Merry Zhechao Ruan
Ophthalmology Physician · Houston, TX
Merry Zhechao Ruan is an ophthalmology physician with a practice address in Houston, Texas, and NPI 1770043473, issued on Mar 20, 2019. Check the license (Texas V1603, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Merry Zhechao Ruan
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- V1603 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2855 Gramercy St, Houston, TX 77025
- Phone
- (713) 668-6828
- Enumerated
- Mar 20, 2019
- Record last updated
- Jan 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20240620000349); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2019
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 2855 Gramercy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Arnoult, MDOphthalmology Physician1396730065
- Sophia Asaria, ODOptometrist1740537208
- William Banks, MDOphthalmology Physician1891769477
- Chia-Kai Chu, MDOphthalmology Physician1356684674
- Carlos Gonzales, M.D.Ophthalmology Physician1306831060
- John Goosey, M.D.Ophthalmology Physician1215922406
Verify Merry Zhechao Ruan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V1603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average ophthalmology physician in 2024
633 Medicare Part D claims for 182 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost138 claims
- Dorzolamide-Timolol93 claims
- Brimonidine Tartrate78 claims
- Timolol Maleate54 claims
- Prednisolone Acetate48 claims
- Atropine Sulfate32 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): 81.3 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: $1,408.04
12 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
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
- Hea Clinic PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merry Zhechao Ruan among 1,514 ophthalmology physician records in Texas
Merry Zhechao Ruan 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 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2003 among the 1,052 with a school on file
- Record last updated2025 · 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.
All 1,514 in Texas → Every provider in Houston → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Goosey, M.D.Houston, TX 770251215922406
- Kenneth Hyde, M.D.Houston, TX 770251629063383
- Richard Kimbrough, M.D.Houston, TX 770251437144615
- James Lai, MDHouston, TX 770251699760447
- Jeffrey Lanier, MDHouston, TX 770251669467759
- Bailey Lee, MDHouston, TX 770251619962461
- Kathryn Musgrove, MDHouston, TX 770251326033424
- William Quayle, M.D.Houston, TX 770251144215336
Common questions
What is Merry Zhechao Ruan's NPI number?
Merry Zhechao Ruan's National Provider Identifier (NPI) is 1770043473, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Merry Zhechao Ruan located?
The NPPES record lists a practice address at 2855 Gramercy St, Houston, TX, 77025. Phone: (713) 668-6828. Providers update this record themselves, so call before visiting.
How can I verify Merry Zhechao Ruan's license?
NPPES lists Texas license number V1603, 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 Merry Zhechao Ruan prescribe under Medicare Part D?
In 2024, Merry Zhechao Ruan had 633 Medicare Part D claims for 182 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Merry Zhechao Ruan's MIPS final score?
The 2023 MIPS final score is 81.3 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.