James Vermaelen, M.D.
Critical Care Medicine (Internal Medicine) Physician · Baton Rouge, LA
James Vermaelen, M.D. is a critical care medicine (internal medicine) physician with a practice address in Baton Rouge, Louisiana, and NPI 1467693440, issued on Mar 20, 2009. Check the license (Louisiana MD.204472, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Vermaelen
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- MD.204472 LA
204472 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Hennessy Blvd Ste 701, Baton Rouge, LA 70808
- Phone
- (225) 765-5864
- Enumerated
- Mar 20, 2009
- Record last updated
- Jun 9, 2026
- Fax
- (225) 765-2013
- Medicare enrollment
- Enrolled (PECOS I20130615000032); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 62 in Louisiana → Look up another NPI →
Also registered at 7777 Hennessy Blvd Ste 701
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jess Anderson, MDHospitalist Physician1568623395
- Ramkaji Baniya, M.D.Internal Medicine Physician1174906374
- Riddhi Banthia, M.D.Internal Medicine Physician1588019343
- Anna BianchiPsychiatry Physician1730767450
Verify James Vermaelen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.204472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
315 Medicare Part D claims for 73 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Trelegy Ellipta95 claims
- Albuterol Sulfate Hfa46 claims
- Breo Ellipta28 claims
- Montelukast Sodium21 claims
- Prednisone20 claims
- Roflumilast19 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: $1,321.47
63 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Our Lady OF The Lake Physician Group LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Vermaelen among 62 critical care medicine (internal medicine) physician records in Louisiana
James Vermaelen, M.D. is one of 62 critical care medicine (internal medicine) physician records with a practice address in Louisiana. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 40% of them.
- NPI issued2009 · 40% of these records are older, 55% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated2009 · median 2010 among the 55 with a school on file
- Record last updated2026 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Louisiana
There are 62 critical care medicine (internal medicine) physician records in Louisiana.
All 62 in Louisiana → Every provider in Baton Rouge → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Stephen Adjei, M.D.Baton Rouge, LA 708081871518530
- Benjamin Deaton, M.D.Baton Rouge, LA 708081376803437
- Ronald Fields, MDBaton Rouge, LA 708081962498196
- James FordBaton Rouge, LA 708081609033802
- Abdulla Majid-Moosa, D.OBaton Rouge, LA 708081558628859
- Bevan Myles, M.D.Baton Rouge, LA 708081356784284
- Alexandra Perry, MDBaton Rouge, LA 708081063733855
- Daniel Rees, M. D.Baton Rouge, LA 708081780094011
Common questions
What is James Vermaelen, M.D.'s NPI number?
James Vermaelen, M.D.'s National Provider Identifier (NPI) is 1467693440, issued on Mar 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Vermaelen, M.D. located?
The NPPES record lists a practice address at 7777 Hennessy Blvd Ste 701, Baton Rouge, LA, 70808. Phone: (225) 765-5864. Providers update this record themselves, so call before visiting.
How can I verify James Vermaelen, M.D.'s license?
NPPES lists Louisiana license number MD.204472, 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 James Vermaelen, M.D. prescribe under Medicare Part D?
In 2024, James Vermaelen, M.D. had 315 Medicare Part D claims for 73 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.