William Owen Lacy, MD - Medicare Pulmonary Disease in Louisville, KY

William Owen Lacy, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Louisville, Kentucky. He went to University Of Louisville School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Community Medical Associates Inc and his current practice location is 4606 Greenwood Rd, Louisville, Kentucky. You can reach out to his office (for appointments etc.) via phone at (502) 937-2209.

William Owen Lacy is licensed to practice in Kentucky (license number 28706) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1558457796.

Contact Information

William Owen Lacy, MD
4606 Greenwood Rd,
Louisville, KY 40258
(502) 937-2209
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Owen Lacy
GenderMale
SpecialityPulmonary Disease
Experience38 Years
Location4606 Greenwood Rd, Louisville, Kentucky
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William Owen Lacy attended and graduated from University Of Louisville School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1558457796
  • Provider Enumeration Date: 10/05/2006
  • Last Update Date: 04/24/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3678479300
  • Enrollment ID: I20050331000111

Medical Identifiers

Medical identifiers for William Owen Lacy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558457796NPI-NPPES
200003570OtherININDIANA MEDICAID
64287063MedicaidKY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 28706 (Kentucky)Secondary
207RS0012XInternal Medicine - Sleep Medicine 28706 (Kentucky)Secondary
207RP1001XInternal Medicine - Pulmonary Disease 28706 (Kentucky)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Norton Hospitals, IncLouisville, KYHospital
Jewish Hospital & St Mary's HealthcareLouisville, KYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Community Medical Associates Inc70128112841179

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William Owen Lacy allows following entities to bill medicare on his behalf.
Entity NameCommunity Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588614994
PECOS PAC ID: 7012811284
Enrollment ID: O20031120000656

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Owen Lacy is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William Owen Lacy, MD
Po Box 776351,
Chicago, IL 60677-6351

Ph: (502) 588-9490
William Owen Lacy, MD
4606 Greenwood Rd,
Louisville, KY 40258

Ph: (502) 937-2209

Reviews and Comments


Internal Medicine Doctors in Louisville, KY

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Jeanne M Thompson, M.D.
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Terrence P Donohue, M.D.
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Practice Location: 3101 Poplar Level Rd Ste 101, Louisville, KY 40213
Phone: 502-636-7444    Fax: 502-636-7112

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.