James W. Callaghan, MD
Emergency Medicine Physician · Marrero, LA
James W. Callaghan, MD is an emergency medicine physician with a practice address in Marrero, Louisiana, and NPI 1043206840, issued on Sep 27, 2005. Check the license (Louisiana 020820, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James W. Callaghan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 020820 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-1533
- Enumerated
- Sep 27, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (504) 349-1530
- Medicaid ID
- 1906751 LA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,000 in Louisiana → Look up another NPI →
Also registered at 1101 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bilanta Aaron, NPAcute Care Nurse Practitioner1235094293
- Hernan Adames, MDInternal Medicine Physician1053567016
- Latoya Adams, APRNNurse Practitioner1548067085
- Eboni Addison, MSN APRN FNP-CFamily Nurse Practitioner1679192983
- Stephen Agans, MD/MPHUndersea and Hyperbaric Medicine (Preventive Medicine) Physician1730377607
- Nathan Aleger, MDInternal Medicine Physician1417652546
Verify James W. Callaghan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 020820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average emergency medicine physician in 2024
311 Medicare Part D claims for 166 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 53 claims were for opioids.
Most prescribed
- Tramadol Hcl38 claims
- Gabapentin18 claims
- Albuterol Sulfate Hfa16 claims
- Meloxicam14 claims
- Prednisone12 claims
- Dicyclomine Hcl11 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.
The MIPS final score for 2023 (Medicare payment program): 96.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
James W. Callaghan among 1,000 emergency medicine physician records in Louisiana
James W. Callaghan, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 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 Marrero
They are 22 of the 1,117 NPPES records with a practice address in Marrero, and 1,000 emergency medicine physician records in Louisiana.
All 1,000 in Louisiana → Every provider in Marrero → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Chugden, MDMarrero, LA 700721659367357
- Brian Dehart, MDMarrero, LA 700721730175530
- Damon Dietrich, MDMarrero, LA 700721801882600
- Robert Gruner, MDMarrero, LA 700721528054236
- Michael Isabelle, MDMarrero, LA 700721679593651
- John Lamartina, MDMarrero, LA 700721114028891
- Andrew Mayer, MDMarrero, LA 700721609862416
- Mark Rice, M.D.Marrero, LA 700721154502029
Common questions
What is James W. Callaghan, MD's NPI number?
James W. Callaghan, MD's National Provider Identifier (NPI) is 1043206840, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James W. Callaghan, MD located?
The NPPES record lists a practice address at 1101 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-1533. Providers update this record themselves, so call before visiting.
How can I verify James W. Callaghan, MD's license?
NPPES lists Louisiana license number 020820, 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 James W. Callaghan, MD prescribe under Medicare Part D?
In 2024, James W. Callaghan, MD had 311 Medicare Part D claims for 166 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is James W. Callaghan, MD's MIPS final score?
The 2023 MIPS final score is 96.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.