Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Christopher Sami Oustwani, MD

Individual provider Internal Medicine Physician · NPI 1497193411

Dr. Christopher Sami Oustwani, MD is an Internal Medicine Physician in Oak Park, Illinois. Licensed in Illinois. Registered with an NPI since 2013.

Licensed in
IL
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3 Erie Ct Ste L-700
Oak Park, IL 60302-2519
Phone: (708) 763-1222
Fax: (708) 763-1471
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125063398 (IL)

Record details

NPI number1497193411
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2013
Last updated in NPPESJune 12, 2013

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