What is Douglas Lillie's specialty?

Douglas Lillie (NPI 1811004369) is a Medicare-billing provider whose primary specialty is Internal Medicine in West Allis, WI.

Where does Douglas Lillie practice?

Douglas Lillie practices in West Allis, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1811004369.

How much does Medicare pay Douglas Lillie?

Douglas Lillie (NPI 1811004369) received approximately $107K in total Medicare Part B payments, serving 353 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811004369

Douglas LillieMD

Internal MedicineWest Allis, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,052

Unique beneficiaries

—

Total services

1,424

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

16,479

Beneficiaries

—

Total drug cost

$1.4M

Distinct drugs

175

Brand share

22.1%

Top prescribed drugs

Atorvastatin Calcium1,107 claims

Amlodipine Besylate987 claims

Losartan Potassium735 claims

Levothyroxine Sodium525 claims

Metoprolol Succinate471 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Douglas Lillie'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WEST ALLIS MEMORIAL HOSPITAL, INC.	297	1,336
VISITING NURSE ASSOCIATION OF WISCONSIN, INC.	35	102
Maryam Gardezi Cardiology · West Allis, WI	32	196
CALVY, THOMAS	29	102
WEEKES, RICHARD	29	57
City Of West Allis Ambulance Service Provider · West Allis, WI	28	160
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.	28	104
Richard Jochem Diagnostic Radiology · St Francis, WI	27	145
Mack Karnes Diagnostic Radiology · St Francis, WI	26	73
Matthew Brewer Diagnostic Radiology · New Berlin, WI	24	67
Roger Torres Internal Medicine · New Berlin, WI	24	164
John Kispert General Surgery · West Allis, WI	22	78

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events