NPPES file of Aug 9, 2026

Charles Allen Preston, MD

Emergency Medicine Physician · Slidell, LA

Charles Allen Preston, MD is an emergency medicine physician with a practice address in Slidell, Louisiana, and NPI 1639287659, issued on Aug 29, 2006. Check the license (Louisiana 018284, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639287659
Name
Charles Allen Preston
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
018284 LA
Self-reported in NPPES; status is on the state search
Practice location
985 Robert Blvd, Slidell, LA 70458
Phone
(985) 960-8300
Enumerated
Aug 29, 2006
Record last updated
Mar 15, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(985) 690-8301
Medicaid ID
1444570 LA
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

Also registered at 985 Robert Blvd

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

  1. Adrienne Bernhard, CRNA, MSCertified Registered Nurse Anesthetist1710970678
  2. Bert Bratton, MDSpecialist1275593675
  3. Wade Estopinal, MDEmergency Medicine Physician1144338153
  4. James Fambro, MDEmergency Medicine Physician1669410171
  5. Diana Gillmore, MDSurgery Physician1437147352
  6. Peter Hertzak, MDObstetrics & Gynecology Physician1740278134

Verify Charles Allen Preston 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 018284
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Charles Allen Preston among 1,000 emergency medicine physician records in Louisiana

Charles Allen Preston, MD is one of 1,000 emergency medicine physician records with a practice address in Louisiana. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% newer
  • In a Medicare fileNo · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2017 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 emergency medicine physician records list a practice address in Slidell

They are 22 of the 1,838 NPPES records with a practice address in Slidell, and 1,000 emergency medicine physician records in Louisiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Wade Estopinal, MDSlidell, LA 704581144338153
  2. James Fambro, MDSlidell, LA 704581669410171
  3. Elizabeth Fruge, MDSlidell, LA 704581922340710
  4. Jason Madatic, M.D.Slidell, LA 704581477528602
  5. Robert Mercadel, MDSlidell, LA 704581679689434
  6. Brenna Ramos, M.D.Slidell, LA 704581538401393
  7. Michelle Serpas, M.D.Slidell, LA 704581780651232
  8. Wayne Berkowitz, MDSlidell, LA 704611225076169

Common questions

What is Charles Allen Preston, MD's NPI number?

Charles Allen Preston, MD's National Provider Identifier (NPI) is 1639287659, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Allen Preston, MD located?

The NPPES record lists a practice address at 985 Robert Blvd, Slidell, LA, 70458. Phone: (985) 960-8300. Providers update this record themselves, so call before visiting.

How can I verify Charles Allen Preston, MD's license?

NPPES lists Louisiana license number 018284, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.