DR. CHRISTOPHER DAC NGUYEN (M.D.) – Diagnostic Radiology Physician, NPI 1114997806
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. CHRISTOPHER DAC NGUYEN (M.D.)
554 Keily Street
Jacksonville, FL 32212
Phone: (757) 953-7550
Fax: (757) 953-7560
Type: Location
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 237082111
Phone: (757) 953-1143
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: 2018-09-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20150113002472 | I | Diagnostic Radiology | VA | TBD |
| I20160912000243 | I | Diagnostic Radiology | DC | TBD |
| I20160912000300 | I | Diagnostic Radiology | MD | TBD |
| I20180917000079 | I | Diagnostic Radiology | TX | 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 | 38 | 37 | $0 |
| 71250 | Ct scan of chest without contrast | 23 | 23 | $0 |
| 70450 | Ct scan head or brain without contrast | 17 | 17 | $0 |
| 71271 | Low dose ct scan of chest for lung cancer screening | 13 | 13 | $0 |
| 71046 | X-ray of chest, 2 views | 11 | 11 | $0 |
Insurance plans in this area (ZIP 32212)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Radiology | FL | |
| - | OH | |
| - | MD | |
| - | DC | |
| Diagnostic Radiology | FL | |
| - | TN | |
| - | OH | |
| - | MA | |
| - | OH | |
| Interventional Radiology | MD |
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