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

Dr. Allison Jean Hahr, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1083774889

Dr. Allison Jean Hahr, MD is an Endocrinology in Chicago, Illinois. Graduated from University of Wisconsin School of Medicine in 2002, 24 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
24
Trained at
University of Wisconsin School of Medicine
Licensed in
IL
In the registry since
2006
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

676 N Saint Clair St Ste 701
Chicago, IL 60611-2996
Phone: (312) 695-7970
Fax: (312) 695-4433
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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 036-113429 (IL)

Record details

NPI number1083774889
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 11, 2006
Last updated in NPPESApril 10, 2026
Certification dateApril 10, 2026

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations25 on file with Medicare

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