DR. WILLIAM JUSTUS III HEAD (M.D.) – Ophthalmology Physician, NPI 1508802877
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. WILLIAM JUSTUS III HEAD (M.D.)
East Violet Avenue, McAllen, Hidalgo County, Texas, 78504, United States
SUITE 2
MCALLEN, TX 785042481
Phone: (956) 631-4533
Fax: (956) 631-4335
Type: Location
5111, North 10th Street, McAllen, Hidalgo County, Texas, 78504, United States
PMB 210
MCALLEN, TX 785042835
Phone: (956) 631-4533
Fax: (956) 631-4335
Type: Mailing
2518 W TRENTON RD
EDINBURG, TX 785398070
Phone: (956) 661-9000
Fax: (956) 686-7833
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $154.
Total Amount is formed as General ($154) + Research ($0) + Ownership ($0) = $154.
Last reported payment date: 2024-10-09 • Largest payer in this snapshot: Oyster Point Pharma, Inc. ($107).
Total Amount
$154
General + Research + Ownership
Payments
8
Total payment records
General Amount
$154
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-09
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-08-05
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040805000504 | I | Ophthalmology | TX | TBD |
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.
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78504)
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