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PROVIDER PROFILE · NPI 1366505885

Mary Hammes

PRACTICEMEDCENTRIX INCSee all providers at this practice →
NephrologyChicago, ILI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
103
Beneficiaries
—
Total drug cost
$9K
Distinct drugs
7
Brand share
36.9%
Top prescribed drugs
Amlodipine Besylate25 claims
Hydralazine Hcl15 claims
Prednisone13 claims
Sulfamethoxazole/Trimethoprim13 claims
Nifedipine13 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
249
Unique beneficiaries
—
Total services
690
Distinct HCPCS
7
Medicare payment
$144K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 404 Nephrology providers in IL — below median (cohort median 1,672).
REFERRAL NETWORK

Where Mary Hammes'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). 39 inbound referrers · 76 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TOTAL RENAL CARE INC98914
MACMAHON, HEBER56222
Jeffrey Leef
Interventional Radiology · Chicago, IL
51194
GREENBERG, BRENT45158
City Of Chicago
Ambulance Service Provider · Chicago, IL
44133
Steven Zangan
Diagnostic Radiology · Chicago, IL
41144
Hatim Hassan
Nephrology · Chicago, IL
41378
Michelle Josephson
Nephrology · Chicago, IL
38246
Woojin James Chon
Nephrology · Hines, IL
35246
Karin Dill
Diagnostic Radiology · Atlanta, GA
34224
John Edward Blair
Interventional Cardiology · Seattle, WA
34138
Amit Patel
Cardiology · Charlottesville, VA
33108
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
THE UNIVERSITY OF CHICAGO MEDICAL CENTER2352,677
TOTAL RENAL CARE INC1091,892
NPI 1730149709951,028
Steven Montner
Diagnostic Radiology · Chicago, IL
57255
GREENBERG, BRENT52221
Rupa Sanghani
Cardiology · Chicago, IL
48156
MACMAHON, HEBER47217
Tamar Polonsky
Cardiology · Chicago, IL
47144
Jeffrey Leef
Interventional Radiology · Chicago, IL
45173
Medical Express Ambulance Service, Inc
Ambulance Service Provider · Skokie, IL
43139
Jay Koyner
Nephrology · Chicago, IL
39425
Michelle Josephson
Nephrology · Chicago, IL
39255
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.