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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (10)

The overall average patient rating of Dr. Douglas Merkel is Excellent. Dr. Merkel has been reviewed by 29 patients who have provided 10 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.4
Courteous Staff 4.5
Accurate Diagnosis 4.7
Bedside Manner 4.4
Spends Time with Me 4.4
Follows Up After Visit 4.4

Specialties & Research

Dr. Douglas Merkel, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 5 areas:
  • Breast Cancer
  • Cancer
  • Clinical Research
  • Epidemiology
  • Metastatic Breast Cancer

Education & Awards

Dr. Merkel graduated from Northwestern University, Chicago. He has 7 awards.

Patients' Choice 5th Anniversary Award (2012)
Patients' Choice Award (2008 - 2012, 2014 - 2015)
Compassionate Doctor Award - 5 Year Honoree (2014 - 2015)
Compassionate Doctor Recognition (2010 - 2015)
Top 10 Doctor - Metro Area (2014)
Chicago Metro Area
Medical Oncologist
Top 10 Doctor - State (2014)
Medical Oncologist
On-Time Doctor Award (2014 - 2015)


Dr. Merkel has 6 hospital affiliations:

  • Evanston Hospital 
  • Skokie Hospital 


  • Spanish
  • English

> > > > Dr. Douglas Merkel, MD

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Additional Information
Dr. Douglas Edward Merkel MD is a male Internist, has 31 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Douglas E. Merkel practice?
Dr. Douglas Merkel has 1 office location.
Dr. Douglas Merkel practices Internal Medicine and Medical Oncology near Evanston, IL.
See Evanston Internists and Evanston Oncologists.