DUC C NGUYEN (MD) – Surgery Physician, NPI 1356315410
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
Provider Addresses for DUC C NGUYEN (MD)
1546 N TRACY BLVD
TRACY, CA 953762903
Phone: (209) 833-3320
Fax: (209) 835-5929
Type: Mailing
600, Coffee Road, Modesto, Stanislaus County, California, 95355, United States
MODESTO, CA 953554201
Phone: (209) 521-6097
Type: Mailing
Eaton Avenue, Wainwright Village, Tracy, San Joaquin County, California, 95376, United States
TRACY, CA 953763420
Phone: (209) 833-3320
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $359.
Total Amount is formed as General ($359) + Research ($0) + Ownership ($0) = $359.
Last reported payment date: 2024-12-26 • Largest payer in this snapshot: Actelion Pharmaceuticals US, Inc. ($189).
Total Amount
$359
General + Research + Ownership
Payments
10
Total payment records
General Amount
$359
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Actelion Pharmaceuticals US, Inc. | $189 |
| Lilly USA, LLC | $169 |
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: 2004-08-23
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 |
|---|---|---|---|---|
| I20040823000906 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 88 | 25 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 70 | 70 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 42 | 38 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 21 | $0 |
| 49650 | Repair of groin hernia using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 95376)
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