Doctor profile · NPI 1083774889
Allison J Hahr
Endocrinology · Internal Medicine
Practice locations
- Northwestern Medical Faculty Foundation1333 W Belmont Ave , Chicago, IL 60657
- Northwestern Medical Faculty Foundation1460 N Halsted St Suite 504, Chicago, IL 60642Call 3129266146
- Northwestern Medical Faculty Foundation1630 Sherman Ave , Evanston, IL 60201
- Northwestern Medical Faculty Foundation233 S Gary Ave , Bloomingdale, IL 60108Call 6303584414
- Northwestern Medical Faculty Foundation233 S Gary Ave Suite 100, Bloomingdale, IL 60108Call 6302252663
- Northwestern Medical Faculty Foundation235 S Gary Ave Suite 100, Bloomingdale, IL 60108Call 6308939600
- Northwestern Medical Faculty Foundation250 E Superior 2304 Nwmff Prent Wmn Hosp, Chicago, IL 60611Call 3124723660
- Northwestern Medical Faculty Foundation250 E Superior St , Chicago, IL 60611
- Northwestern Medical Faculty Foundation251 E Huron , Chicago, IL 60611
- Northwestern Medical Faculty Foundation251 E Huron St , Chicago, IL 60611
- Northwestern Medical Faculty Foundation2635 Church Rd Suite 101, Aurora, IL 60502Call 6303156900
- Northwestern Medical Faculty Foundation350 S Waukegan Suite 150, Deerfield, IL 60015Call 3129263107
- Northwestern Medical Faculty Foundation350 S Waukegan Rd , Deerfield, IL 60015Call 3129266146
- Northwestern Medical Faculty Foundation4445 W Irving Park Rd , Chicago, IL 60641
- Northwestern Medical Faculty Foundation4732 N Lincoln Ave , Chicago, IL 60625Call 8474752273
- Northwestern Medical Faculty Foundation4732 N Lincoln Ave Suite 200, Chicago, IL 60625Call 3129266000
- Northwestern Medical Faculty Foundation636 Raymond Dr Suite 107, Naperville, IL 60563Call 6304162300
- Northwestern Medical Faculty Foundation675 N Saint Clair St , Chicago, IL 60611
- Northwestern Medical Faculty Foundation675 N St Clair , Chicago, IL 60611
- Northwestern Medical Faculty Foundation676 N Saint Clair , Chicago, IL 60611
- Northwestern Medical Faculty Foundation676 N Saint Clair St , Chicago, IL 60611
- Northwestern Medical Faculty Foundation7 Blanchard Cir , Wheaton, IL 60189
- Northwestern Medical Faculty Foundation885 Roosevelt Rd , Glen Ellyn, IL 60137
Training in the source record
- Credential
- MD
- Medical school
- University Of Wisconsin School Of Medicine
- Graduation year
- 2002
Residency, fellowship and board certification are not supplied by this CMS file.
Before you book
Ask the practice whether this doctor sees patients of your age for your concern, is accepting new patients, and participates in your exact insurance plan at this location.
Ask who will review your records and follow up if your concerns remain unresolved.
View the NPI Registry recordCMS measures of specific care
These are 2024 results reported for this clinician’s NPI. Each CMS rating describes one measure of care, not patient reviews or an overall doctor grade. The patients, ages and insurance types included depend on the measure and collection method; these are not necessarily Medicare-only or pediatric results. They do not establish performance at a particular current practice.
No individual clinical measures approved by CMS for profile display are available for this doctor in this release. Missing results do not mean poor care. Many clinicians or measures are not publicly reported.
Released 2026-09-10. Only CMS display-approved MIPS and QCDR clinical measures are shown; participation attestations and cost measures are excluded. CMS uses a benchmark drawn from best performers covering at least 10% of the relevant patient population, with an adjustment for small denominators. ModernDoc has not independently validated these ratings. Source data and reported rates · CMS rating methodology · Coverage and reporting limits.
Reported procedure activity
CMS attributes these procedures to this clinician through Original Medicare and Medicare Advantage claims and encounters. Counts span locations and are not unique-patient counts. They do not establish quality, current availability, or that a procedure is offered at any practice listed here. Other insurance populations are not included.
No procedure activity is available for display in this release. This does not mean this doctor has no experience.
CMS release 2026-10-15. CMS describes a 12-month observation window with a three-month claims-processing lag; this file does not provide exact start and end dates. Only categories CMS marks for profile display are shown. Source data · How CMS reports procedures.
Patient experience at affiliated groups
No group survey results are linked in this release. Missing information is not a judgment about this doctor’s care.
CMS group survey year 2024 · Released 2026-09-10. View the source data · How CMS reports these measures.
Reconciled from 23 source records. Individual patient reviews and an overall clinical-quality rating are not available.