Zhuangjun Si, MD
Glaucoma Specialist (Ophthalmology) Physician · Wheaton, IL
Zhuangjun Si, MD is a glaucoma specialist (ophthalmology) physician with a practice address in Wheaton, Illinois, and NPI 1932605672, issued on Apr 2, 2018. Check the license (Illinois 036.163377, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zhuangjun Si
- Credential
- MD
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License number
- 036.163377 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2015 N Main St, Wheaton, IL 60187
- Phone
- (630) 634-2771
- Enumerated
- Apr 2, 2018
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20230403000664); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 13 in Illinois → Look up another NPI →
Also registered at 2015 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Anderson-Nelson, M.D.Retina Specialist (Ophthalmology) Physician1013904986
- Christina Andrzejewski, ODOptometrist1235922089
- Ayesha Badar, MDGlaucoma Specialist (Ophthalmology) Physician1619462330
- Saaquib Bakhsh, MDRetina Specialist (Ophthalmology) Physician1457871402
- Kimberly Blankshain, MDNeuro-ophthalmology Physician1801328125
- Eric CaskeyNeuro-ophthalmology Physician1558892729
Verify Zhuangjun Si in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.163377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
2,156 Medicare Part D claims for 607 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Latanoprost510 claims
- Dorzolamide-Timolol265 claims
- Ketorolac Tromethamine238 claims
- Prednisolone Acetate211 claims
- Moxifloxacin174 claims
- Brimonidine Tartrate154 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.
Industry payments in 2024: $1,363.41
24 payments; by number, the most common kind was food and beverage; the largest payer was New World Medical,inc. The 391 providers of this specialty with any payment received $5,284.60 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
- Wheaton Eye Clinic LtdWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zhuangjun Si among 13 glaucoma specialist (ophthalmology) physician records in Illinois
Zhuangjun Si, MD is one of 13 glaucoma specialist (ophthalmology) physician records with a practice address in Illinois. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.
- NPI issued2018 · 77% of these records are older, 8% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2018 · median 2015 among the 12 with a school on file
- Record last updated2024 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in Illinois
There are 13 glaucoma specialist (ophthalmology) physician records in Illinois.
All 13 in Illinois → Every provider in Wheaton → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Ayesha Badar, MDWheaton, IL 601871619462330
- Frini Makadia, M.D.Wheaton, IL 601871083069702
- Edward Sung, MDWheaton, IL 601871710976618
- Ruth Williams, MDWheaton, IL 601871699764597
- Jeremy Wingard, MDWheaton, IL 601871124218789
- Nandita Anand, MDGlenview, IL 600261942697693
- Kara Schultz, MDArlington Heights, IL 600051629276118
- Preet Sohal, MDHomewood, IL 604301386226710
Common questions
What is Zhuangjun Si, MD's NPI number?
Zhuangjun Si, MD's National Provider Identifier (NPI) is 1932605672, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zhuangjun Si, MD located?
The NPPES record lists a practice address at 2015 N Main St, Wheaton, IL, 60187. Phone: (630) 634-2771. Providers update this record themselves, so call before visiting.
How can I verify Zhuangjun Si, MD's license?
NPPES lists Illinois license number 036.163377, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zhuangjun Si, MD prescribe under Medicare Part D?
In 2024, Zhuangjun Si, MD had 2,156 Medicare Part D claims for 607 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
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.