What is William Lacy's specialty?

William Lacy (NPI 1558457796) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Louisville, KY.

Where does William Lacy practice?

William Lacy practices in Louisville, KY, based on the location reported in the CMS Medicare provider datasets for NPI 1558457796.

How much does Medicare pay William Lacy?

William Lacy (NPI 1558457796) received approximately $139K in total Medicare Part B payments, serving 810 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558457796

William LacyMD

PRACTICECHEST MEDICINE ASSOCIATES P.S.C.See all providers at this practice →

Pulmonary DiseaseLouisville, KYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,361

Unique beneficiaries

—

Total services

1,543

Distinct HCPCS

Medicare payment

$136K

Peer benchmark

Total Medicare services vs. 175 Pulmonary Disease providers in KY — top quintile (cohort median 1,123).

PRESCRIBING · PART D · 2024

Total Rx claims

4,339

Beneficiaries

—

Total drug cost

$2.2M

Distinct drugs

Brand share

80.4%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter1,055 claims

Albuterol Sulfate637 claims

Prednisone236 claims

Tiotropium Br/Olodaterol Hcl234 claims

Budesonide/Glycopyr/Formoterol227 claims

QUALITY · MIPS · 2024

Final MIPS score

81.1

Quality

63.3

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.26%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$564

Payment records

By payment type

Food and Beverage$564

Top paying entities

Food and Beverage$564

REFERRAL NETWORK

Where William Lacy'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). 98 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
JEWISH HOSPITAL & ST. MARY'S HEALTHCARE, INC.	395	2,216
Louisville Jefferson County Metro Government Ambulance Service Provider · Louisville, KY	162	720
MOORE, LORAN	130	618
Sunny Joseph Cardiology · Louisville, KY	116	461
Richard Baker Pulmonary Disease · Louisville, KY	96	1,802
Preeti Attavar Cardiology · Louisville, KY	93	546
Arun Ummat Interventional Cardiology · Louisville, KY	86	428
YELLOW ENTERPRISE SYSTEMS, LLC	84	220
Andrew Smith Diagnostic Radiology · Louisville, KY	73	315
Frank Lee Diagnostic Radiology · Louisville, KY	69	280
MAXFIELD, SHARON	68	262
George Boatwright Pulmonary Disease · Louisville, KY	68	292

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