Ioanis C. Siderias, MD
Emergency Medicine Physician · Sayville, NY
Ioanis C. Siderias, MD is an emergency medicine physician with a practice address in Sayville, New York, and NPI 1164463857, issued on Jun 10, 2006. Check the license (New York 217866, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ioanis C. Siderias
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 217866 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5600 Sunrise Hwy, Sayville, NY 11782
- Phone
- (631) 563-7828
- Enumerated
- Jun 10, 2006
- Record last updated
- Oct 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (631) 265-5128
- Medicare enrollment
- Enrolled (PECOS I20040426000159); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 5600 Sunrise Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Bopp, MDEmergency Medicine Physician1861418857
- Christina Izzo, P.APhysician Assistant1891097317
- Andrew JacobsFamily Medicine Physician1538522487
- Susan Napoli, PAPhysician Assistant1558655514
Verify Ioanis C. Siderias 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 217866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average emergency medicine physician in 2024
915 Medicare Part D claims for 514 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Prednisone142 claims
- Doxycycline Hyclate140 claims
- Albuterol Sulfate Hfa94 claims
- Cephalexin79 claims
- Azithromycin46 claims
- Doxycycline Monohydrate40 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- City Medical OF Upper East Side PLLCSayville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ioanis C. Siderias among 5,025 emergency medicine physician records in New York
Ioanis C. Siderias, MD 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 72% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1999 · median 2013 among the 3,232 with a school on file
- Record last updated2013 · 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).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Sayville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- James Bopp, MDSayville, NY 117821861418857
- Angela Devine, DOSaint James, NY 117801265992887
- Essa Mehkri, D.OSaint James, NY 117801376806349
- Brian Neal, D.O.Ronkonkoma, NY 117791518251263
- Steven Salvatore, D.O.Ronkonkoma, NY 117791487740601
- Kathleen Delaney, MDShoreham, NY 117861932162666
- Sarah Arzt, DOSmithtown, NY 117871184646176
- Teresa Bebirian, PA-CPort Jefferson, NY 117771417664574
Common questions
What is Ioanis C. Siderias, MD's NPI number?
Ioanis C. Siderias, MD's National Provider Identifier (NPI) is 1164463857, issued on Jun 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ioanis C. Siderias, MD located?
The NPPES record lists a practice address at 5600 Sunrise Hwy, Sayville, NY, 11782. Phone: (631) 563-7828. Providers update this record themselves, so call before visiting.
How can I verify Ioanis C. Siderias, MD's license?
NPPES lists New York license number 217866, 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 Ioanis C. Siderias, MD prescribe under Medicare Part D?
In 2024, Ioanis C. Siderias, MD had 915 Medicare Part D claims for 514 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ioanis C. Siderias, MD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.