John Brent Wallis, MD
Internal Medicine Physician · New Orleans, LA
John Brent Wallis, MD is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1023004207, issued on Sep 23, 2005. Check the license (Louisiana 025100, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Brent Wallis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 025100 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2222 Simon Bolivar Ave, New Orleans, LA 70113
- Phone
- (504) 444-7879
- Enumerated
- Sep 23, 2005
- Record last updated
- Sep 24, 2025
- Medicaid ID
- 1422355 LA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 2222 Simon Bolivar Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Kanter, M.D.General Practice Physician1679890321
- Vidya Mandhare, RN MSN FNPCFamily Nurse Practitioner1407887094
- Robert Sherman, NP-CFamily Nurse Practitioner1912302886
Verify John Brent Wallis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 025100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $24.11
1 payment: food and beverage; the largest payer was Abbott Laboratories. 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.
John Brent Wallis among 1,749 internal medicine physician records in Louisiana
John Brent Wallis, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2025 · 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).
392 internal medicine physician records list a practice address in New Orleans
They are 392 of the 13,668 NPPES records with a practice address in New Orleans, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in New Orleans → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Bouligny, M.D.New Orleans, LA 701131326184581
- Cherie Bragg, MDNew Orleans, LA 701141982798807
- Evita Currie, M.D.New Orleans, LA 701141801947619
- Chukwunomnso Dennar, M.D.New Orleans, LA 701141326153131
- Alexander Fixler, MDNew Orleans, LA 701121295438745
- Simran Gandhi, MDNew Orleans, LA 701121912602574
- Julio Guillen, M.D.New Orleans, LA 701141851393060
- Joshua Linhuber, MDNew Orleans, LA 701121023819547
Common questions
What is John Brent Wallis, MD's NPI number?
John Brent Wallis, MD's National Provider Identifier (NPI) is 1023004207, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Brent Wallis, MD located?
The NPPES record lists a practice address at 2222 Simon Bolivar Ave, New Orleans, LA, 70113. Phone: (504) 444-7879. Providers update this record themselves, so call before visiting.
How can I verify John Brent Wallis, MD's license?
NPPES lists Louisiana license number 025100, 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 John Brent Wallis, MD prescribe under Medicare Part D?
In 2024, John Brent Wallis, MD had 17 Medicare Part D claims; 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.