NPPES file of Aug 9, 2026

Wesley J. Penn, M.D.

Internal Medicine Physician · Baton Rouge, LA

Wesley J. Penn, M.D. is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1255673026, issued on Mar 20, 2013. Check the license (Louisiana MD.207789, 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
1255673026
Name
Wesley J. Penn
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD.207789 LA
Self-reported in NPPES; status is on the state search
Practice location
7373 Perkins RD, Baton Rouge, LA 70808
Phone
(225) 769-4044
Enumerated
Mar 20, 2013
Record last updated
Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160616002438); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2013
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 7373 Perkins RD

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

  1. Ignazio Albergamo, M.D.Internal Medicine Physician1104862473
  2. Lindsey Aldridge, M.A.CCC-AAudiologist1770503989
  3. Mallory Allen, MDPediatrics Physician1114313103
  4. Frank Alvarez, MDInternal Medicine Physician1457397721
  5. Gerald Arbour, M.D.Gastroenterology Physician1831300607
  6. Kevin Babin, MDInternal Medicine Physician1184651705

Verify Wesley J. Penn 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 MD.207789
    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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2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,458 Medicare Part D claims for 698 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 44 claims were for opioids.

  1. Wesley Penn8,458
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate613 claims
  2. Atorvastatin Calcium535 claims
  3. Losartan Potassium454 claims
  4. Pantoprazole Sodium266 claims
  5. Levothyroxine Sodium248 claims
  6. Lisinopril233 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. Baton Rouge Clinic, A Medical CorporationBaton Rouge, LA

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

Wesley J. Penn among 1,749 internal medicine physician records in Louisiana

Wesley J. Penn, 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 2013, is newer than 63% of them.

  • NPI issued2013 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2013 · median 2008 among the 1,216 with a school on file
  • Record last updated2019 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Leo Blaize, M.D.Baton Rouge, LA 708081578563177
  2. Andre Bonnecaze, M.D.Baton Rouge, LA 708081144221060
  3. Curtis Chastain, M.D.Baton Rouge, LA 708081144220906
  4. Rachel Gruner, M.D.Baton Rouge, LA 708081306848197
  5. Charles Halliburton, M.D.Baton Rouge, LA 708081083614721
  6. Jon Jackson, M.D.Baton Rouge, LA 708081013909118
  7. Jeri Johnson, M.D.Baton Rouge, LA 708081689674111
  8. Jeffrey Kahn, MDBaton Rouge, LA 708081134129737

Common questions

What is Wesley J. Penn, M.D.'s NPI number?

Wesley J. Penn, M.D.'s National Provider Identifier (NPI) is 1255673026, issued on Mar 20, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Wesley J. Penn, M.D. located?

The NPPES record lists a practice address at 7373 Perkins RD, Baton Rouge, LA, 70808. Phone: (225) 769-4044. Providers update this record themselves, so call before visiting.

How can I verify Wesley J. Penn, M.D.'s license?

NPPES lists Louisiana license number MD.207789, 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 Wesley J. Penn, M.D. prescribe under Medicare Part D?

In 2024, Wesley J. Penn, M.D. had 8,458 Medicare Part D claims for 698 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.