William Louis Decker, M.D.
Ophthalmology Physician · Houston, TX
William Louis Decker, M.D. is an ophthalmology physician with a practice address in Houston, Texas, and NPI 1568411056, issued on May 10, 2006. Check the license (Texas F1499, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Louis Decker
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- F1499 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7710 Beechnut St, Houston, TX 77074
- Phone
- (713) 777-7145
- Enumerated
- May 10, 2006
- Record last updated
- Mar 25, 2026
- Fax
- (713) 337-4803
- Medicaid ID
- 139188009 TX
- Medicare enrollment
- Enrolled (PECOS I20091125000284); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1978
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 7710 Beechnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Baum, M.D.Specialist1013967587
- Kieu-Trang CungDentist1295943348
- Swati Gupta, M.D.Cardiovascular Disease Physician1760467351
- William Hipps, M.D.Ophthalmology Physician1891745618
- Nina Jannetti, D.O.Optometrist1043269418
- Michael Koop, M.D.Ophthalmology Physician1033169842
Verify William Louis Decker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F1499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average ophthalmology physician in 2024
251 Medicare Part D claims for 90 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost41 claims
- Ketorolac Tromethamine37 claims
- Brimonidine Tartrate-Timolol32 claims
- Neomycin-Polymyxin-Dexameth27 claims
- Prednisolone Acetate27 claims
- Difluprednate21 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $110.96
5 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.
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
- Tei And Associates LLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Louis Decker among 1,514 ophthalmology physician records in Texas
William Louis Decker, M.D. 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 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2003 among the 1,052 with a school on file
- Record last updated2026 · 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
- Yasir Ahmed, M.D.Houston, TX 770741982968319
- Glenn Bulan, M.D.Houston, TX 770741356391700
- Edward Chan, M.D.Houston, TX 770741932296928
- William Hipps, M.D.Houston, TX 770741891745618
- Michael Koop, M.D.Houston, TX 770741033169842
- Vasavi Malineni, M.D.Houston, TX 770741720037229
- Gary Mason, MDHouston, TX 770741629079777
- Richard Pitts, M.D.Houston, TX 770741922058734
Common questions
What is William Louis Decker, M.D.'s NPI number?
William Louis Decker, M.D.'s National Provider Identifier (NPI) is 1568411056, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Louis Decker, M.D. located?
The NPPES record lists a practice address at 7710 Beechnut St, Houston, TX, 77074. Phone: (713) 777-7145. Providers update this record themselves, so call before visiting.
How can I verify William Louis Decker, M.D.'s license?
NPPES lists Texas license number F1499, 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 William Louis Decker, M.D. prescribe under Medicare Part D?
In 2024, William Louis Decker, M.D. had 251 Medicare Part D claims for 90 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is William Louis Decker, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.