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

Thomas Ryan Alcorn, MD

Individual provider Emergency Medicine Physician · NPI 1336467968

Thomas Ryan Alcorn, MD is an Emergency Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2010.

Licensed in
IL
In the registry since
2010
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

1620 W Harrison St Dept OF Emergency Medicine
Chicago, IL 60612-3801
Phone: (312) 947-0100
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036136815 (IL)

Record details

NPI number1336467968
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2010
Last updated in NPPESMarch 31, 2016
Mailing address1620 W Harrison St, Department Of Emergency Medicine, Chicago, IL 60612-3801

Other providers in Chicago