NPPES file of Aug 9, 2026

Carl M. Gauthier, M.D.

Rheumatology Physician · Hammond, LA

Carl M. Gauthier, M.D. is a rheumatology physician with a practice address in Hammond, Louisiana, and NPI 1649460239, issued on Jul 30, 2007. Check the license (Louisiana MD.201999, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649460239
Name
Carl M. Gauthier
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
MD.201999 LA
Self-reported in NPPES; status is on the state search
Practice location
15813 Paul Vega MD Dr Ste 400, Hammond, LA 70403
Phone
(985) 230-1835
Enumerated
Jul 30, 2007
Record last updated
Dec 8, 2022
Fax
(985) 230-1836
Medicaid ID
1077330 LA
Medicare enrollment
Enrolled (PECOS I20110818000891); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2006
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 Carl M. Gauthier 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 MD.201999
    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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7.8 times the Medicare Part D claims of the average rheumatology physician in 2024

15,486 Medicare Part D claims for 1,212 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 3,744 claims were for opioids.

  1. Carl Gauthier15,486
  2. Specialty average1,978

Most prescribed

  1. Hydrocodone-Acetaminophen1,296 claims
  2. Hydroxychloroquine Sulfate1,290 claims
  3. Tramadol Hcl1,158 claims
  4. Oxycodone-Acetaminophen1,104 claims
  5. Prednisone838 claims
  6. Meloxicam655 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 practice group's MIPS final score for 2023 (Medicare payment program): 78.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.9
  2. Costout of 100 · 30%51.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $21,050.54

95 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carl Gauthier$21,051
  2. Specialty average$8,538

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. North Oaks Medical Center LLCHammond, LA
  2. North Oaks Physician Group LLCHammond, LA

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

Carl M. Gauthier among 89 rheumatology physician records in Louisiana

Carl M. Gauthier, M.D. is one of 89 rheumatology physician records with a practice address in Louisiana. 88% 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 47% of them.

  • NPI issued2007 · 47% of these records are older, 35% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2006 · median 2004 among the 66 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Louisiana

There are 89 rheumatology physician records in Louisiana.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Jeanine Martin, DOCovington, LA 704331629303656
  2. Therese Posas-Mendoza, MDCovington, LA 704331538566062
  3. Malik Spady, M.D.Covington, LA 704331649259789
  4. Suman Lata, M.D.Houma, LA 703631780875724
  5. Jonathan Schouest, MDLacombe, LA 704451972007714
  6. Phillip Sedrish, MD, FACRSlidell, LA 704581992864128
  7. Marielisa Sedrish, MD, FACRSlidell, LA 704581962561191
  8. Sarah Kirkpatrick, FNP-CLafayette, LA 705031659002764

Common questions

What is Carl M. Gauthier, M.D.'s NPI number?

Carl M. Gauthier, M.D.'s National Provider Identifier (NPI) is 1649460239, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carl M. Gauthier, M.D. located?

The NPPES record lists a practice address at 15813 Paul Vega MD Dr Ste 400, Hammond, LA, 70403. Phone: (985) 230-1835. Providers update this record themselves, so call before visiting.

How can I verify Carl M. Gauthier, M.D.'s license?

NPPES lists Louisiana license number MD.201999, 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 Carl M. Gauthier, M.D. prescribe under Medicare Part D?

In 2024, Carl M. Gauthier, M.D. had 15,486 Medicare Part D claims for 1,212 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Carl M. Gauthier, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.1 of 100, reported for the practice group. 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.