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

Dr. Thomas Layden, MD

Individual provider Gastroenterology Physician · NPI 1093835274

Dr. Thomas Layden, MD is a Gastroenterology Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
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

1740 W Taylor St Dept 3462
Chicago, IL 60612-7232
Phone: (312) 704-2885
Fax: (312) 704-2737
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (IL)

Record details

NPI number1093835274
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2007
Last updated in NPPESJuly 9, 2007
Mailing address200 W Adams St, Suite 225, Chicago, IL 60606-5208

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