NPPES file of Aug 9, 2026

William Justin Carter, M.D.

Hospitalist Physician · New Orleans, LA

William Justin Carter, M.D. is a hospitalist physician with a practice address in New Orleans, Louisiana, and NPI 1942404454, issued on Jun 11, 2007. Check the license (Louisiana MD.202350, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1942404454
Name
William Justin Carter
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
MD.202350 LA
Self-reported in NPPES; status is on the state search
Practice location
1514 Jefferson Highway, New Orleans, LA 70121
Phone
(504) 842-4000
Enumerated
Jun 11, 2007
Record last updated
Jun 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid IDs
04424251 MS
1182265 LA
Medicare enrollment
Enrolled (PECOS I20090126000156); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 2005
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.
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Also registered at 1514 Jefferson Highway

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

  1. Badr Alsaleh, M.B.B.S. (MD)Student in an Organized Health Care Education/Training Program1538504287
  2. Ronald Amedee, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1831280668
  3. Michael Anders, LCSWClinical Social Worker1154510618
  4. Christopher Blais, MDInfectious Disease Physician1861480915
  5. Shirisha Bodana, D.O.Nephrology Physician1770794067
  6. Dayna Bolton, DPMPodiatrist1427284868

Verify William Justin Carter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license MD.202350
    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 Louisiana 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.

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76% fewer Medicare Part D claims than the average hospitalist physician in 2024

125 Medicare Part D claims for 42 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. William Carter125
  2. Specialty average521

Most prescribed

  1. Jardiance22 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.

Bills Medicare through one group practice

  1. Belle Chasse Physician Services LLCSlidell, LA

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

William Justin Carter among 340 hospitalist physician records in Louisiana

William Justin Carter, M.D. is one of 340 hospitalist physician records with a practice address in Louisiana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 14% of them.

  • NPI issued2007 · 14% of these records are older, 77% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2005 · median 2014 among the 271 with a school on file
  • Record last updated2010 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Louisiana

There are 340 hospitalist physician records in Louisiana.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Michael Boucree, M.D.New Orleans, LA 701211912066309
  2. Michael Davis, ANPNew Orleans, LA 701211487876421
  3. Robert Marier, MDNew Orleans, LA 701211013021302
  4. Marianne Maumus, MDNew Orleans, LA 701211013944487
  5. Stacy McDonald, MDNew Orleans, LA 701211407825557
  6. Arup Nath, MDNew Orleans, LA 701211558525642
  7. Jeremiah Newsom, MDNew Orleans, LA 701211245434612
  8. Moira Ogden, MDNew Orleans, LA 701211598861239

Common questions

What is William Justin Carter, M.D.'s NPI number?

William Justin Carter, M.D.'s National Provider Identifier (NPI) is 1942404454, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Justin Carter, M.D. located?

The NPPES record lists a practice address at 1514 Jefferson Highway, New Orleans, LA, 70121. Phone: (504) 842-4000. Providers update this record themselves, so call before visiting.

How can I verify William Justin Carter, M.D.'s license?

NPPES lists Louisiana license number MD.202350, 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 Justin Carter, M.D. prescribe under Medicare Part D?

In 2024, William Justin Carter, M.D. had 125 Medicare Part D claims for 42 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

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.