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

Dr. Grant D. Barish, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1265526073

Dr. Grant D. Barish, MD is an Endocrinology in Chicago, Illinois. Graduated from University of Michigan Medical School in 2000, 26 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
26
Trained at
University of Michigan Medical School
Licensed in
CA, IL
In the registry since
2006
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

675 N Saint Clair St Galter Pavillion 14th Fl
Chicago, IL 60611-5975
Phone: (312) 695-7970
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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 036.130667 (IL)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence A77609 (CA)

Record details

NPI number1265526073
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESApril 4, 2026
Certification dateApril 4, 2026
Mailing address676 N Saint Clair St Ste 701, Chicago, IL 60611-2996

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2000 (26 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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