NPPES file of Aug 9, 2026

Michael D. O'Neal, M.D.

Internal Medicine Physician · Monroe, LA

Michael D. O'Neal, M.D. is an internal medicine physician with a practice address in Monroe, Louisiana, and NPI 1639370760, issued on May 29, 2007. Check the license (Louisiana 201227, 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
1639370760
Name
Michael D. O'Neal
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
201227 LA
Self-reported in NPPES; status is on the state search
Practice location
309 Jackson St, Monroe, LA 71201
Phone
(318) 966-4540
Enumerated
May 29, 2007
Record last updated
Mar 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(318) 966-4543
Medicare enrollment
Enrolled (PECOS I20080624000555); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 2005
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 309 Jackson St

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

  1. Farah Ahsan, MDFamily Medicine Physician1093548299
  2. Maria Akhtar, MDStudent in an Organized Health Care Education/Training Program1982586111
  3. Ramy Ali, M.D.Internal Medicine Physician1508233172
  4. Kristin Anderson, NPObstetrics & Gynecology Nurse Practitioner1568957819
  5. Hasnan Arshad, M.D.Student in an Organized Health Care Education/Training Program1023806304
  6. Anderson Austin, FNPCFamily Nurse Practitioner1457383739

Verify Michael D. O'Neal 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 201227
    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

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

34 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Michael O'Neal34
  2. Specialty average3,176

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. Lsu Health Sciences Center Shreveport Faculty Group PracticeShreveport, LA

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

42 internal medicine physician records list a practice address in Monroe

They are 42 of the 3,365 NPPES records with a practice address in Monroe, and 1,749 internal medicine physician records in Louisiana.

Other internal medicine physician records in Louisiana

  1. Alfred Abaunza, M.D.New Orleans, LA1093994287
  2. David Abdehou, MDShreveport, LA1568471993
  3. Youssef Abdelmalek, M.DAlexandria, LA1639553233
  4. Mohammed Abdelsalam, MDNew Orleans, LA1922740190
  5. Mary Abell, M.D.New Orleans, LA1083631089
  6. Shema Abraham, M.DLafayette, LA1285053405
  7. Candice Abuso, MDHarvey, LA1780670489
  8. Aaron Ackley, M.D.Lafayette, LA1699209015
  9. Marc Acosta, M.D.Metairie, LA1891868840
  10. Scott Acosta, MDMarrero, LA1023018199

Common questions

What is Michael D. O'Neal, M.D.'s NPI number?

Michael D. O'Neal, M.D.'s National Provider Identifier (NPI) is 1639370760, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael D. O'Neal, M.D. located?

The NPPES record lists a practice address at 309 Jackson St, Monroe, LA, 71201. Phone: (318) 966-4540. Providers update this record themselves, so call before visiting.

How can I verify Michael D. O'Neal, M.D.'s license?

NPPES lists Louisiana license number 201227, 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 D. O'Neal, M.D. prescribe under Medicare Part D?

In 2024, Michael D. O'Neal, M.D. had 34 Medicare Part D claims for 14 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.