NPPES file of Aug 9, 2026

Dennis Michael Sullivan, M.D.

Emergency Medicine Physician · West Monroe, LA

Dennis Michael Sullivan, M.D. is an emergency medicine physician with a practice address in West Monroe, Louisiana, and NPI 1861421265, issued on Jun 30, 2006. Check the license (Louisiana 017356, 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
1861421265
Name
Dennis Michael Sullivan
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
017356 LA
Self-reported in NPPES; status is on the state search
Practice location
703 Comanche Trl, West Monroe, LA 71291
Phone
(318) 396-4828
Enumerated
Jun 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
1941549 LA
Medicare enrollment
Enrolled (PECOS I20050707000286); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1983
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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Verify Dennis Michael Sullivan 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 017356
    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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68% more Medicare Part D claims than the average emergency medicine physician in 2024

380 Medicare Part D claims for 256 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 88 claims were for opioids.

  1. Dennis Sullivan380
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen71 claims
  2. Sulfamethoxazole-Trimethoprim24 claims
  3. Ciprofloxacin Hcl18 claims
  4. Methylprednisolone16 claims
  5. Diphenoxylate-Atropine15 claims
  6. Ondansetron Odt15 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. Richland Parish Hospital Service District NO 1-BRayville, LA

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

Dennis Michael Sullivan among 1,000 emergency medicine physician records in Louisiana

Dennis Michael Sullivan, M.D. 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. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1983 · median 2010 among the 653 with a school on file
  • Record last updated2007 · 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).

Emergency Medicine Physician providers in Louisiana

There are 1,000 emergency medicine physician records in Louisiana.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Edward Calvert, MDWest Monroe, LA 712911154369726
  2. Gary Baskin, MDWinnsboro, LA 712951518196419
  3. Ryan Harrison, MDWinnsboro, LA 712951528222460
  4. Melissa Traxler, MDWinnsboro, LA 712951073556502
  5. Charlotte Vonn, MDWinnsboro, LA 712951285977710
  6. Vernon Cantwell, MDAlexandria, LA 713011033164918
  7. George Edwards, MDAlexandria, LA 713011548229636
  8. John Giroir, MDAlexandria, LA 713011962441766

Common questions

What is Dennis Michael Sullivan, M.D.'s NPI number?

Dennis Michael Sullivan, M.D.'s National Provider Identifier (NPI) is 1861421265, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Michael Sullivan, M.D. located?

The NPPES record lists a practice address at 703 Comanche Trl, West Monroe, LA, 71291. Phone: (318) 396-4828. Providers update this record themselves, so call before visiting.

How can I verify Dennis Michael Sullivan, M.D.'s license?

NPPES lists Louisiana license number 017356, 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 Dennis Michael Sullivan, M.D. prescribe under Medicare Part D?

In 2024, Dennis Michael Sullivan, M.D. had 380 Medicare Part D claims for 256 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.