NPPES file of Aug 9, 2026

Tony Yuan-Ting Chen, MD

Ophthalmology Physician · Chicago, IL

Tony Yuan-Ting Chen, MD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1841720729, issued on Jun 14, 2017. Check the license (Illinois 036-155742, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841720729
Name
Tony Yuan-Ting Chen
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
036-155742 IL
U0320 TX
Self-reported in NPPES; status is on the state search
Practice location
645 N Michigan Ave Ste 440, Chicago, IL 60611
Phone
(312) 503-3649
Enumerated
Jun 14, 2017
Record last updated
Nov 2, 2022
Medicare enrollment
Enrolled (PECOS I20230714003656); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 645 N Michigan Ave Ste 440

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Allen Ganjei, MDOphthalmology Physician1689324782
  2. Dilraj Grewal, MDOphthalmology Physician1437460656
  3. Hong-Gam Le, M.D.Ophthalmology Physician1831552272
  4. Jeffrey Liu, MDOphthalmology Physician1851479422
  5. Camille Palma, M.D.Ophthalmology Physician1154656577

Verify Tony Yuan-Ting Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-155742
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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83% fewer Medicare Part D claims than the average ophthalmology physician in 2024

260 Medicare Part D claims for 96 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Tony Chen260
  2. Specialty average1,518

Most prescribed

  1. Ketorolac Tromethamine49 claims
  2. Tobramycin-Dexamethasone48 claims
  3. Dorzolamide-Timolol41 claims
  4. Prednisolone Acetate33 claims
  5. Difluprednate27 claims
  6. Latanoprost11 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: $16.05

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tony Chen$16.05
  2. Specialty average$4,535.02

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

  1. Kelsey-Seybold Medical Group, PLLCHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tony Yuan-Ting Chen among 898 ophthalmology physician records in Illinois

Tony Yuan-Ting Chen, MD is one of 898 ophthalmology physician records with a practice address in Illinois. 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 2017, is newer than 83% of them.

  • NPI issued2017 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2017 · median 1999 among the 551 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Illinois

There are 898 ophthalmology physician records in Illinois.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ann Bidwell, MDChicago, IL 606111144296823
  2. Paul Bryar, MDChicago, IL 606111114986536
  3. Manjot Gill, MDChicago, IL 606111396776894
  4. Peter Holland, MDChicago, IL 606111720063605
  5. Lee Jampol, MDChicago, IL 606111073547303
  6. Alice Lyon, MDChicago, IL 606111992737969
  7. Jonathan McGlothan, M.D.Chicago, IL 606111154374973
  8. Rukhsana Mirza, M.D.Chicago, IL 606111033163530

Common questions

What is Tony Yuan-Ting Chen, MD's NPI number?

Tony Yuan-Ting Chen, MD's National Provider Identifier (NPI) is 1841720729, issued on Jun 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tony Yuan-Ting Chen, MD located?

The NPPES record lists a practice address at 645 N Michigan Ave Ste 440, Chicago, IL, 60611. Phone: (312) 503-3649. Providers update this record themselves, so call before visiting.

How can I verify Tony Yuan-Ting Chen, MD's license?

NPPES lists Illinois license number 036-155742, 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 Tony Yuan-Ting Chen, MD prescribe under Medicare Part D?

In 2024, Tony Yuan-Ting Chen, MD had 260 Medicare Part D claims for 96 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.