NPPES file of Aug 9, 2026

Alice E. Williamson Hoyt, MD

Allergy & Immunology Physician · Metairie, LA

Alice E. Williamson Hoyt, MD is an allergy & immunology physician with a practice address in Metairie, Louisiana, and NPI 1942524996, issued on Mar 19, 2010. Check the license (Louisiana MD.206295, 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
1942524996
Name
Alice E. Williamson Hoyt
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License numbers
MD.206295 LA
55850 TN
Self-reported in NPPES; status is on the state search
Practice location
123 Metairie RD Ste 203, Metairie, LA 70005
Phone
(504) 512-6455
Enumerated
Mar 19, 2010
Record last updated
Jan 20, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Alice E. Williamson Hoyt 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.206295
    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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Industry payments in 2024: $33.36

1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alice Hoyt$33.36
  2. Specialty average$8,321.81

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Allergy & Immunology Physician providers in Louisiana

There are 58 allergy & immunology physician records in Louisiana.

Other allergy & immunology physician records in Louisiana

  1. Gonzalo Alvarez Del Real, MDShreveport, LA1801853106
  2. Jada Armstrong, MDBaton Rouge, LA1265454045
  3. Evan Atkinson, M.D.New Orleans, LA1255655262
  4. Jibran Atwi, MDLafayette, LA1154322923
  5. Wilton Bergeron, M. D.Lafayette, LA1457680332
  6. Caroline Caperton, M.D., M.S.P.H.Shreveport, LA1861791592
  7. John Carlson, MD, PHDNew Orleans, LA1700058310
  8. Alexandra Chastant, MDLafayette, LA1134623903
  9. Andrew Collins, M.D.Lafayette, LA1932424660
  10. William Davis, MDNew Orleans, LA1033212725

Common questions

What is Alice E. Williamson Hoyt, MD's NPI number?

Alice E. Williamson Hoyt, MD's National Provider Identifier (NPI) is 1942524996, issued on Mar 19, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Alice E. Williamson Hoyt, MD located?

The NPPES record lists a practice address at 123 Metairie RD Ste 203, Metairie, LA, 70005. Phone: (504) 512-6455. Providers update this record themselves, so call before visiting.

How can I verify Alice E. Williamson Hoyt, MD's license?

NPPES lists Louisiana license number MD.206295, 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.

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.