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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Stelios Viennas is Good. Dr. Viennas has been reviewed by 13 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 3.2
Courteous Staff 3.4
Accurate Diagnosis 4.8
Bedside Manner 4.3
Spends Time with Me 4.7
Follows Up After Visit 4.0

Specialties & Research

  • He has special expertise in 5 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis

Education & Awards

Dr. Viennas graduated from New York Medical College, Valhalla. He has 2 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2015)
Castle Connolly's Top Doctors™ (2013)


Dr. Viennas has 10 hospital affiliations:

  • St Vincent's Midtown Hospital 
  • Mt Sinai Hospital 


  • Croatian
  • Greek
  • Spanish
  • Italian

> > > > Dr. Stelios Viennas, MD

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Additional Information
Dr. Stelios DR Viennas MD is a male Internist, has 19 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Stelios D. Viennas practice?
Dr. Stelios Viennas has 2 office locations.
Dr. Stelios Viennas practices Internal Medicine and Rheumatology near Astoria, NY.
Additional practice locations include: New York, NY.
See Astoria Internists and Astoria Rheumatologists.