DR. NELSON GUILLERMO UZQUIANO (MD) – Diagnostic Radiology Physician, NPI 1477549830
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,303 DIAGNOSTIC RADIOLOGY in TX
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Provider Addresses for DR. NELSON GUILLERMO UZQUIANO (MD)
7418, John Smith Drive, South Texas Medical Center, San Antonio, Bexar County, Texas, 78229, United States
SUITE 218
SAN ANTONIO, TX 782296020
Phone: (210) 614-0959
Fax: (210) 614-7522
Type: Mailing
Baylor Scott & White Medical Center – Llano, 200, West Ollie Street, Llano, Llano County, Texas, 78643, United States
LLANO, TX 786432628
Phone: (830) 997-7129
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $27.
Total Amount is formed as General ($27) + Research ($0) + Ownership ($0) = $27.
Last reported payment date: 2024-02-27 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($27).
Total Amount
$27
General + Research + Ownership
Payments
1
Total payment records
General Amount
$27
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $27 |
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: 2024-10-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20081024000108 | I | Diagnostic Radiology | TX | TBD |
| I20210809003891 | I | Diagnostic Radiology | CA | TBD |
| I20241024002754 | I | Diagnostic Radiology | NM | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 661 | 583 | $0 |
| 70450 | Ct scan head or brain without contrast | 424 | 411 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 208 | 203 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 181 | 178 | $0 |
| 71046 | X-ray of chest, 2 views | 162 | 159 | $0 |
Insurance plans in this area (ZIP 78229)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | TX | 71250 | CT scan chest | 164 | 154 |
| DIAGNOSTIC RADIOLOGY | TX | 73110 | X-ray of wrist, minimum of 3 views | 55 | 49 |
| DIAGNOSTIC RADIOLOGY | TX | 73140 | X-ray of fingers, minimum of 2 views | 14 | 14 |
| DIAGNOSTIC RADIOLOGY | TX | 73562 | X-ray of knee, 3 views | 79 | 57 |
| DIAGNOSTIC RADIOLOGY | TX | 73630 | X-ray of foot, minimum of 3 views | 112 | 90 |
| DIAGNOSTIC RADIOLOGY | TX | 74177 | CT scan of abdomen and pelvis with contrast | 184 | 169 |
| DIAGNOSTIC RADIOLOGY | TX | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 11 | 11 |
| DIAGNOSTIC RADIOLOGY | TX | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 36 | 34 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | TX | |
| Diagnostic Radiology, Nuclear Medicine | WA | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | NM | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | NC | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology, Osteopathic Manipulative Medicine | MN | |
| - | CA | |
| Diagnostic Radiology | MN |
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