Skip to main content

Dr. Hammer is on Doximity

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

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Hammer's full profile

Already have an account?

  • Office

    4416 Foxhall Lane
    Springfield, IL 62711
    Phone+1 217-801-4115

Education & Training

  • Southern Illinois University
    Southern Illinois UniversityResidency, Surgery, 1976 - 1981
  • Southern Illinois University School of Medicine
    Southern Illinois University School of MedicineClass of 1976

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1977 - 2026
  • CO State Medical License
    CO State Medical License 1994 - 2007
  • IA State Medical License
    IA State Medical License 1991 - 1991
  • American Board of Obesity Medicine Obesity Medicine

Awards, Honors, & Recognition

  • Fellow (FACS) American College of Surgeons

Professional Memberships