Summary

Dr. Stephen Hornyak is a surgical oncologist with an impressive 52 years of experience treating cancer patients. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at the prestigious Memorial Sloan Kettering Cancer Center, one of the nation's leading cancer treatment facilities. His dual expertise in general surgery and surgical oncology allows him to provide comprehensive care for patients facing complex cancer diagnoses.

Dr. Hornyak practices at Richmond University Medical Center and Staten Island University Hospital in Staten Island, New York. He focuses on treating patients with obesity and weight-related conditions, as well as managing high cholesterol in both adults and young patients. His surgical expertise includes advanced techniques in cancer treatment, and he incorporates physical therapy approaches into patient care when appropriate. Patients consistently rate Dr. Hornyak highly for his care, giving him an average rating of 5.0.
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AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 52 years of experience
  • Memorial Sloan Kettering Cancer Center
  • 3 written reviews
  • 2 specialties
  • 5 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Stephen William Hornyak has 2 locations

Staten Island University Hospital

475 Seaview AveStaten Island, NY 10305

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Dr. Stephen William Hornyak, MDDr. Joel A Ricci-Gorbea, MDDr. Raffaele Borriello, MDDr. Rony T. Elias, MD
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients
2.6 
4.4 
4.6 
52 Years of Experience 21 Years of Experience 45 Years of Experience 24 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks Spanish, English Speaks French, Arabic, English
Staten Island , NYFlushing , NYBrooklyn , NYMount Kisco , NY
Med School: Suny Downstate Medical Center College Of Medicine Med School: Ponce Health Sciences University School Of Medicine Med School: Suny Downstate Medical Center College Of Medicine Med School: American University Of Beirut Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Stephen William Hornyak

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Stephen William Hornyak has the following 2 specialties

Specialty Expertise

Dr. Stephen William Hornyak has the following 5 areas of expertise

  • Breast Surgery (Mammaplasty)
  • Colorectal Surgery
  • Laproscopic Surgery (Laparoscopy)
  • Surgical Oncology
  • Wounds and Injuries

Certifications, License, & Education

52 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Residency

Memorial Sloan Kettering Cancer Center

Medical School

Suny Downstate Medical Center College Of MedicineGraduated in 1974

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Frequently Asked Questions

How can I make an appointment with Dr. Stephen Hornyak?
You can find contact information for Dr. Stephen Hornyak here on Vitals.
Where is Dr. Stephen Hornyak's office located?
Dr. Stephen Hornyak's office is located at 355 Bard Ave, Staten Island, NY, 10310.
Which hospitals is Dr. Stephen Hornyak affiliated with?
Dr. Stephen Hornyak is affiliated with Richmond University Medical Center, Staten Island University Hospital, and Staten Island University Hospital South.
Does Dr. Stephen Hornyak accept my insurance?
You can see the insurance plans that Dr. Stephen Hornyak accepts on their Vitals profile.
Is Dr. Stephen Hornyak accepting new patients?
Dr. Stephen Hornyak has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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