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

Brian Thomas Layden, MD

Individual provider Internal Medicine Physician · NPI 1841474913

Brian Thomas Layden, MD is an Endocrinology in Chicago, Illinois. Graduated from Illinois Medical College in 2005, 21 years ago. Practices with The Board of Trustees of the University of Illinois, a 1,142-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Trained at
Illinois Medical College
Licensed in
IL
In the registry since
2007
Specialties on file
2
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

303 E Chicago Ave Tarry Bldg 15TH Fl
Chicago, IL 60611-4296
Phone: (312) 695-3095
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036.120870 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125049063 (IL)

Record details

NPI number1841474913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 24, 2007
Last updated in NPPESMarch 12, 2014
Mailing address303 East Chicago Avenue, Tarry Building 15th Floor, Chicago, IL 60611-3008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolILLINOIS MEDICAL COLLEGE
Graduated 2005 (21 years in practice)
Group practice The Board Of Trustees Of The University Of Illinois — 1142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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