PROVIDER PROFILE · NPI 1023060829

Mary Ann GilliganMD

PRACTICEMEDICAL COLLEGE OF WISCONSINSee all providers at this practice →

Internal MedicineMilwaukee, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 1,244 Internal Medicine providers in WI — bottom quintile (cohort median 578).

PRESCRIBING · PART D · 2024

Total Rx claims

3,765

Beneficiaries

—

Total drug cost

$298K

Distinct drugs

Brand share

17.6%

Top prescribed drugs

Atorvastatin Calcium321 claims

Lisinopril206 claims

Amlodipine Besylate190 claims

Gabapentin136 claims

Hydrochlorothiazide128 claims

QUALITY · MIPS · 2024

Final MIPS score

88.0

Quality

82.8

Cost

77.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.55%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mary Ann Gilligan'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). 1 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.	125	1,016

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.	157	1,701
Margaret Meyer Nurse Practitioner · Milwaukee, WI	15	28
NPI 1487606976	13	27
Paul Bergl Critical Care (Intensivists) · La Crosse, WI	12	36
Rose Franco Pulmonary Disease · Milwaukee, WI	12	84

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