Derek Leroith, MD PHD
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Derek Leroith, MD PHD is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1386662039, issued on Jul 18, 2006. Check the license (New York 144007, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Derek Leroith
- Credential
- MD PHD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 144007 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 East 98TH Street, New York, NY 10029
- Phone
- (212) 241-7975
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 423-0508
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 5 East 98TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Derek Leroith 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 144007Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $183.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Derek Leroith among 970 endocrinology, diabetes & metabolism physician records in New York
Derek Leroith, MD PHD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2007 · 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
- Tracy Breen, MDNew York, NY 100291396777413
- Andrea Dunaif, MDNew York, NY 100291063442473
- Eliza Geer, MDNew York, NY 100291073627063
- Richard Haber, MDNew York, NY 100291932131133
- Alice Levine, MDNew York, NY 100291750313953
- Carol Levy, MDNew York, NY 100291710074893
- Robert Matz, M.D.New York, NY 100291396760500
- Maria Paliou, M.D.New York, NY 100291700844644
Common questions
What is Derek Leroith, MD PHD's NPI number?
Derek Leroith, MD PHD's National Provider Identifier (NPI) is 1386662039, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek Leroith, MD PHD located?
The NPPES record lists a practice address at 5 East 98TH Street, New York, NY, 10029. Phone: (212) 241-7975. Providers update this record themselves, so call before visiting.
How can I verify Derek Leroith, MD PHD's license?
NPPES lists New York license number 144007, 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.
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.