NPPES file of Aug 9, 2026

Victor Yonguor Chang, MD

Ophthalmology Physician · Conroe, TX

Victor Yonguor Chang, MD is an ophthalmology physician with a practice address in Conroe, Texas, and NPI 1952554776, issued on Oct 23, 2008. Check the license (Texas N9826, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952554776
Name
Victor Yonguor Chang
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
N9826 TX
Self-reported in NPPES; status is on the state search
Practice location
333 N Rivershire Dr Ste 160, Conroe, TX 77304
Phone
(936) 441-2020
Enumerated
Oct 23, 2008
Record last updated
Jul 27, 2023
Medicare enrollment
Enrolled (PECOS I20110713000175); accepts Medicare assignment
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 333 N Rivershire Dr Ste 160

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

  1. Kaylie Young, ODOptometrist1518576982

Verify Victor Yonguor Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9826
    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 Texas license search

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19% more Medicare Part D claims than the average ophthalmology physician in 2024

1,804 Medicare Part D claims for 557 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Victor Chang1,804
  2. Specialty average1,518

Most prescribed

  1. Latanoprost556 claims
  2. Dorzolamide-Timolol251 claims
  3. Prednisolone Acetate179 claims
  4. Timolol Maleate166 claims
  5. Brimonidine Tartrate150 claims
  6. Moxifloxacin128 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): 93.4 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.

  1. Qualityout of 100 · 30% of the final score98.1
  2. Costout of 100 · 30%81.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $603.84

28 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Victor Chang$603.84
  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. Hea Clinic PAConroe, TX

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

Victor Yonguor Chang among 1,514 ophthalmology physician records in Texas

Victor Yonguor Chang, MD is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.

  • NPI issued2008 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2006 · median 2003 among the 1,052 with a school on file
  • Record last updated2023 · 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Texas

There are 1,514 ophthalmology physician records in Texas.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Baptiste Dejean, M.D.Conroe, TX 773041669475455
  2. Timothy Doucet, MDConroe, TX 773041366538654
  3. Andrew Dvorak, M.D.Conroe, TX 773041770561714
  4. Susan Fish, MDConroe, TX 773041568411593
  5. Jonathan Jan, MDConroe, TX 773041952661118
  6. Mark Jenkins, MDConroe, TX 773041376592469
  7. Craig Kuglen, M.D.Conroe, TX 773041639172422
  8. Linda Lin, MDConroe, TX 773041831171784

Common questions

What is Victor Yonguor Chang, MD's NPI number?

Victor Yonguor Chang, MD's National Provider Identifier (NPI) is 1952554776, issued on Oct 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Victor Yonguor Chang, MD located?

The NPPES record lists a practice address at 333 N Rivershire Dr Ste 160, Conroe, TX, 77304. Phone: (936) 441-2020. Providers update this record themselves, so call before visiting.

How can I verify Victor Yonguor Chang, MD's license?

NPPES lists Texas license number N9826, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Victor Yonguor Chang, MD prescribe under Medicare Part D?

In 2024, Victor Yonguor Chang, MD had 1,804 Medicare Part D claims for 557 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Victor Yonguor Chang, MD's MIPS final score?

The 2023 MIPS final score is 93.4 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.