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. Venkata Laxmi Narsimha Vamsi Buddharaju, MDDr. Gowhar Ahmed Khan, MDDr. Philip Nagel, MD
OncologyNephrologyRheumatologyInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
0 
3.7 
1.8 
42 Years of Experience 17 Years of Experience 49 Years of Experience 52 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Russian, Spanish Speaks English, Spanish
DeKalb , ILCrystal Lake , ILAurora , ILLake Barrington , IL
Med School: Northwestern University Feinberg School Of Medicine Med School: Gandhi Medical College Secunderabad Med School: Government Medical College Srinagar Med School: Perelman School Of Medicine At University Of Pennsylvania
Current Profile
View Profile View Profile View Profile

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

What languages does Dr. Robert Bayer speak?
Dr. Robert Bayer speaks English.
Which hospitals is Dr. Robert Bayer affiliated with?
Dr. Robert Bayer is affiliated with Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Valley West Hospital, and Northwestern Memorial Hospital.
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.
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.
Where is Dr. Robert Bayer's office located?
Dr. Robert Bayer's office is located at 10 Health Services Dr, DeKalb, IL, 60115.

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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