Leonard Leonidas
Internal Medicine Physician · Castleton, NY
Leonard Leonidas is an internal medicine physician with a practice address in Castleton, New York, and NPI 1467536391, issued on Oct 25, 2006. Check the license (New York 236721, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard Leonidas
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 236721 NY
Self-reported in NPPES; status is on the state search - Practice location
- 35 Empire State Blvd, Castleton, NY 12033
- Phone
- (518) 477-2167
- Enumerated
- Oct 25, 2006
- Record last updated
- Nov 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (518) 477-5182
- Medicaid ID
- 02684724 NY
- Medicare enrollment
- Enrolled (PECOS I20050826000596); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2001
- Entity
- Type 1 · individual
Also registered at 35 Empire State Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nichole Adams, PA-CPhysician Assistant1255802567
- Madeline Amedore, FNP-BCFamily Nurse Practitioner1952148017
- Kelli Barry, MDInternal Medicine Physician1124287917
- Alissa Carter, FNPFamily Nurse Practitioner1073079828
- Paige Evans, PA-CPhysician Assistant1710524756
- Eleanor Fiacco, FNP-BCFamily Nurse Practitioner1679142376
Verify Leonard Leonidas 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 236721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average internal medicine physician in 2024
6,169 Medicare Part D claims for 721 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 491 claims were for opioids.
Most prescribed
- Atorvastatin Calcium318 claims
- Alprazolam244 claims
- Levothyroxine Sodium230 claims
- Omeprazole223 claims
- Hydrocodone-Acetaminophen202 claims
- Lisinopril198 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: $17.06
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Community Care Physicians PLLCLatham, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 internal medicine physician records list a practice address in Castleton
They are 8 of the 159 NPPES records with a practice address in Castleton, and 12,067 internal medicine physician records in New York.
All 8 in Castleton → All 12,067 in New York → Every provider in Castleton →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Leonard Leonidas's NPI number?
Leonard Leonidas's National Provider Identifier (NPI) is 1467536391, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Leonidas located?
The NPPES record lists a practice address at 35 Empire State Blvd, Castleton, NY, 12033. Phone: (518) 477-2167. Providers update this record themselves, so call before visiting.
How can I verify Leonard Leonidas's license?
NPPES lists New York license number 236721, 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 Leonard Leonidas prescribe under Medicare Part D?
In 2024, Leonard Leonidas had 6,169 Medicare Part D claims for 721 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.