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PROVIDER PROFILE · NPI 1083774889

Allison HahrM.D.

PRACTICENORTHWESTERN MEMORIAL HOSPITALSee all providers at this practice →
EndocrinologyChicago, ILI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (6)

CCN 140010
Hospital
CCN 140062
Hospital
CCN 140130
Hospital
CCN 140242
Hospital
CCN 140281
Hospital
CCN 143026
Inpatient rehabilitation facility
QUALITY · MIPS · 2024
Final MIPS score
95.2
Quality
83.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.85%
APM Entity
PRESCRIBING · PART D · 2024
Total Rx claims
1,025
Beneficiaries
—
Total drug cost
$1.5M
Distinct drugs
18
Brand share
30.3%
Top prescribed drugs
Levothyroxine Sodium245 claims
Alendronate Sodium214 claims
Levothyroxine Sodium131 claims
Calcitriol54 claims
Abaloparatide53 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,378
Unique beneficiaries
—
Total services
44,783
Distinct HCPCS
14
Medicare payment
$669K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 262 Endocrinology providers in IL — top quintile (cohort median 1,061).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Allison Hahr's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 10 inbound referrers · 25 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHWESTERN MEMORIAL HEALTHCARE384892
Seema Singhal
Hematology-Oncology · Chicago, IL
35134
ENDEAVOR HEALTH CLINICAL OPERATIONS3060
REHABILITATION INSTITUTE OF CHICAGO2763
WIGGINS, CAROLYN2562
CENTRAL DUPAGE HOSPITAL ASSOCIATION2130
June Mckoy
Geriatric Medicine · Chicago, IL
1929
David Mehlman
Cardiology · Chicago, IL
1432
DAVISON, RICHARDO1121
Ronald Hendrix
Diagnostic Radiology · Chicago, IL
1115
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHWESTERN MEMORIAL HEALTHCARE5111,502
Erica Klaw
Physician Assistant · Chicago, IL
5990
Yashpal Kanwar
Pathology · Chicago, IL
46117
REHABILITATION INSTITUTE OF CHICAGO44140
June Mckoy
Geriatric Medicine · Chicago, IL
3249
Seema Singhal
Hematology-Oncology · Chicago, IL
29133
ENDEAVOR HEALTH CLINICAL OPERATIONS2655
Quest Diagnostics Llc Il
Clinical Laboratory · Wood Dale, IL
2257
CENTRAL DUPAGE HOSPITAL ASSOCIATION2139
Ronald Hendrix
Diagnostic Radiology · Chicago, IL
1960
Renee Yap
Diagnostic Radiology · Chicago, IL
1826
Eve Bloomgarden
Internal Medicine · Bannockburn, IL
1722
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.