NPPES file of Aug 9, 2026

Abigail P. Erwin, MD

Hospitalist Physician · Baton Rouge, LA

Abigail P. Erwin, MD is a hospitalist physician with a practice address in Baton Rouge, Louisiana, and NPI 1073217246, issued on Mar 29, 2023. Check the license (Louisiana 351573, 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
1073217246
Name
Abigail P. Erwin
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
351573 LA
Self-reported in NPPES; status is on the state search
Practice location
5000 Hennessy Blvd, Baton Rouge, LA 70808
Phone
(225) 765-4050
Enumerated
Mar 29, 2023
Record last updated
Apr 27, 2026
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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Also registered at 5000 Hennessy Blvd

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

  1. Cayla Abad, FNP-CFamily Nurse Practitioner1518611706
  2. Shaun Abraham, M.D.Hospitalist Physician1174883722
  3. Noell Ackel, PAPhysician Assistant1114479680
  4. Michael Adamek, MDHospitalist Physician1780145342
  5. Jose Aguayo Herrera, MDHospitalist Physician1205569548
  6. Shees AhmedHospitalist Physician1437853579

Verify Abigail P. Erwin 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 351573
    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

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19% fewer Medicare Part D claims than the average hospitalist physician in 2024

421 Medicare Part D claims for 50 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Abigail Erwin421
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium27 claims
  2. Jardiance19 claims
  3. Albuterol Sulfate Hfa18 claims
  4. Metformin Hcl Er18 claims
  5. Carvedilol17 claims
  6. Pantoprazole Sodium17 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.

Abigail P. Erwin among 340 hospitalist physician records in Louisiana

Abigail P. Erwin, MD 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 2023, is newer than 93% of them.

  • NPI issued2023 · 93% of these records are older, 1% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 80% of these records are
  • Record last updated2026 · 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. Robert Causey, MDBaton Rouge, LA 708081255521175
  2. Kevin Dean, M.D.Baton Rouge, LA 708081760571764
  3. Stephanie Falcon, MDBaton Rouge, LA 708081265623771
  4. James Fee, M.D.Baton Rouge, LA 708081942244264
  5. Amy Giarrusso, M.D.Baton Rouge, LA 708081912931940
  6. Brian Gouri, M.D.Baton Rouge, LA 708081124210521
  7. Irfan Hasan, M.D.Baton Rouge, LA 708081306056007
  8. Melanie McKnight, M.D.Baton Rouge, LA 708081073546149

Common questions

What is Abigail P. Erwin, MD's NPI number?

Abigail P. Erwin, MD's National Provider Identifier (NPI) is 1073217246, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Abigail P. Erwin, MD located?

The NPPES record lists a practice address at 5000 Hennessy Blvd, Baton Rouge, LA, 70808. Phone: (225) 765-4050. Providers update this record themselves, so call before visiting.

How can I verify Abigail P. Erwin, MD's license?

NPPES lists Louisiana license number 351573, 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 Abigail P. Erwin, MD prescribe under Medicare Part D?

In 2024, Abigail P. Erwin, MD had 421 Medicare Part D claims for 50 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.