NPPES file of Aug 9, 2026

Andrew David McKernan

Allergy & Immunology Physician · Slidell, LA

Andrew David McKernan is an allergy & immunology physician with a practice address in Slidell, Louisiana, and NPI 1124552849, issued on Apr 19, 2017. Check the license (Louisiana 322146, 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
1124552849
Name
Andrew David McKernan
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
322146 LA
Self-reported in NPPES; status is on the state search
Practice location
2750 Gause Blvd E, Slidell, LA 70461
Phone
(985) 639-3777
Enumerated
Apr 19, 2017
Record last updated
Oct 20, 2022
Fax
(985) 661-3520
Medicare enrollment
Enrolled (PECOS I20221102001538); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 2750 Gause Blvd E

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

  1. Malcolm Andry, M.D.Gastroenterology Physician1093776064
  2. Mark Babo, MDFamily Medicine Physician1558328120
  3. Raymond Baez, MDFamily Medicine Physician1932166410
  4. Emily Bassett, PA-CMedical Physician Assistant1477983856
  5. Peter Blessey, MDSports Medicine (Orthopaedic Surgery) Physician1467488163
  6. Kimberly Bonvillian, PA-CPhysician Assistant1871350702

Verify Andrew David McKernan 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 322146
    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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26% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

550 Medicare Part D claims for 129 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Andrew McKernan550
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl118 claims
  2. Fluticasone Propionate62 claims
  3. Xolair54 claims
  4. Ipratropium Bromide48 claims
  5. Mometasone Furoate29 claims
  6. Montelukast Sodium22 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. Ochsner Clinic LLCSlidell, LA

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

Andrew David McKernan among 58 allergy & immunology physician records in Louisiana

Andrew David McKernan is one of 58 allergy & immunology physician records with a practice address in Louisiana. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.

  • NPI issued2017 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2002 among the 43 with a school on file
  • Record last updated2022 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Louisiana

There are 58 allergy & immunology physician records in Louisiana.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Devyn Rohlfs RiveraSlidell, LA 704611700380078
  2. Brice Rolston, M.D.Covington, LA 704331538137930
  3. Joshua Walls, MDCovington, LA 704331366021131
  4. Wilton Bergeron, M. D.Lafayette, LA 705061457680332
  5. Jibran Atwi, MDLafayette, LA 705081154322923
  6. Alexandra Chastant, MDLafayette, LA 705081134623903
  7. Andrew Collins, M.D.Lafayette, LA 705081932424660
  8. Bernard Fruge, MDLafayette, LA 705081225034812

Common questions

What is Andrew David McKernan's NPI number?

Andrew David McKernan's National Provider Identifier (NPI) is 1124552849, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Andrew David McKernan located?

The NPPES record lists a practice address at 2750 Gause Blvd E, Slidell, LA, 70461. Phone: (985) 639-3777. Providers update this record themselves, so call before visiting.

How can I verify Andrew David McKernan's license?

NPPES lists Louisiana license number 322146, 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 Andrew David McKernan prescribe under Medicare Part D?

In 2024, Andrew David McKernan had 550 Medicare Part D claims for 129 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.