WILLIAM C CHU (M.D.) – Diagnostic Radiology Physician, NPI 1124018551
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for WILLIAM C CHU (M.D.)
PO BOX 18989
ANAHEIM, CA 928178989
Phone: (213) 625-1861
Fax: (213) 626-2974
Type: Mailing
Kindred Hospital Baldwin Park, 14148, Francisquito Avenue, Baldwin Park, Los Angeles County, California, 91706, United States
BALDWIN PARK, CA 917066120
Phone: (213) 626-7816
Fax: (213) 621-7787
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.
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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: 2005-09-09
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 |
|---|---|---|---|---|
| I20050909000698 | 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 | 2,504 | 682 | $0 |
| 74018 | X-ray of abdomen, 1 view | 217 | 138 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 194 | 145 | $0 |
| 70450 | Ct scan head or brain without contrast | 166 | 144 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 113 | 98 | $0 |
Insurance plans in this area (ZIP 92817)
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Provider's Procedures
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