NPPES file of Aug 9, 2026

William J. Housworth, MD

Internal Medicine Physician · Louisville, KY

William J. Housworth, MD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1477559367, issued on Jun 24, 2005. Check the license (Kentucky 32354, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477559367
Name
William J. Housworth
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
32354 KY
Self-reported in NPPES; status is on the state search
Practice location
1 Audubon Plaza Dr, Louisville, KY 40217
Phone
(502) 634-6767
Enumerated
Jun 24, 2005
Record last updated
Oct 23, 2023
Medicaid ID
64323546 KY
Medicare enrollment
Enrolled (PECOS I20090831000367); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1 Audubon Plaza Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Adams, MDEmergency Medicine Physician1235186529
  2. Sherry Adkisson, PA-CPhysician Assistant1407203862
  3. Maher Alia, DOEmergency Medicine Physician1669050290
  4. Elisa Archer, CRNACertified Registered Nurse Anesthetist1194200253
  5. Santina Arnold, APRNFamily Nurse Practitioner1366033854
  6. Karim AshamPodiatrist1285318899

Verify William J. Housworth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 32354
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

95% fewer Medicare Part D claims than the average internal medicine physician in 2024

173 Medicare Part D claims for 126 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. William Housworth173
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen29 claims
  2. Cephalexin25 claims
  3. Amoxicillin-Clavulanate Potass15 claims
  4. Naproxen15 claims
  5. Azithromycin14 claims
  6. Ondansetron Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Community Medical Associates IncLouisville, KY
  2. Southeastern Emergency Physicians LLCBardstown, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William J. Housworth among 1,526 internal medicine physician records in Kentucky

William J. Housworth, MD is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1995 · median 2006 among the 1,025 with a school on file
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

457 internal medicine physician records list a practice address in Louisville

They are 457 of the 21,891 NPPES records with a practice address in Louisville, and 1,526 internal medicine physician records in Kentucky.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ryan Fields, MDLouisville, KY 402171235454083
  2. Philip Fitzgerald, MDLouisville, KY 402171669437166
  3. William Goldstein, M.D.Louisville, KY 402171336287523
  4. Patricia Hansen, M.D.Louisville, KY 402171285745612
  5. Max Irick, MDLouisville, KY 402171548317803
  6. Abbas Khawari, M.D.Louisville, KY 402171194919159
  7. Kathryn Marshall, M.D.Louisville, KY 402171104898048
  8. Kelley McIntyre, MDLouisville, KY 402171497710693

Common questions

What is William J. Housworth, MD's NPI number?

William J. Housworth, MD's National Provider Identifier (NPI) is 1477559367, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William J. Housworth, MD located?

The NPPES record lists a practice address at 1 Audubon Plaza Dr, Louisville, KY, 40217. Phone: (502) 634-6767. Providers update this record themselves, so call before visiting.

How can I verify William J. Housworth, MD's license?

NPPES lists Kentucky license number 32354, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William J. Housworth, MD prescribe under Medicare Part D?

In 2024, William J. Housworth, MD had 173 Medicare Part D claims for 126 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is William J. Housworth, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.