William Clark, MD
Emergency Medicine Physician · Metairie, LA
William Clark, MD is an emergency medicine physician with a practice address in Metairie, Louisiana, and NPI 1598779118, issued on Jul 28, 2006. Check the license (Louisiana 024901, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Clark
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 024901 LA
Self-reported in NPPES; status is on the state search - Practice location
- 3223 8TH St, Metairie, LA 70002
- Phone
- (504) 833-7770
- Enumerated
- Jul 28, 2006
- Record last updated
- Jul 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (504) 833-7782
- Medicaid ID
- 1420417 LA
- Entity
- Type 1 · individual
Also registered at 3223 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rusty Cook, MDEmergency Medicine Physician1437244266
- Thuytien Do, MDEmergency Medicine Physician1669564159
- David Harper, MDEmergency Medicine Physician1346339363
Verify William Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 024901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
19 Medicare Part D claims for 15 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 59.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Emergency Medicine Physician providers in Louisiana
There are 1,000 emergency medicine physician records in Louisiana.
Other emergency medicine physician records in Louisiana
- Yousef Abdulla, MDKaplan, LA1376122507
- Joseph Abraham, M.D.Lafayette, LA1629309000
- Evangeline Abriam, MDMetairie, LA1861581936
- Angela Adams, M.D.Alexandria, LA1356652895
- Brian Adams, M.D., M.P.H.Alexandria, LA1396006995
- Jerielle AdamsBaton Rouge, LA1174813018
- Kasi Addison, DOShreveport, LA1679034870
- Prateek Adhikari, M.D.New Orleans, LA1083788004
- Rohit Adi, MDBaton Rouge, LA1912012444
- Miguel Aguilera, M.D.Metairie, LA1598735334
Common questions
What is William Clark, MD's NPI number?
William Clark, MD's National Provider Identifier (NPI) is 1598779118, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Clark, MD located?
The NPPES record lists a practice address at 3223 8TH St, Metairie, LA, 70002. Phone: (504) 833-7770. Providers update this record themselves, so call before visiting.
How can I verify William Clark, MD's license?
NPPES lists Louisiana license number 024901, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Clark, MD prescribe under Medicare Part D?
In 2024, William Clark, MD had 19 Medicare Part D claims for 15 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William Clark, MD's MIPS final score?
The 2023 MIPS final score is 59.4 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.