TIFFANY QUYEN NGUYEN (PA-C) – Physician Assistant, NPI 1356804587
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
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Provider Addresses for TIFFANY QUYEN NGUYEN (PA-C)
PO BOX #11863
WESTMINSTER, CA 926859998
Phone: (714) 899-1820
Type: Mailing
12495, Valley View Street, Garden Grove, Orange County, California, 92845, United States
GARDEN GROVE, CA 928452032
Phone: (714) 406-5756
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 93 Open Payments records for all available years, with a total value of $1,982.
Total Amount is formed as General ($1,982) + Research ($0) + Ownership ($0) = $1,982.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($484).
Total Amount
$1,982
General + Research + Ownership
Payments
93
Total payment records
General Amount
$1,982
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $484 |
| ABBVIE INC. | $400 |
| Amgen Inc. | $259 |
| Merck Sharp & Dohme LLC | $195 |
| BIOTRONIK INC. | $137 |
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: 2022-02-21
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 |
|---|---|---|---|---|
| I20220221002038 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 33 | 29 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $0 |
Insurance plans in this area (ZIP 92685)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | CA | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CA | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | CA | |
| - | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | IL | |
| Cardiovascular Disease (Cardiology) | CA |
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