CHRISTOPHER JAMES YOO (M.D.) – Diagnostic Radiology Physician, NPI 1295776672
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for CHRISTOPHER JAMES YOO (M.D.)
100 S San Mateo Dr
San Mateo, CA 944013805
Phone: (650) 696-4515
Fax: (650) 696-4626
Type: Location
1900 Sullivan Ave
Daly City, CA 940152200
Phone: (650) 991-6503
Type: Location
222 W 39th Ave
San Mateo, CA 944034364
Phone: (650) 573-2222
Fax: (650) 573-2122
Type: Location
P.O. BOX 6102
NOVATO, CA 949486102
Phone: (415) 884-3418
Type: Mailing
Mills-Peninsula Medical Center, 1501, Trousdale Drive, Burlingame Village, Burlingame, San Mateo County, California, 94010, United States
BURLINGAME, CA 940104506
Phone: (650) 696-5515
Fax: (650) 696-5280
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $141.
Total Amount is formed as General ($141) + Research ($0) + Ownership ($0) = $141.
Last reported payment date: 2024-05-29 • Largest payer in this snapshot: Telix Pharmaceuticals ($120).
Total Amount
$141
General + Research + Ownership
Payments
2
Total payment records
General Amount
$141
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Telix Pharmaceuticals | $120 |
| AngioDynamics, Inc. | $21 |
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: 2004-09-13
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 |
|---|---|---|---|---|
| I20040913000441 | 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 | 1,405 | 1,132 | $0 |
| 70450 | Ct scan head or brain without contrast | 566 | 513 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 393 | 374 | $0 |
| 71046 | X-ray of chest, 2 views | 216 | 213 | $0 |
| 72125 | Ct scan of upper spine without contrast | 179 | 175 | $0 |
Insurance plans in this area (ZIP 94401)
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Provider's Procedures
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