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 (7)

The overall average patient rating of Dr. Rachel Oosterbaan, Internist is Good. Dr. Oosterbaan has been reviewed by 33 patients who have provided 7 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.4
Courteous Staff 4.1
Accurate Diagnosis 3.1
Bedside Manner 3.1
Spends Time with Me 3.3
Follows Up After Visit 2.8

Specialties & Research

Dr. Rachel Oosterbaan, MD is board certified in Internal Medicine.

  • She has special expertise in 7 areas:
  • Colon Cancer
  • Diabetes
  • Endocrine Disorders
  • Endocrinology
  • Sports Medicine
  • Thyroid Diseases
  • Women's Health

Education & Awards

Dr. Oosterbaan graduated from Wayne State University, Detroit. She has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Oosterbaan has 4 hospital affiliations:

  • Northwestern Lake Forest Hospital 
  • Northwestern Memorial Hospital 


  • French
  • Italian

> > > > Dr. Rachel Oosterbaan, MD

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Additional Information
Dr. Rachel Danielle Oosterbaan MD is a female Internist, has 16 years of experience and practices in Internal Medicine.
Where does Dr. Rachel D. Oosterbaan practice?
Dr. Rachel Oosterbaan has 3 office locations.
Dr. Rachel Oosterbaan practices Internal Medicine near Lake Forest, IL.
Additional practice locations include: Chicago, IL.
See Lake Forest Internists.