DR. BRIAN CHIEN TUAI (M.D.) – Surgery Physician, NPI 1497758569
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
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Provider Addresses for DR. BRIAN CHIEN TUAI (M.D.)
North Rose Avenue, Oxnard, Ventura County, California, 93030, United States
STE 430
OXNARD, CA 930307657
Phone: (805) 485-8722
Fax: (805) 485-9311
Type: Mailing
2486 N Ponderosa Dr Ste D205
Camarillo, CA 930102471
Phone: (805) 988-7196
Fax: (805) 988-7197
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $5,871.
Total Amount is formed as General ($5,871) + Research ($0) + Ownership ($0) = $5,871.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($5,558).
Total Amount
$5,871
General + Research + Ownership
Payments
17
Total payment records
General Amount
$5,871
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $5,558 |
| PolyNovo North America LLC | $150 |
| Medtronic, Inc. | $107 |
| Integra LifeSciences Corporation | $56 |
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: 2004-05-20
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 |
|---|---|---|---|---|
| I20040520001398 | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 80 | 80 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 80 | 38 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 55 | 47 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 42 | 41 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 31 | 20 | $0 |
Insurance plans in this area (ZIP 93030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| General Surgery | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| General Surgery | CA |
Reviews
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