Registry data as of Aug 27, 2026

Esteban Gershanik, M.D., M.P.H.

Internal Medicine Physician · New Orleans, LA

Esteban Gershanik, M.D., M.P.H. is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1376723858, issued on Nov 13, 2007. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376723858
Name
Esteban Gershanik
Credential
M.D., M.P.H.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1430 Tulane Ave # SL-37, New Orleans, LA 70112
Phone
(504) 988-5800
Enumerated
Nov 13, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1430 Tulane Ave # SL-37

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

  1. Kannan Baskar, MDPediatrics Physician1225292980
  2. John Carlson, MD, PHDPediatrics Physician1700058310
  3. Diana Cejas, M.D.Student in an Organized Health Care Education/Training Program1356667752
  4. Mary Rossi, MDPediatrics Physician1598938110

Verify Esteban Gershanik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical ExaminersCheck 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.

99% fewer Medicare Part D claims than the average internal medicine physician in 2024

31 Medicare Part D claims for 11 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Esteban Gershanik31
  2. Specialty average2,785

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.

2 hospital and facility affiliations

  1. Brigham And Womens Physicians Organization IncBoston, MA
  2. Louisiana State University School OF Med IN New Orleans Faculty GrouNew Orleans, LA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

407 internal medicine physician records list a New Orleans practice address

They are 407 of the 13,668 NPPES records with a New Orleans practice address, and 1,870 internal medicine physician records in Louisiana.

Other internal medicine physician records in Louisiana

  1. Alfred Abaunza, M.D.New Orleans, LA1093994287
  2. Mokhtar AbdallahBaton Rouge, LA1285050799
  3. David Abdehou, MDShreveport, LA1568471993
  4. Mazin Abdelghany, MDCovington, LA1427430669
  5. Youssef Abdelmalek, M.DAlexandria, LA1639553233
  6. Mary Abell, M.D.New Orleans, LA1083631089
  7. Halim Abou-Faycal, MDShreveport, LA1942241708
  8. Niksad Abraham, MDGonzales, LA1033246970
  9. Shaun Abraham, M.D.Baton Rouge, LA1174883722
  10. Shema Abraham, M.DLafayette, LA1285053405

Common questions

What is Esteban Gershanik, M.D., M.P.H.'s NPI number?

Esteban Gershanik, M.D., M.P.H.'s National Provider Identifier (NPI) is 1376723858, issued on Nov 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Esteban Gershanik, M.D., M.P.H. located?

The NPPES record lists a practice address at 1430 Tulane Ave # SL-37, New Orleans, LA, 70112. Phone: (504) 988-5800. Providers update this record themselves, so call before visiting.

How can I verify Esteban Gershanik, M.D., M.P.H.'s license?

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 Esteban Gershanik, M.D., M.P.H. prescribe under Medicare Part D?

In 2024, Esteban Gershanik, M.D., M.P.H. had 31 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.