Leonidas Nikolaos Diamantopoulos, MD
Nuclear Medicine Physician · New York, NY
Leonidas Nikolaos Diamantopoulos, MD is a nuclear medicine physician with a practice address in New York, New York, and NPI 1295358273, issued on May 25, 2020. Check the license (New York 329062, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonidas Nikolaos Diamantopoulos
- Credential
- MD
- Primary taxonomy
- Nuclear Medicine Physician 207U00000X
- License numbers
- 329062 NY
73326 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1 Gustave L Levy PL # 1234, New York, NY 10029
- Phone
- (212) 241-3678
- Enumerated
- May 25, 2020
- Record last updated
- Jun 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20240530002496); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nuclear medicine physician records → All 100 in New York → Look up another NPI →
Also registered at 1 Gustave L Levy PL # 1234
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Boulos, MDStudent in an Organized Health Care Education/Training Program1366079949
- Shivani ChaudhryDiagnostic Radiology Physician1952955379
- Maria El HomsiBody Imaging Physician1295380756
- Eric FangDiagnostic Radiology Physician1699235838
- Amine GeahchanNuclear Medicine Physician1043076490
- Juan Lloret Del Hoyo, MDDiagnostic Radiology Physician1366115867
Verify Leonidas Nikolaos Diamantopoulos 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 329062Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average nuclear medicine physician in 2024
168 Medicare Part D claims for 63 beneficiaries, against an average of 285 among the 75 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 12 claims were for opioids.
Most prescribed
- Prednisone16 claims
- Zelboraf11 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
- North Shore-Lij Medical PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonidas Nikolaos Diamantopoulos among 100 nuclear medicine physician records in New York
Leonidas Nikolaos Diamantopoulos, MD is one of 100 nuclear medicine physician records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 1995 among the 59 with a school on file
- Record last updated2026 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207U00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nuclear Medicine Physician providers in New York
There are 100 nuclear medicine physician records in New York.
All 100 in New York → Every provider in New York → Nuclear Medicine Physician nationwide →
The 8 nuclear medicine physician records with the nearest ZIP codes
- Ahmed Abdelrahman, MDNew York, NY 100291730717117
- Amine GeahchanNew York, NY 100291043076490
- Nasrin Ghesani, MDNew York, NY 100291023193000
- Anthony Hafez, DONew York, NY 100291952839300
- Chun Kim, MDNew York, NY 100291417936212
- Bilal Omery, M.D.New York, NY 100291083933170
- Sampanna Rayamajhi, M.DNew York, NY 100291497270656
- Ron Rosen, M.D.New York, NY 100291750331468
Common questions
What is Leonidas Nikolaos Diamantopoulos, MD's NPI number?
Leonidas Nikolaos Diamantopoulos, MD's National Provider Identifier (NPI) is 1295358273, issued on May 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Leonidas Nikolaos Diamantopoulos, MD located?
The NPPES record lists a practice address at 1 Gustave L Levy PL # 1234, New York, NY, 10029. Phone: (212) 241-3678. Providers update this record themselves, so call before visiting.
How can I verify Leonidas Nikolaos Diamantopoulos, MD's license?
NPPES lists New York license number 329062, 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 Leonidas Nikolaos Diamantopoulos, MD prescribe under Medicare Part D?
In 2024, Leonidas Nikolaos Diamantopoulos, MD had 168 Medicare Part D claims for 63 beneficiaries; the average among nuclear medicine physician prescribers was 285. 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.