IKUYO YAMAGUCHI (MD) – Pediatric Nephrology Physician, NPI 1700995073
Pediatric Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,168 NEPHROLOGY in TX
Provider Addresses for IKUYO YAMAGUCHI (MD)
4502 Medical Dr
San Antonio, TX 782294402
Phone: (210) 358-8309
Type: Location
1200 CHILDRENS AVE
OKLAHOMA CITY, OK 731044637
Phone: (405) 271-4211
Type: Location
7703, Floyd Curl Drive, South Texas Medical Center, San Antonio, Bexar County, Texas, 78229, United States
SAN ANTONIO, TX 782293901
Phone: (210) 358-8309
Type: Mailing
University Hospital, 4502, Medical Drive, South Texas Medical Center, San Antonio, Bexar County, Texas, 78229, United States
SAN ANTONIO, TX 782294402
Phone: (210) 358-8309
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: 2021-06-25
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 |
|---|---|---|---|---|
| I20140430001498 | I | Pediatric Medicine | TX | TBD |
| I20210625001449 | I | Nephrology | OK | 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 |
|---|---|---|
| Diagnostic Radiology | OK | |
| A N E S T H E S I O L O G Y | OK | |
| O P H T H A L M O L O G Y | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK | |
| R H E U M A T O L O G Y | OK | |
| Cardiovascular Disease (Cardiology) | OK | |
| Nurse Practitioner | OK | |
| General Surgery | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK |
Reviews
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