Michael William Stumpf, M.D.
Internal Medicine Physician · Baton Rouge, LA
Michael William Stumpf, M.D. is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1023277530, issued on Jun 9, 2008. Check the license (Louisiana 202937, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael William Stumpf
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 202937 LA
Self-reported in NPPES; status is on the state search - Practice location
- 5439 Airline Hwy, Baton Rouge, LA 70805
- Phone
- (225) 358-4853
- Enumerated
- Jun 9, 2008
- Record last updated
- Aug 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (225) 358-2282
- Medicaid ID
- 1103314 LA
- Medicare enrollment
- Enrolled (PECOS I20110714000043); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 5439 Airline Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Boal, PAPhysician Assistant1215223763
- Nicholas Boone, NPFamily Nurse Practitioner1245725837
- Angela Clark, P.A.Medical Physician Assistant1861627093
- Carl Cramer, PA-CPhysician Assistant1750604096
- William Dart, FNPNurse Practitioner1194904193
- Paul Failla, MDPulmonary Disease Physician1831110857
Verify Michael William Stumpf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 202937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average internal medicine physician in 2024
4,588 Medicare Part D claims for 260 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium337 claims
- Amlodipine Besylate329 claims
- Albuterol Sulfate Hfa208 claims
- Gabapentin199 claims
- Hydrochlorothiazide173 claims
- Pantoprazole Sodium169 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: $362.74
20 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Lsuhn Billing LLCLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael William Stumpf among 1,749 internal medicine physician records in Louisiana
Michael William Stumpf, M.D. is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2008 · median 2008 among the 1,216 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
256 internal medicine physician records list a practice address in Baton Rouge
They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Baton Rouge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marla Cannatella, MDBaton Rouge, LA 708051679595474
- Guido DejesusBaton Rouge, LA 708051457373227
- Messan Folivi, MDBaton Rouge, LA 708051285130500
- Dean Lauret, M.D.Baton Rouge, LA 708051609909712
- Jonathan SchroederBaton Rouge, LA 708051376802595
- Akwasi Adjare-Sefa, M.D.Baton Rouge, LA 708061437143757
- Venkat Banda, MDBaton Rouge, LA 708061083690804
- Gertrude Chimeka Anyanwoke, M.D.Baton Rouge, LA 708061760465421
Common questions
What is Michael William Stumpf, M.D.'s NPI number?
Michael William Stumpf, M.D.'s National Provider Identifier (NPI) is 1023277530, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael William Stumpf, M.D. located?
The NPPES record lists a practice address at 5439 Airline Hwy, Baton Rouge, LA, 70805. Phone: (225) 358-4853. Providers update this record themselves, so call before visiting.
How can I verify Michael William Stumpf, M.D.'s license?
NPPES lists Louisiana license number 202937, 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 Michael William Stumpf, M.D. prescribe under Medicare Part D?
In 2024, Michael William Stumpf, M.D. had 4,588 Medicare Part D claims for 260 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.