Athanasios Antoniadis, M.D.
Obstetrics & Gynecology Physician · West Islip, NY
Athanasios Antoniadis, M.D. is an obstetrics & gynecology physician with a practice address in West Islip, New York, and NPI 1730286485, issued on Sep 17, 2006. Check the license (New York 1831001, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Athanasios Antoniadis
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 1831001 NY
Self-reported in NPPES; status is on the state search - Practice location
- 750 Montauk Hwy, West Islip, NY 11795
- Phone
- (631) 376-1010
- Enumerated
- Sep 17, 2006
- Entity
- Type 1 · individual
Verify Athanasios Antoniadis 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 1831001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
6% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
200 Medicare Part D claims for 65 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Terconazole26 claims
- Estradiol23 claims
- Fluconazole18 claims
- Premarin18 claims
- Valacyclovir13 claims
- Ketoconazole12 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 Medicare quality score for 2023: 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- North Shore-Lij Medical PCWest Islip, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
18 obstetrics & gynecology physician records list a West Islip practice address
They are 18 of the 1,107 NPPES records with a West Islip practice address, and 3,105 obstetrics & gynecology physician records in New York.
All 18 in West Islip → All 3,105 in New York → Every provider in West Islip →
Other obstetrics & gynecology physician records in New York
- Gila Aaron, M.D.New York, NY1457352965
- David Abayev, D.O.Rego Park, NY1366495517
- Maria Abbattista, MDScarsdale, NY1417019407
- Steven Abbey, MDBuffalo, NY1326267741
- Aiman Abboud, MD DOBrooklyn, NY1063511970
- Ehab Abdelmalek, MDBrooklyn, NY1366599755
- Mazin Abdullah, M.DPotsdam, NY1831241629
- Sarah AbelmanBay Shore, NY1720617566
- Sayedeh-Fatemeh Abhary, M.D.Brooklyn, NY1194891960
- Baruch AbittanGreat Neck, NY1295129450
Common questions
What is Athanasios Antoniadis, M.D.'s NPI number?
Athanasios Antoniadis, M.D.'s National Provider Identifier (NPI) is 1730286485, issued on Sep 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Athanasios Antoniadis, M.D. located?
The NPPES record lists a practice address at 750 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 376-1010. Providers update this record themselves, so call before visiting.
How can I verify Athanasios Antoniadis, M.D.'s license?
NPPES lists New York license number 1831001, 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 Athanasios Antoniadis, M.D. prescribe under Medicare Part D?
In 2024, Athanasios Antoniadis, M.D. had 200 Medicare Part D claims for 65 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.
What is Athanasios Antoniadis, M.D.'s Medicare quality score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.