DR. KAREN C. DIAZ (MD) – Gynecology Physician, NPI 1023125010
Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. KAREN C. DIAZ (MD)
7703 FLOYD CURL DR RM 428F
UTHSCSA, DEPT. OF OB/GYN
SAN ANTONIO, TX 782293901
Phone: (210) 567-7500
Fax: (210) 567-7538
Type: Mailing
903 W Martin St
San Antonio, TX 782070903
Phone: (210) 358-3582
Fax: (210) 358-3252
Type: Location
8300 FLOYD CURL DR FL 5
SAN ANTONIO, TX 782293931
Phone: (210) 450-9500
Fax: (210) 450-6027
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2009-04-27
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 |
|---|---|---|---|---|
| I20090427000321 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hospitalist | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hematology/Oncology | TX | |
| - | TX | |
| Hematology/Oncology, Medical Oncology | TX | |
| N E U R O S U R G E R Y | TX |
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