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  • Surgery, Colorectal Surgery
  • 66 years of experience
  • Saint Catherine Of Siena Medical Center 50 Route 25a, Smithtown, NY 11787
  • (631) 862-3000

Brief Intro

Dr. Lieffrig graduated from the Katholieke Universiteit Leuven (Ku Leuven) Faculteit Geneeskunde in 1959. He works in Smithtown, NY and 1 other location and specializes in Surgery and Colorectal Surgery. Dr. Lieffrig is affiliated with Long Island Community Hospital.

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Education Background

RESIDENCY

Memorial Sloan Kettering Cancer Center

MEDICAL SCHOOL

Katholieke Universiteit Leuven (Ku Leuven) Faculteit Geneeskunde - 1959

Languages Spoken

  • English

Location & Hours

  • Suffolk Anesthesiology Assocs
  • 50 Route 25a, Smithtown, NY 11787

Specialties Treated

  • Surgery
  • Colorectal Surgery

Procedures Performed

  • Wound Care
  • Skin Surgery

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Meritain Health
  • UnitedHealthcare
  • Wellcare
  • Humana
  • EmblemHealth
  • Partners Health Plan
  • Fidelis Care (NY)
  • Mutual of Omaha
  • Integra
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  • Cancer 43
  • Cardiology, Heart & Vascular Surgery 31
  • Orthopedics 75
  • Neurology & Neurosurgery 60
  • Gastroenterology & GI Surgery 75
  • Pulmonology & Lung Surgery 91
  • Diabetes & Endocrinology 44
  • Children's Hospital 22
  • Urology 87
  • Psychiatry 103
  • Geriatrics 82
  • Rehabilitation 38
  • Obsterics & Gynecology 17
  • Ophthalmology 4
  • Ear, Nose & Throat 11
  • Rheumatology 2
  • Long Term Care 3
  • Maternity Care (Uncomplicated Pregnancy) 60