Skip to main content
Sinclair Armstrong Jr., MD, Urology, Fort Smith, AR

SinclairWArmstrongJr.MD

Urology Fort Smith, AR

Physician

Dr. Armstrong is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Armstrong's full profile

Already have an account?

Education & Training

  • SUNY Downstate Health Sciences University
    SUNY Downstate Health Sciences UniversityResidency, Urology, 1973 - 1976
  • Montefiore Medical Center/Albert Einstein College of Medicine
    Montefiore Medical Center/Albert Einstein College of MedicineResidency, Surgery, 1971 - 1972
  • SUNY Downstate Health Sciences University
    SUNY Downstate Health Sciences UniversityInternship, Transitional Year, 1970 - 1971
  • University of Oklahoma College of Medicine
    University of Oklahoma College of MedicineClass of 1970

Certifications & Licensure

  • AR State Medical License
    AR State Medical License 1976 - 2021
  • OK State Medical License
    OK State Medical License 1971 - 2007