DR. GIAN ESTEBAN DIAZ RODRIGUEZ (M.D.) – Maternal & Fetal Medicine Physician, NPI 1033592787
Maternal & Fetal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
Provider Addresses for DR. GIAN ESTEBAN DIAZ RODRIGUEZ (M.D.)
1210 S INDIANA AVE APT 3614
CHICAGO, IL 606052789
Phone: (787) 375-0163
Type: Mailing
1801 W TAYLOR ST STE 4C
CHICAGO, IL 606124795
Phone: (312) 413-7500
Fax: (312) 413-3856
Type: Location
PO BOX 2271
SAN ANTONIO, TX 782982271
Phone: (210) 481-3000
Type: Mailing
502 MADISON OAK DR STE 210
SAN ANTONIO, TX 782584192
Phone: (210) 481-3000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $38.
Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: Boston Scientific Corporation ($38).
Total Amount
$38
General + Research + Ownership
Payments
2
Total payment records
General Amount
$38
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $38 |
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: 2022-08-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20190805001651 | I | Obstetrics/Gynecology | IL | TBD |
| I20220825003813 | 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 60605)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.