PROVIDER PROFILE · NPI 1639100464

Kathleen MahanMD

Internal MedicineLombard, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,061

Unique beneficiaries

—

Total services

1,379

Distinct HCPCS

Medicare payment

$56K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

2,241

Beneficiaries

—

Total drug cost

$30K

Distinct drugs

Brand share

9.4%

Top prescribed drugs

Atorvastatin Calcium174 claims

Levothyroxine Sodium163 claims

Amlodipine Besylate113 claims

Rosuvastatin Calcium87 claims

Lisinopril82 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$33

Payment records

By payment type

Food and Beverage$33

REFERRAL NETWORK

Where Kathleen Mahan'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FAMILY PRACTICE OF CADILLAC PC	282	1,260
MERCY HOSPITAL CADILLAC	61	167
James Shirley Diagnostic Radiology · Traverse City, MI	23	51
KOWALSKI, ROBERT	22	86
PAYNE, DAVID	21	113
Jesse Johnson Diagnostic Radiology · Traverse City, MI	21	54
GRACE, WILLIAM	18	57
Ryan Holmes Diagnostic Radiology · Traverse City, MI	18	31
Daniel Boss Diagnostic Radiology · Traverse City, MI	18	37
MUNSON HOME CARE	17	58
SPACE, TODD	14	41
NORTH FLIGHT INC	13	47

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history