Ik-Sung Kwon, M.D.
Retina Specialist (Ophthalmology) Physician · Warsaw, NY
Ik-Sung Kwon, M.D. is a retina specialist (ophthalmology) physician with a practice address in Warsaw, New York, and NPI 1366468035, issued on Jul 14, 2006. Check the license (New York 216936, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ik-Sung Kwon
- Credential
- M.D.
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 216936 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2469 State Route 19 N, Warsaw, NY 14569
- Phone
- (585) 786-2288
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (585) 786-5371
- Medicare enrollment
- Enrolled (PECOS I20090708000606); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 102 in New York → Look up another NPI →
Also registered at 2469 State Route 19 N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sofia Elbaamrani, ODOptometrist1568813103
- Peter Freitag, O.D.Optometrist1023372463
- Kenneth Herlihy, O.D.Specialist1952304230
- Reginald Ishman, M.D.Ophthalmic Plastic and Reconstructive Surgery Physician1710980016
- Christina LordOptometrist1285187310
- Sarah Marasco, ODOptometrist1912566845
Verify Ik-Sung Kwon 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 216936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average retina specialist (ophthalmology) physician in 2024
2,340 Medicare Part D claims for 707 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 50 claims were for opioids.
Most prescribed
- Ofloxacin974 claims
- Brimonidine Tartrate232 claims
- Latanoprost228 claims
- Moxifloxacin215 claims
- Timolol Maleate172 claims
- Prednisolone Acetate120 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): 100 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).
Industry payments in 2024: $232.04
10 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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
- University Eye Specialists, PCDansville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ik-Sung Kwon among 102 retina specialist (ophthalmology) physician records in New York
Ik-Sung Kwon, M.D. is one of 102 retina specialist (ophthalmology) physician records with a practice address in New York. over 99% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 60% newer
- In a Medicare fileYes · over 99% of these records are
- In the CMS Doctors and Clinicians fileYes · 96% of these records are
- Graduated1998 · median 2004 among the 98 with a school on file
- Record last updated2018 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in New York
There are 102 retina specialist (ophthalmology) physician records in New York.
All 102 in New York → Every provider in Warsaw → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Michael Ryan, M.D.Webster, NY 145801639566003
- Brian Connolly, MDRochester, NY 146201164401741
- Edward Hall, MDRochester, NY 146201922029503
- Steven Rose, MDRochester, NY 146201174502652
- Matthew Witmer, MDRochester, NY 146201235321167
- Sana Idrees, MDRochester, NY 146421316332489
- Vikas Khetan, MDRochester, NY 146421831861319
- Raja Narayanan, MDRochester, NY 146421184423303
Common questions
What is Ik-Sung Kwon, M.D.'s NPI number?
Ik-Sung Kwon, M.D.'s National Provider Identifier (NPI) is 1366468035, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ik-Sung Kwon, M.D. located?
The NPPES record lists a practice address at 2469 State Route 19 N, Warsaw, NY, 14569. Phone: (585) 786-2288. Providers update this record themselves, so call before visiting.
How can I verify Ik-Sung Kwon, M.D.'s license?
NPPES lists New York license number 216936, 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 Ik-Sung Kwon, M.D. prescribe under Medicare Part D?
In 2024, Ik-Sung Kwon, M.D. had 2,340 Medicare Part D claims for 707 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Ik-Sung Kwon, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.