DR. MARIA DOLORES DIAZ (MD) – Ophthalmology Physician, NPI 1326043506
Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,544 OPHTHALMOLOGY in TX
Provider Addresses for DR. MARIA DOLORES DIAZ (MD)
2855 GRAMERCY ST STE 400
HOUSTON, TX 770251697
Phone: (713) 668-6828
Type: Mailing
5614 E SAM HOUSTON PKWY N
HOUSTON, TX 770153249
Phone: (713) 678-8288
Type: Location
2855, Gramercy Street, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770251635
Phone: (713) 668-6828
Fax: (713) 668-3823
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $188.
Total Amount is formed as General ($188) + Research ($0) + Ownership ($0) = $188.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Carl Zeiss Meditec USA, Inc. ($126).
Total Amount
$188
General + Research + Ownership
Payments
3
Total payment records
General Amount
$188
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Carl Zeiss Meditec USA, Inc. | $126 |
| Alcon Vision LLC | $38 |
| ABBVIE INC. | $25 |
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: 2007-09-26
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 |
|---|---|---|---|---|
| I20070926001228 | 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 77025)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | TX | |
| - | TX | |
| Infectious Disease, Internal Medicine | TX | |
| Mental Health Counselor | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Infectious Disease | TX | |
| Mental Health Counselor | TX | |
| Geriatric Medicine, Internal Medicine | TX | |
| Clinical Social Worker | TX |
Reviews
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