NPPES file of Aug 9, 2026

Louis J. Cohen, M.D.

Gastroenterology Physician · New York, NY

Louis J. Cohen, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1144425679, issued on Jun 15, 2007. Check the license (New York 256634, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1144425679
Name
Louis J. Cohen
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
256634 NY
Self-reported in NPPES; status is on the state search
Practice location
5 E 98TH St, New York, NY 10029
Phone
(212) 241-4299
Enumerated
Jun 15, 2007
Record last updated
Feb 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(212) 426-5099
Medicare enrollment
Enrolled (PECOS I20150818005315); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2007
Telehealth
Offers telehealth (CMS)
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 5 E 98TH St

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

  1. Noura Abul-Husn, M.D., PH.D.Clinical Genetics (M.D.) Physician1598907438
  2. Briana Adler, MS RD CDN CDERegistered Dietitian1033641733
  3. Manasi Agrawal, MDGastroenterology Physician1639488430
  4. Jawad Ahmad, MDHepatology Physician1104898311
  5. Sarah Ahn, DCChiropractor1023717261
  6. Anna Akerstedt, PH.D.Clinical Psychologist1831344829

Verify Louis J. Cohen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 256634
    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 New York license search

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63% fewer Medicare Part D claims than the average gastroenterology physician in 2024

298 Medicare Part D claims for 32 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Louis Cohen298
  2. Specialty average811

Most prescribed

  1. Humira(Cf) Pen28 claims
  2. Omeprazole26 claims
  3. Stelara20 claims
  4. Diphenoxylate-Atropine19 claims
  5. Mesalamine16 claims
  6. Clonazepam14 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: $19,647.63

10 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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. Louis Cohen$19,648
  2. Specialty average$5,016

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. Icahn School OF Medicine AT Mount SinaiAstoria, NY

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

Louis J. Cohen among 1,797 gastroenterology physician records in New York

Louis J. Cohen, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 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 56% of them.

  • NPI issued2007 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2007 · median 1999 among the 1,378 with a school on file
  • Record last updated2019 · 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 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Efsevia Albanis, MDNew York, NY 100291346268174
  2. Charissa Chang, MDNew York, NY 100291649299686
  3. Lawrence Cohen, M.D.New York, NY 100291023010956
  4. Scott Friedman, MDNew York, NY 100291184656209
  5. Steven Itzkowitz, MDNew York, NY 100291568499036
  6. Michelle Kim, MDNew York, NY 100291851319651
  7. Eric Lemmer, MDNew York, NY 100291760412274
  8. Patricia Lopez, MDNew York, NY 100291275551004

Common questions

What is Louis J. Cohen, M.D.'s NPI number?

Louis J. Cohen, M.D.'s National Provider Identifier (NPI) is 1144425679, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Louis J. Cohen, M.D. located?

The NPPES record lists a practice address at 5 E 98TH St, New York, NY, 10029. Phone: (212) 241-4299. Providers update this record themselves, so call before visiting.

How can I verify Louis J. Cohen, M.D.'s license?

NPPES lists New York license number 256634, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Louis J. Cohen, M.D. prescribe under Medicare Part D?

In 2024, Louis J. Cohen, M.D. had 298 Medicare Part D claims for 32 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.