NPPES file of Aug 9, 2026

Guillaume Le

Endocrinology, Diabetes & Metabolism Physician · New York, NY

Guillaume Le is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1902366487, issued on Mar 21, 2019. Check the license (New York 332365, 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
1902366487
Name
Guillaume Le
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
332365 NY
Self-reported in NPPES; status is on the state search
Practice location
160 W 26TH St FL 3, New York, NY 10001
Phone
(646) 660-9999
Enumerated
Mar 21, 2019
Record last updated
Oct 17, 2024
Fax
(646) 778-3485
Medicare enrollment
Enrolled (PECOS I20241023000284); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2019
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 160 W 26TH St FL 3

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

  1. Elie Al Kazzi, M.D, MPHGastroenterology Physician1730541970
  2. Daniel Cadena Castillo, M.D.Endocrinology, Diabetes & Metabolism Physician1225269673
  3. Najabh Farraj, P.A.Physician Assistant1992763775
  4. Amanda GoldstoneInternal Medicine Physician1700230588
  5. Joel Hillelsohn, MDUrology Physician1609210731
  6. Priya JaisinghaniEndocrinology, Diabetes & Metabolism Physician1942738547

Verify Guillaume Le 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 332365
    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

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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97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

67 Medicare Part D claims for 16 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Guillaume Le67
  2. Specialty average2,630

Most prescribed

  1. Methimazole14 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: $56.19

3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Guillaume Le$56.19
  2. Specialty average$5,742.15

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. New York UniversityNew York, NY

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

Guillaume Le among 970 endocrinology, diabetes & metabolism physician records in New York

Guillaume Le is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2019 · median 2004 among the 694 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New York

There are 970 endocrinology, diabetes & metabolism physician records in New York.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Daniel Cadena Castillo, M.D.New York, NY 100011225269673
  2. Sonya Chaudhari, M.D.New York, NY 100011770016487
  3. Ashita Gupta, MD, MPHNew York, NY 100011053630699
  4. Priya JaisinghaniNew York, NY 100011942738547
  5. Amanda PechmanNew York, NY 100011942731567
  6. Tamar Reisman, M.D.New York, NY 100011992077366
  7. Joshua Safer, M.D.New York, NY 100011225018245
  8. Iven Young, MD.New York City, NY 100011720174717

Common questions

What is Guillaume Le's NPI number?

Guillaume Le's National Provider Identifier (NPI) is 1902366487, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Guillaume Le located?

The NPPES record lists a practice address at 160 W 26TH St FL 3, New York, NY, 10001. Phone: (646) 660-9999. Providers update this record themselves, so call before visiting.

How can I verify Guillaume Le's license?

NPPES lists New York license number 332365, 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 Guillaume Le prescribe under Medicare Part D?

In 2024, Guillaume Le had 67 Medicare Part D claims for 16 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.