NPPES file of Aug 9, 2026

Billy J. Rosson, MD

Pulmonary Disease Physician · Lafayette, LA

Billy J. Rosson, MD is a pulmonary disease physician with a practice address in Lafayette, Louisiana, and NPI 1164414629, issued on Aug 19, 2005. Check the license (Louisiana 020517, 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
1164414629
Name
Billy J. Rosson
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
020517 LA
Self-reported in NPPES; status is on the state search
Practice location
155 Hospital Dr, Lafayette, LA 70503
Phone
(337) 234-3204
Enumerated
Aug 19, 2005
Record last updated
Dec 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(337) 234-3599
Medicaid ID
1900613 LA
Medicare enrollment
Enrolled (PECOS I20100224000063); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1989
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 155 Hospital Dr

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

  1. Michael Alexander, MDInternal Medicine Physician1649352261
  2. Glenn Ally, PH.D, M.P.Clinical Neuropsychologist1437272945
  3. Alan Appley, M.D.Neurological Surgery Physician1306891320
  4. Walter Brown, MDPulmonary Disease Physician1053305482
  5. Alfred Buxton, PH.D., M.P.Prescribing (Medical) Psychologist1457474983
  6. Jason Cormier, MDNeurological Surgery Physician1982812723

Verify Billy J. Rosson 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 020517
    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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14% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

1,230 Medicare Part D claims for 182 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.

  1. Billy Rosson1,230
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta190 claims
  2. Albuterol Sulfate Hfa159 claims
  3. Anoro Ellipta112 claims
  4. Montelukast Sodium88 claims
  5. Breo Ellipta64 claims
  6. Prednisone54 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.

Industry payments in 2024: $1,778.91

88 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Billy Rosson$1,778.91
  2. Specialty average$5,159.88

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

Bills Medicare through 3 group practices

  1. Gbr, LLCLafayette, LA
  2. Louisiana Department OF Health - Office OF Public HealthCrowley, LA
  3. University Hospital And Clinics, Inc.Lafayette, LA

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

Billy J. Rosson among 208 pulmonary disease physician records in Louisiana

Billy J. Rosson, MD is one of 208 pulmonary disease physician records with a practice address in Louisiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1989 · median 2001 among the 156 with a school on file
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Louisiana

There are 208 pulmonary disease physician records in Louisiana.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Walter Brown, MDLafayette, LA 705031053305482
  2. George Guidry, MDLafayette, LA 705031902898885
  3. Timothy Keys, M.D.Lafayette, LA 705031760471197
  4. Fadi Malek, M.D. F.C.C.P.Lafayette, LA 705031699761056
  5. Kyle Schuler, MDLafayette, LA 705031457858938
  6. Philip Perret, M.D.Lafayette, LA 705061093915894
  7. Justin Ardoin, M.D.Lafayette, LA 705081962610360
  8. Ewing Cook, M.D.Lafayette, LA 705081518035104

Common questions

What is Billy J. Rosson, MD's NPI number?

Billy J. Rosson, MD's National Provider Identifier (NPI) is 1164414629, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Billy J. Rosson, MD located?

The NPPES record lists a practice address at 155 Hospital Dr, Lafayette, LA, 70503. Phone: (337) 234-3204. Providers update this record themselves, so call before visiting.

How can I verify Billy J. Rosson, MD's license?

NPPES lists Louisiana license number 020517, 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 Billy J. Rosson, MD prescribe under Medicare Part D?

In 2024, Billy J. Rosson, MD had 1,230 Medicare Part D claims for 182 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.