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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. Lois Nielsen:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Lois Nielsen is Average. Dr. Nielsen has been reviewed by 2 patients who have provided 0 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 4.3
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.0
Follows Up After Visit 4.3

Specialties & Research

Dr. Lois Nielsen, MD is board certified in Internal Medicine.

Education & Awards

Dr. Nielsen graduated from Johns Hopkins University, Baltimore.


Dr. Nielsen has 2 hospital affiliations:

  • Greater Baltimore Medical Center 
  • St Joseph Medical Center 

> > > > Dr. Lois Nielsen, MD

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Additional Information
Dr. Lois Ellen Nielsen MD is a female Internist, has 25 years of experience and practices in Internal Medicine.
Where does Dr. Lois E. Nielsen practice?
Dr. Lois Nielsen has 1 office location.
Dr. Lois Nielsen practices Internal Medicine near Towson, MD.
See Towson Internists.