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
- Record last updated
- Apr 9, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 376-6156
- Medicare enrollment
- Enrolled (PECOS I20051227000373); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
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
21% 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 165 among the 28,733 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through one group practice
- North Shore-Lij Medical PCWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Athanasios Antoniadis among 3,174 obstetrics & gynecology physician records in New York
Athanasios Antoniadis, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1988 · median 2002 among the 1,870 with a school on file
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 obstetrics & gynecology physician records list a practice address in West Islip
They are 19 of the 1,107 NPPES records with a practice address in West Islip, and 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in West Islip → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jacqueline Ammirata, MDWest Islip, NY 117951104938455
- Laura Falkowski, D.O.West Islip, NY 117951588975023
- Peter Judge, MDWest Islip, NY 117951154407997
- Margarita Jurak, M.D.West Islip, NY 117951093907297
- Richard Klein, M.D.West Islip, NY 117951205903978
- Denise Lester, MDWest Islip, NY 117951699887034
- Joseph Livoti, M.D.West Islip, NY 117951801811179
- Maria Lockhart, MDWest Islip, NY 117951801908249
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 165. Part D covers Medicare prescriptions only.
What is Athanasios Antoniadis, M.D.'s MIPS final 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), 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.