Nicholas Leaver
Emergency Medicine Physician · New York, NY
Nicholas Leaver is an emergency medicine physician with a practice address in New York, New York, and NPI 1306138722, issued on May 3, 2011. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nicholas Leaver
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 13886 NV
Self-reported in NPPES; status is on the state search - Practice location
- 400 W 128TH St Apt 53A, New York, NY 10027
- Phone
- (646) 409-7579
- Enumerated
- May 3, 2011
- Record last updated
- May 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240627000424); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Verify Nicholas Leaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average emergency medicine physician in 2024
261 Medicare Part D claims for 159 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa26 claims
- Prednisone22 claims
- Oxycodone-Acetaminophen19 claims
- Cephalexin18 claims
- Ondansetron Odt18 claims
- Doxycycline Hyclate17 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.
Bills Medicare through one group practice
- Emergency Physicians OF The Rockies, PCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Leaver among 5,025 emergency medicine physician records in New York
Nicholas Leaver is one of 5,025 emergency medicine 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 2011, is newer than 47% of them.
- NPI issued2011 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2013 among the 3,232 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,075 emergency medicine physician records list a practice address in New York
They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in New York → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Favelukes, M.D.New York, NY 100271548407935
- Carlton Cash, MDNew York, NY 100281083634737
- Gary Mazer, M.D.New York, NY 100281538337381
- Defne Nayman, M.D.New York, NY 100281215078472
- Susana Tinsay, MDNew York, NY 100281003844374
- Michael Verdirame, DONew York, NY 100281326075748
- Chao Yuan, M.DNew York, NY 100281851617906
- Nicholas Becker, MDNew York, NY 100251225664063
Common questions
What is Nicholas Leaver's NPI number?
Nicholas Leaver's National Provider Identifier (NPI) is 1306138722, issued on May 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Leaver located?
The NPPES record lists a practice address at 400 W 128TH St Apt 53A, New York, NY, 10027. Phone: (646) 409-7579. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Leaver's license?
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 Nicholas Leaver prescribe under Medicare Part D?
In 2024, Nicholas Leaver had 261 Medicare Part D claims for 159 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.