Summary

Dr. Robert Bayer treats fecal incontinence, postpartum fecal incontinence, and neutropenia, and practices oncology and internal medicine. He has been in practice for 42 years and is affiliated with Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Valley West Hospital, and Northwestern Memorial Hospital.

Dr. Bayer earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency at the University of Illinois College of Medicine at Chicago. He sees patients in DeKalb and Chicago, Illinois. Patients on Vitals rate Dr. Bayer 4.91 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 42 years of experience
  • speaks English
  • University of Illinois College of Medicine at Chicago
  • 5 written reviews
  • 2 specialties
  • 25 areas of expertise
  • 3 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Robert Arthur Bayer has 5 locations

Northwestern Medicine Kishwaukee Hospital Cancer Center

10 Health Services DrDeKalb, IL 60115
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

KishHealth System Cancer Center

10 Health Services Dr Ste 200DeKalb, IL 60115

Northwestern Medicine Regional Medical Group

1310 N Main StSandwich, IL 60548
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
ThuClosed
FriClosed
SatClosed
SunClosed

Northwestern Medicine Kishwaukee Hospital

1 Kish Hospital DrDekalb, IL 60115

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Dr. Robert Arthur Bayer, MD
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Dr. Robert Arthur Bayer, MDDr. Stephen Robert Holtsford, MDDr. Leo Gutt, MDDr. Delin Wang, MD
OncologyEmergency MedicineAllergy & ImmunologyNephrology
Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.2 
4.4 
5 
42 Years of Experience 33 Years of Experience 43 Years of Experience 15 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
DeKalb , ILGeneva , ILElgin , ILMount Prospect , IL
Med School: Northwestern University Feinberg School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine Med School: Medical College Of Wisconsin Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Robert Arthur Bayer

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Robert Arthur Bayer has the following 2 specialties

Specialty Expertise

Dr. Robert Arthur Bayer has the following 25 areas of expertise

  • Acute Myeloid Leukemia
  • Adult T-Cell Leukemia-Lymphoma
  • Blood Cancer
  • Blood Disorders
  • Bone Marrow Transplant
  • Breast Cancer
  • Cancer
  • Chemotherapy
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Clinical Research
  • Deep Vein Thrombosis
  • Epidemiology
  • Gastrointestinal Cancer
  • Gene Therapy
  • Genetics
  • Hepatitis C
  • Hodgkin's Lymphoma
  • Internal Medicine
  • Leukemia
  • Lung Cancer
  • Lymphoma
  • Myelofibrosis
  • Myeloma
  • Patient Care

Certifications, License, & Education

42 Years Experience

Dr. Robert Arthur Bayer holds an expired medical license in the state of Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Residency

Completed their residency at University of Illinois College of Medicine at Chicago.

Medical School

Graduated from Northwestern University Feinberg School Of Medicine in 1984.

NPI Number

Dr. Bayer's NPI number is 1669527818.

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Frequently Asked Questions

Is Dr. Robert Bayer accepting new patients?
Dr. Robert Bayer is accepting new patients on Vitals. View Dr. Robert Bayer's profile on Vitals to make an appointment.
Where is Dr. Robert Bayer's office located?
Dr. Robert Bayer's office is located at 10 Health Services Dr, DeKalb, IL, 60115.
How can I make an appointment with Dr. Robert Bayer?
You can find contact information for Dr. Robert Bayer here on Vitals.
Does Dr. Robert Bayer accept virtual/telehealth appointments?
Dr. Robert Bayer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Robert Bayer accept my insurance?
You can see the insurance plans that Dr. Robert Bayer accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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