Registry data as of Aug 27, 2026

Charles Baier, M.D.

Internal Medicine Physician · Mandeville, LA

Charles Baier, M.D. is an internal medicine physician with a practice address in Mandeville, Louisiana, and NPI 1710905856, issued on Jul 17, 2006. Check the license (Louisiana 04477R, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1710905856
Name
Charles Baier
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
04477R LA
Self-reported in NPPES; status is on the state search
Practice location
201 St. Ann Dr., Mandeville, LA 70471
Phone
(985) 626-1717
Enumerated
Jul 17, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Charles Baier 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 04477R
    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.

3.6 times the Medicare Part D claims of the average internal medicine physician in 2024

9,992 Medicare Part D claims for 652 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 58 claims were for opioids.

  1. Charles Baier9,992
  2. Specialty average2,785

Most prescribed

  1. Levothyroxine Sodium646 claims
  2. Atorvastatin Calcium501 claims
  3. Amlodipine Besylate490 claims
  4. Rosuvastatin Calcium440 claims
  5. Lisinopril295 claims
  6. Gabapentin248 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: $83.86

5 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Baier$83.86
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. St Tammany Parish Hospital Service District NO 1Covington, LA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Internal Medicine Physician providers in Louisiana

There are 1,870 internal medicine physician records in Louisiana.

Other internal medicine physician records in Louisiana

  1. Alfred Abaunza, M.D.New Orleans, LA1093994287
  2. Mokhtar AbdallahBaton Rouge, LA1285050799
  3. David Abdehou, MDShreveport, LA1568471993
  4. Mazin Abdelghany, MDCovington, LA1427430669
  5. Youssef Abdelmalek, M.DAlexandria, LA1639553233
  6. Mary Abell, M.D.New Orleans, LA1083631089
  7. Halim Abou-Faycal, MDShreveport, LA1942241708
  8. Niksad Abraham, MDGonzales, LA1033246970
  9. Shaun Abraham, M.D.Baton Rouge, LA1174883722
  10. Shema Abraham, M.DLafayette, LA1285053405

Common questions

What is Charles Baier, M.D.'s NPI number?

Charles Baier, M.D.'s National Provider Identifier (NPI) is 1710905856, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Baier, M.D. located?

The NPPES record lists a practice address at 201 St. Ann Dr., Mandeville, LA, 70471. Phone: (985) 626-1717. Providers update this record themselves, so call before visiting.

How can I verify Charles Baier, M.D.'s license?

NPPES lists Louisiana license number 04477R, 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 Charles Baier, M.D. prescribe under Medicare Part D?

In 2024, Charles Baier, M.D. had 9,992 Medicare Part D claims for 652 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.