MARLENE DIAZ (M.D.) – Gynecology Physician, NPI 1427166644
Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,165 OBSTETRICS/GYNECOLOGY in TX
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Provider Addresses for MARLENE DIAZ (M.D.)
3060, Communications Parkway, Plano, Collin County, Texas, 75093, United States
STE 105
PLANO, TX 750938464
Phone: (972) 535-8000
Type: Mailing
Communications Parkway, Plano, Collin County, Texas, 75093, United States
PLANO, TX 750938464
Phone: (972) 535-8000
Fax: (972) 403-8003
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 20 Open Payments records for all available years, with a total value of $356.
Total Amount is formed as General ($356) + Research ($0) + Ownership ($0) = $356.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: MILLICENT US INC ($80).
Total Amount
$356
General + Research + Ownership
Payments
20
Total payment records
General Amount
$356
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MILLICENT US INC | $80 |
| Astellas Pharma US Inc | $70 |
| Hologic Sales and Service, LLC | $45 |
| PFIZER INC. | $45 |
| MAYNE PHARMA COMMERCIAL LLC | $22 |
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: 2011-03-17
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 |
|---|---|---|---|---|
| I20110317000470 | I | Obstetrics/Gynecology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 52 | 41 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 35 | 35 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 34 | 34 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 33 | 27 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 20 | 15 | $0 |
Insurance plans in this area (ZIP 75093)
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