OAK Surgical Institute's board-certified physicians take pride in providing each patient with exceptional care. All physicians participate in quarterly peer review to promote quality care and excellence. Assisting your surgeon are board-certified anesthesiologists and certified registered nurse anesthetists (CRNA). This team is supported by the safest and the most modern medical equipment available.

  • Photo: Wesley E. Choy, M.D.

    Specialty: Orthopedics
    Medical School: Loyola University Chicago Stritch School of Medicine
    Residency: Northwestern Memorial Hospital
    Fellowship: Northwestern Memorial Hospital
    Board Certification: American Board of Orthopaedic Surgery
    Special Interests: Orthopedic Doctor

  • Photo: Alexander E. Michalow, M.D.

    Specialty: Orthopedics
    Medical School: Rush University Medical College
    Residency: University of Miami/Jackson Memorial Medical Center
    Fellowship: Mount Sinai Medical Center
    Board Certification: American Board of Orthopaedic Surgery
    Special Interests: Orthopedic Doctor

  • Photo: Michael J. Corcoran, M.D.

    Specialty: Orthopedics, Sports Medicine
    Medical School: Southern Illinois University School of Medicine
    Residency: Michigan State University and University of Missouri School of Medicine
    Fellowship: American Sports Medicine Institute
    Board Certification: American Board of Orthopaedic Surgery
    Special Interests: Orthopedic Doctor

  • Photo: Rajeev D. Puri, M.D.

    Specialty: Orthopedics
    Medical School: The Ohio State University College of Medicine
    Residency: The Ohio State University College of Medicine
    Fellowship: Indiana Orthopedics and Hospital of the University of Pennsylvania
    Special Interests: Orthopedic Doctor

  • Photo: Carey E. Ellis, M.D.

    Specialty: Orthopedics, Sports Medicine
    Medical School: Keck School of Medicine of University of Southern California
    Residency: Kaiser Permanente Foundation Hospital
    Fellowship: The University of Oklahoma College of Medicine-Tulsa/Eastern Oklahoma Orthopedic Center
    Board Certification: American Board of Family Practice, Certificate of Added Qualifications in Sports Medicine
    Special Interests: Orthopedic Doctor

  • Photo: Eddie Jones Jr., M.D.

    Specialty: Orthopedics
    Medical School: Wayne State University School of Medicine
    Residency: Wayne State University School of Medicine
    Board Certification: American Board of Orthopaedic Surgery
    Special Interests: Orthopedic Trauma

  • Photo: Juan Santiago-Palma, M.D.

    Specialty: Spine and Pain Management
    Medical School: Francisco Marroquin University
    Residency: Albert Einstein College of Medicine, Montefiore Medical Center
    Fellowship: Harvard Medical School, Massachusetts General Hospital Department of Anesthesiology
    Board Certification: American Board of Medical Specialties, Pain Medicine; American Board of Medical Specialties, Physical Medicine and Rehabilitation; and American Academy of Hospice and Palliative Medicine
    Special Interests: Spine and Pain Management
    Languages Spoken: Spanish

  • Photo: Kermit Muhammad, M.D.

    Specialty: Orthopedic Hand Surgeon
    Medical School: Wake Forest School of Medicine
    Residency: Howard University Hospital
    Fellowship: University of Pittsburgh School of Medicine
    Board Certification: American Board of Orthopaedic Surgery, Subspecialty Certificate in Surgery of the Hand
    Special Interests: Orthopedic Hand Surgeon

  • Photo: Ashraf Hasan, M.D.

    Specialty: Spine, Pain Management, and Sports Medicine
    Medical School: Chicago Medical School
    Residency: University of Chicago/Schwab
    Board Certification: American Board of Pain Medicine, American Board of Physical Medicine and Rehabilitation, and Subspecialty Certificate in Sports Medicine
    Special Interests: Interventional Spine Medicine, Sports Medicine
    Languages Spoken: English, Urdu

  • Photo: Timothy J. Friedrich, D.P.M.

    Specialty: Podiatry
    Medical School: Dr. William M. Scholl College of Podiatric Medicine at Rosalind Franklin University of Medicine and Science
    Residency: Loyola Medicine
    Board Certification: American Board of Foot and Ankle Surgery 
    Specialty: Podiatrist

  • Photo: Tom Antkowiak, M.D., M.S.

    Specialty: Orthopedics, Arthroscopy (minimally invasive), Sports Medicine
    Medical School: Albany Medical College
    Residency: University of California, Davis Medical Center
    Fellowship: Southern California Orthopedic Institute
    Board Certification: American Board of Orthopaedic Surgery
    Special Interests: Orthopedic Doctor

  • Ryan Sullivan, M.D.

    Specialty: Hip, Joint Replacement, Joint Revision, Knee
    Medical School: Loyola University Chicago Stritch School of Medicine
    Residency: Loyola University Medical Center
    Fellowship: McGaw Medical Center of Northwestern University
    Special Interests: Adult Reconstruction