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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).

Learn more about Dr. Nicolaj Andersen:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Nicolaj Andersen is Excellent. Dr. Andersen has been reviewed by 1 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Nicolaj Andersen, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Andersen graduated from Kobenhavns Universitet.


Dr. Andersen has 2 hospital affiliations:

  • Kaiser Foundation Hospital - Santa Rosa 
  • Santa Rosa Medical Center 

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Additional Information
Dr. Nicolaj Andersen MD is a male Internist, has 14 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Nicolaj Andersen practice?
Dr. Nicolaj Andersen has 1 office location.
Dr. Nicolaj Andersen practices Internal Medicine and Medical Oncology near Santa Rosa, CA.
See Santa Rosa Internists and Santa Rosa Oncologists.