NPPES file of Aug 9, 2026

Charles Callan Mary, MD

Internal Medicine Physician · Metairie, LA

Charles Callan Mary, MD is an internal medicine physician with a practice address in Metairie, Louisiana, and NPI 1780891523, issued on May 17, 2007. Check the license (Louisiana 023420, 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
1780891523
Name
Charles Callan Mary
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
023420 LA
Self-reported in NPPES; status is on the state search
Practice location
3813 N Causeway Blvd, Metairie, LA 70002
Phone
(504) 833-4338
Enumerated
May 17, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(504) 849-1299
Medicare enrollment
Enrolled (PECOS I20090626000595); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1996
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 Charles Callan Mary 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 023420
    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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49% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,620 Medicare Part D claims for 851 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Charles Mary1,620
  2. Specialty average3,176

Most prescribed

  1. Azithromycin441 claims
  2. Prednisone292 claims
  3. Meloxicam77 claims
  4. Tizanidine Hcl74 claims
  5. Ciprofloxacin Hcl61 claims
  6. Amoxicillin-Clavulanate Potass50 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: $29.99

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Mary$29.99
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Lcmc Urgent Care LLCTerrytown, LA
  2. New Orleans Physician Services IncMarrero, LA

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

Charles Callan Mary among 1,749 internal medicine physician records in Louisiana

Charles Callan Mary, MD is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1996 · median 2008 among the 1,216 with a school on file
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 internal medicine physician records list a practice address in Metairie

They are 76 of the 5,682 NPPES records with a practice address in Metairie, and 1,749 internal medicine physician records in Louisiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Brown, MDMetairie, LA 700021972560860
  2. James Conway, MDMetairie, LA 700021356308274
  3. Janine Ferrier, MDMetairie, LA 700021952501272
  4. Leia Frickey, MDMetairie, LA 700021235322074
  5. Dwight Green, MDMetairie, LA 700021255389888
  6. Brian Helmstetter, D.O.Metairie, LA 700021780989418
  7. Angele Lafleur, DOMetairie, LA 700021306141031
  8. Ryan LeeMetairie, LA 700021659695161

Common questions

What is Charles Callan Mary, MD's NPI number?

Charles Callan Mary, MD's National Provider Identifier (NPI) is 1780891523, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles Callan Mary, MD located?

The NPPES record lists a practice address at 3813 N Causeway Blvd, Metairie, LA, 70002. Phone: (504) 833-4338. Providers update this record themselves, so call before visiting.

How can I verify Charles Callan Mary, MD's license?

NPPES lists Louisiana license number 023420, 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 Callan Mary, MD prescribe under Medicare Part D?

In 2024, Charles Callan Mary, MD had 1,620 Medicare Part D claims for 851 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.