WILLIAM LOUIS DECKER (M.D.) – Ophthalmology Physician, NPI 1568411056

WILLIAM LOUIS DECKER (M.D.) is a healthcare provider. based in Angleton, Texas. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. F1499 (TX). The NPI Number for WILLIAM LOUIS DECKER (M.D.) is 1568411056

Main info

Male
48 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM LOUIS DECKER (M.D.)
NPI
1568411056
Phone
(979) 849-8516
Address
146 E Hospital Dr Ste 210
Enumeration Date
10 May 2006
Last Update Date
25 March 2026

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Secondary Phone
7137777145
Graduation Year
1978 (48 years ago)
PAC ID
7719909795
Group Practice PAC ID
9032170188
Professional Enrollment ID
I20091125000284
Address ID
TX770743106HO7710XSTXX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Digital endpointsOther names

1,544 OPHTHALMOLOGY in TX

Provider Addresses for WILLIAM LOUIS DECKER (M.D.)

  • 146 E Hospital Dr Ste 210

    Angleton, TX 775154171

    Phone: (979) 849-8516

    Type: Location

  • 7737 Southwest Fwy Ste 600

    Houston, TX 770741823

    Phone: (713) 777-7145

    Type: Location

  • 11914 Astoria Blvd Ste 680

    Houston, TX 770896081

    Phone: (281) 484-7171

    Type: Location

  • Beechnut Street, Houston, Harris County, Texas, 77072, United States

    SUITE 100

    HOUSTON, TX 770743100

    Phone: (713) 777-7145

    Fax: (713) 337-4803

    Type: Location

  • PO BOX 3135

    DEPT 1

    HOUSTON, TX 772533135

    Phone: (713) 777-7145

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 9 Open Payments records for all available years, with a total value of $208.

Total Amount is formed as General ($208) + Research ($0) + Ownership ($0) = $208.

Last reported payment date: 2024-07-04 • Largest payer in this snapshot: ABBVIE INC. ($78).

Total Amount

$208

General + Research + Ownership

Payments

9

Total payment records

General Amount

$208

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-07-04

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2009-11-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20091125000284IOphthalmologyTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J2777Injection, faricimab-svoa, 0.1 mg6,30027$0
92134Imaging of retina1,775529$0
J0178Injection, aflibercept, 1 mg1,106102$0
67028Injection of drug into eye885173$0
92012Established patient problem focused exam of visual system671259$0
View full utilization report →

Insurance plans in this area (ZIP 77515)

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Provider's Procedures

WILLIAM LOUIS DECKER (M.D.) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYTX92083Measurement of field of vision during daylight conditions4135

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9032170188View full group profile
NameSpecialtyState
O P H T H A L M O L O G YTX
O P H T H A L M O L O G YTX
O P H T H A L M O L O G YTX
O P H T H A L M O L O G YTX
O P H T H A L M O L O G YTX
O P H T H A L M O L O G YTX

Reviews

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Frequently asked questions

What is WILLIAM LOUIS DECKER (M.D.)'s NPI number?
WILLIAM LOUIS DECKER (M.D.)'s NPI is 1568411056 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to WILLIAM LOUIS DECKER (M.D.)?
You should see WILLIAM LOUIS DECKER (M.D.) as active in CMS-hosted NPPES data.
What clinical focus is listed for WILLIAM LOUIS DECKER (M.D.)?
At a glance, WILLIAM LOUIS DECKER (M.D.) is tied to Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
Is WILLIAM LOUIS DECKER (M.D.) associated with Angleton?
Public fields place WILLIAM LOUIS DECKER (M.D.) around Angleton, Texas. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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