NPPES file of Aug 9, 2026

Nathaniel L. Peyton, M.D.

Gastroenterology Physician · New Orleans, LA

Nathaniel L. Peyton, M.D. is a gastroenterology physician with a practice address in New Orleans, Louisiana, and NPI 1336526938, issued on May 4, 2015. Check the license (Louisiana 308623, 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
1336526938
Name
Nathaniel L. Peyton
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
308623 LA
MD.44675 AL
Self-reported in NPPES; status is on the state search
Practice location
1542 Tulane Ave # T4M2, New Orleans, LA 70112
Phone
(504) 568-4006
Enumerated
May 4, 2015
Record last updated
Jul 19, 2022
Medicare enrollment
Enrolled (PECOS I20220725002596); accepts Medicare assignment
Medical or professional school
University Of Louisville School Of Medicine, 2015
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 1542 Tulane Ave # T4M2

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

  1. Robert Andres, M.D.Hospitalist Physician1043653686
  2. Siddhartha Bajracharya, MDNephrology Physician1033568357
  3. Kasha BornsteinStudent in an Organized Health Care Education/Training Program1679150056
  4. Christine Bruins, MDHospitalist Physician1659876589
  5. Allen Byl, DOStudent in an Organized Health Care Education/Training Program1740922798
  6. Jocelyn CarnicleDermatology Physician1639757594

Verify Nathaniel L. Peyton 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 308623
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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18% fewer Medicare Part D claims than the average gastroenterology physician in 2024

668 Medicare Part D claims for 267 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Nathaniel Peyton668
  2. Specialty average811

Most prescribed

  1. Omeprazole152 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf124 claims
  3. Pantoprazole Sodium70 claims
  4. Dicyclomine Hcl59 claims
  5. Sucralfate45 claims
  6. Colestipol Hcl34 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: $948.16

56 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathaniel Peyton$948.16
  2. Specialty average$5,015.95

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

Bills Medicare through one group practice

  1. Gastroenterology Associates OF North-Central Alabama IncAlabaster, AL

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

Nathaniel L. Peyton among 263 gastroenterology physician records in Louisiana

Nathaniel L. Peyton, M.D. is one of 263 gastroenterology 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 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2015 · median 2004 among the 207 with a school on file
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Louisiana

There are 263 gastroenterology physician records in Louisiana.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Adrienne Carona, MDNew Orleans, LA 701121235453242
  2. Sarah Glover, DONew Orleans, LA 701121174637300
  3. Henry Hefler, MDNew Orleans, LA 701121053588699
  4. John Hutchings, M.D.New Orleans, LA 701121598932774
  5. Stephen Landreneau, M.D.New Orleans, LA 701121578630232
  6. Nisha LoganantharajNew Orleans, LA 701121194145722
  7. Parth Parekh, M.D.New Orleans, LA 701121679862783
  8. Lauren Pointer, MDNew Orleans, LA 701121609255231

Common questions

What is Nathaniel L. Peyton, M.D.'s NPI number?

Nathaniel L. Peyton, M.D.'s National Provider Identifier (NPI) is 1336526938, issued on May 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel L. Peyton, M.D. located?

The NPPES record lists a practice address at 1542 Tulane Ave # T4M2, New Orleans, LA, 70112. Phone: (504) 568-4006. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel L. Peyton, M.D.'s license?

NPPES lists Louisiana license number 308623, 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 Nathaniel L. Peyton, M.D. prescribe under Medicare Part D?

In 2024, Nathaniel L. Peyton, M.D. had 668 Medicare Part D claims for 267 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.