Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Louis Decker, MD

Individual provider Retina Specialist (Ophthalmology) Physician · NPI 1568411056

William Louis Decker, MD is an Ophthalmology in Houston, Texas. Graduated from University of Texas Medical Branch at Galveston in 1978, 48 years ago. Practices with Tei and Associates LLC, a 7-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
48
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7710 Beechnut St Ste 100
Houston, TX 77074-3100
Phone: (713) 777-7145
Fax: (713) 337-4803
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 146 E Hospital Dr Ste 210, Angleton, TX 77515-4171 — (979) 849-8516
  • 7737 Southwest Fwy Ste 600, Houston, TX 77074-1823 — (713) 777-7145
  • 11914 Astoria Blvd Ste 680, Houston, TX 77089-6081 — (281) 484-7171

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence F1499 (TX)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence F1499 (TX)

Record details

NPI number1568411056
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2006
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026
Mailing addressPo Box 3135, Dept 1, Houston, TX 77253-3135

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1978 (48 years in practice)
Group practice Tei And Associates Llc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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