DR. CHRISTOPHER CHONG (M.D.) – Diagnostic Radiology Physician, NPI 1851397772
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,793 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for DR. CHRISTOPHER CHONG (M.D.)
10470, Old Placerville Road, Mather, Rancho Cordova, Sacramento County, California, 95827, United States
SUITE 100
SACRAMENTO, CA 958272539
Phone: (800) 470-0071
Type: Mailing
3161, L Street, Sacramento, Sacramento County, California, 95816, United States
SACRAMENTO, CA 958165234
Phone: (916) 453-9999
Fax: (916) 739-1099
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: 2003-12-04
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 |
|---|---|---|---|---|
| I20031204000722 | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 6,396 | 65 | $0 |
| 71045 | X-ray of chest, 1 view | 460 | 452 | $0 |
| 71046 | X-ray of chest, 2 views | 178 | 176 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 170 | 170 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 121 | 120 | $0 |
Insurance plans in this area (ZIP 95827)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71010 | X-ray of chest, 1 view, front | 444 | 430 |
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 104 | 102 |
| DIAGNOSTIC RADIOLOGY | CA | 73110 | X-ray of wrist, minimum of 3 views | 32 | 30 |
| DIAGNOSTIC RADIOLOGY | CA | 73140 | X-ray of fingers, minimum of 2 views | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | CA | 73562 | X-ray of knee, 3 views | 69 | 64 |
| DIAGNOSTIC RADIOLOGY | CA | 73630 | X-ray of foot, minimum of 3 views | 23 | 23 |
| DIAGNOSTIC RADIOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 43 | 43 |
| DIAGNOSTIC RADIOLOGY | CA | 76830 | Ultrasound pelvis through vagina | 26 | 26 |
| DIAGNOSTIC RADIOLOGY | CA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 39 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Internal Medicine | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Allergy/Immunology, Rheumatology | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA |
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