Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Arthur Charles Nielsen III, MD

Individual provider Psychiatry Physician · NPI 1376550822

Dr. Arthur Charles Nielsen III, MD is a Psychiatry Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 E Ontario St Ste 4209B
Chicago, IL 60611-4804
Phone: (312) 649-0570
Fax: (847) 441-7196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X (IL)

Record details

NPI number1376550822
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 1, 2006
Last updated in NPPESJuly 8, 2007

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