pharmacist1942824701
- Deptmer Ashley, M.D.Pulmonary Disease Physician1780119669
- Jennifer Barnes, LCSW-PIPClinical Social Worker1336392372
Verify Marc Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 10781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
41% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
286 Medicare Part D claims for 204 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 52 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen31 claims
- Methylprednisolone25 claims
- Ondansetron Odt22 claims
- Prednisone21 claims
- Nitrofurantoin Mono-Macro17 claims
- Cyclobenzaprine Hcl14 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.
No measured Medicare quality score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
14 student in an organized health care education/training program records list a Aberdeen practice address
They are 14 of the 758 NPPES records with a Aberdeen practice address, and 487 student in an organized health care education/training program records in South Dakota.
All 14 in Aberdeen → All 487 in South Dakota → Every provider in Aberdeen →
Other student in an organized health care education/training program records in South Dakota
- Jeremy Aal, MDRapid City, SD1932954906
- Ayesha Abbas, MDSioux Falls, SD1598555179
- Ahmed Abd ElazimSioux Falls, SD1285157065
- James Abdo, MDSioux Falls, SD1104312842
- Backer Abdu, MDSioux Falls, SD1306366760
- Adeem Abdulwahab, M.DSioux Falls, SD1720432073
- Heather AbelsSioux Falls, SD1508497678
- Sara Aboelmaaty, MDSioux Falls, SD1407797533
- Mohamad Abou Merhi Saifeddine, MDSioux Falls, SD1588049084
- Ghaith Aboud, M.DWatertown, SD1497117618
Common questions
What is Marc Armstrong, M.D.'s NPI number?
Marc Armstrong, M.D.'s National Provider Identifier (NPI) is 1326453556, issued on Jun 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marc Armstrong, M.D. located?
The NPPES record lists a practice address at 305 S State St, Aberdeen, SD, 57401. Phone: (605) 622-5100. Providers update this record themselves, so call before visiting.
How can I verify Marc Armstrong, M.D.'s license?
NPPES lists South Dakota license number 10781, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Marc Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Marc Armstrong, M.D. had 286 Medicare Part D claims for 204 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.
What is Marc Armstrong, M.D.'s Medicare quality score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.