Sydney S. Yoon, M.D.
Diagnostic Radiology Physician · Oceanside, NY
Sydney S. Yoon, M.D. is a diagnostic radiology physician with a practice address in Oceanside, New York, and NPI 1366425126, issued on Nov 25, 2005. Check the license (New York 191691, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sydney S. Yoon
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 191691 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Healthy Way, Oceanside, NY 11572
- Phone
- (516) 632-4660
- Enumerated
- Nov 25, 2005
- Record last updated
- May 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20040313000671); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 1 Healthy Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geraldine Abbey-Mensah, M.D.Vascular & Interventional Radiology Physician1447530167
- Gabrielle Abbott, PAPhysician Assistant1669158036
- Batool Abiad, DOStudent in an Organized Health Care Education/Training Program1932040359
- Wray AdamsCertified Registered Nurse Anesthetist1548598675
- Anubhav Agarwal, MDSports Medicine (Family Medicine) Physician1568709244
- Brody Agres, PA-CMedical Physician Assistant1689470502
Verify Sydney S. Yoon 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 191691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average diagnostic radiology physician in 2024
56 Medicare Part D claims for 22 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Ibuprofen16 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $448.54
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 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 2 group practices
- Icahn School OF Medicine AT Mount SinaiOceanside, NY
- North Shore Medical Group OF The Mount Sinai School OF MedicineWantagh, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sydney S. Yoon among 3,146 diagnostic radiology physician records in New York
Sydney S. Yoon, M.D. is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1986 · median 2002 among the 2,169 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in New York
There are 3,146 diagnostic radiology physician records in New York.
All 3,146 in New York → Every provider in Oceanside → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Stephen Judge, DOOceanside, NY 115721932696168
- Stephen Lastig, M.D.Oceanside, NY 115721568452944
- Andrew Lim, MDOceanside, NY 115721073042537
- Mark Lodespoto, M.D.Oceanside, NY 115721902896541
- Vinh Phan, M.D.Oceanside, NY 115721871759670
- Lee Stein, M.D.Oceanside, NY 115721780674333
- Lucille Taverna, MDOceanside, NY 115721235131764
- Michael Winn, M.D.Oceanside, NY 115721700876281
Common questions
What is Sydney S. Yoon, M.D.'s NPI number?
Sydney S. Yoon, M.D.'s National Provider Identifier (NPI) is 1366425126, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sydney S. Yoon, M.D. located?
The NPPES record lists a practice address at 1 Healthy Way, Oceanside, NY, 11572. Phone: (516) 632-4660. Providers update this record themselves, so call before visiting.
How can I verify Sydney S. Yoon, M.D.'s license?
NPPES lists New York license number 191691, 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 Sydney S. Yoon, M.D. prescribe under Medicare Part D?
In 2024, Sydney S. Yoon, M.D. had 56 Medicare Part D claims for 22 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Sydney S. Yoon, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.