NPPES file of Aug 9, 2026

Gregory Paul Marks, MD

Otolaryngology Physician · New Orleans, LA

Gregory Paul Marks, MD is an otolaryngology physician with a practice address in New Orleans, Louisiana, and NPI 1487113692, issued on Mar 18, 2019. Check the license (Louisiana 347996, 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
1487113692
Name
Gregory Paul Marks
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
347996 LA
Self-reported in NPPES; status is on the state search
Practice location
533 Bolivar St Ste 566, New Orleans, LA 70112
Phone
(504) 568-4785
Enumerated
Mar 18, 2019
Record last updated
Aug 29, 2025
Medicare enrollment
Enrolled (PECOS I20250919001922); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2019
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.
Download card Updates feed

Also registered at 533 Bolivar St Ste 566

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

  1. Caroline Bonaventure, MDStudent in an Organized Health Care Education/Training Program1720720923
  2. Thomas Flowers, MDPediatric Otolaryngology Physician1821587460
  3. Neal Jackson, M.D.Otology & Neurotology Physician1245522234
  4. Ishwarya MamidiStudent in an Organized Health Care Education/Training Program1871172742
  5. Tyler McElwee, MDStudent in an Organized Health Care Education/Training Program1548780331
  6. Bailey Minehart, MDStudent in an Organized Health Care Education/Training Program1073076089

Verify Gregory Paul Marks 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 347996
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

91% fewer Medicare Part D claims than the average otolaryngology physician in 2024

51 Medicare Part D claims for 25 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Gregory Marks51
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate15 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: $1,409.68

12 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Marks$1,409.68
  2. Specialty average$1,922.50

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. Our Lady OF The Lake Physician Group LLCBaton Rouge, LA
  2. University OF Alabama Health Services Foundation, PCBirmingham, AL

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

Otolaryngology Physician providers in Louisiana

There are 226 otolaryngology physician records in Louisiana.

Other otolaryngology physician records in Louisiana

  1. Lacey Adkins, MDBaton Rouge, LA1972893816
  2. Carl Alldredge, M.D.Lafayette, LA1013986090
  3. John Alldredge, M.D.Lafayette, LA1689730749
  4. Phillip Allen, M.D.Baton Rouge, LA1538150701
  5. Lauren Anderson-Carriere, M.D.Natchitoches, LA1073785945
  6. Charles Anzalone, M.D.Lafayette, LA1477932861
  7. Ameya Asarkar, MDShreveport, LA1215484647
  8. Joseph Badeaux, MDAlexandria, LA1346244852
  9. Charles Ballay, M.D.Marrero, LA1043306392
  10. Henry Barham, M.D.Baton Rouge, LA1144463613

Common questions

What is Gregory Paul Marks, MD's NPI number?

Gregory Paul Marks, MD's National Provider Identifier (NPI) is 1487113692, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Paul Marks, MD located?

The NPPES record lists a practice address at 533 Bolivar St Ste 566, New Orleans, LA, 70112. Phone: (504) 568-4785. Providers update this record themselves, so call before visiting.

How can I verify Gregory Paul Marks, MD's license?

NPPES lists Louisiana license number 347996, 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 Gregory Paul Marks, MD prescribe under Medicare Part D?

In 2024, Gregory Paul Marks, MD had 51 Medicare Part D claims for 25 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.