DR. JIWON YOUM (M.D.) – Vascular & Interventional Radiology Physician, NPI 1265876478
Vascular & Interventional Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for DR. JIWON YOUM (M.D.)
UCSF DEPARTMENT OF SURGERY 513 PARNASSUS AVE
S-321
SAN FRANCISCO, CA 941430001
Phone:
Type: Mailing
2125 OAK GROVE RD STE 200
WALNUT CREEK, CA 945982520
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $607.
Total Amount is formed as General ($607) + Research ($0) + Ownership ($0) = $607.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Inari Medical, Inc. ($583).
Total Amount
$607
General + Research + Ownership
Payments
14
Total payment records
General Amount
$607
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $583 |
| Siemens Medical Solutions USA, Inc. | $24 |
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: 2022-06-27
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 |
|---|---|---|---|---|
| I20220627002983 | I | Diagnostic Radiology | CA | 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 | 325 | 314 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 173 | 165 | $0 |
| 71046 | X-ray of chest, 2 views | 134 | 134 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 129 | 129 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 84 | 82 | $0 |
Insurance plans in this area (ZIP 94143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology, Nuclear Medicine | CA | |
| Internal Medicine, Geriatric Medicine | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Interventional Radiology, Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Pediatric Medicine | CA | |
| Diagnostic Radiology | CA | |
| N E U R O S U R G E R Y | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA |
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