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.
- 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
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
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.
- Elie Al Kazzi, M.D, MPHGastroenterology Physician1730541970
- Daniel Cadena Castillo, M.D.Endocrinology, Diabetes & Metabolism Physician1225269673
- Najabh Farraj, P.A.Physician Assistant1992763775
- Amanda GoldstoneInternal Medicine Physician1700230588
- Joel Hillelsohn, MDUrology Physician1609210731
- Priya JaisinghaniEndocrinology, Diabetes & Metabolism Physician1942738547
Verify Guillaume Le in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 332365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- 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.
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
- 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.
All 970 in New York → Every provider in New York → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Daniel Cadena Castillo, M.D.New York, NY 100011225269673
- Sonya Chaudhari, M.D.New York, NY 100011770016487
- Ashita Gupta, MD, MPHNew York, NY 100011053630699
- Priya JaisinghaniNew York, NY 100011942738547
- Amanda PechmanNew York, NY 100011942731567
- Tamar Reisman, M.D.New York, NY 100011992077366
- Joshua Safer, M.D.New York, NY 100011225018245
- 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.