Stacey Cam Tien, P.A. - C
NPI 1770583056ActiveIndividual· Surgery, Vascular Surgery· Orange, CA
Surgery, Vascular Surgery (P.A. - C) with Vascular and Interventional Specialists of Orange County, Inc., practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $27,288 for 342 claims, against $4,045 paid for services in 2024. Penumbra, Inc. was the largest of 8 companies reporting payments in 2025, $376.05 in all, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1770583056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. - C |
| Sole proprietor | No |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Jun 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | PA16952 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 51 across 23 procedure codes |
| Paid by Medicare | $4,045 |
Part D prescriptions in 2024
| Prescriptions (claims) | 342 · 350 30-day fills |
|---|---|
| Patients | 195 |
| Total drug cost | $27,288 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Vascular and Interventional Specialists of Orange County, Inc.Orange, CA · 8 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Immaculate Heart of Mary Home Health, IncHome health agency · Bellflower, CA
Industry payments (Open Payments)
- 2025$376.05 · 9 payments from 8 companies
- 2024$538.51 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $128.78 | 1 |
| W. L. Gore & Associates, Inc. | $50.18 | 1 |
| Surmodics, Inc. | $46.87 | 1 |
| Mimedx Group, Inc. | $39.18 | 2 |
| Merit Medical Systems Inc | $35.93 | 1 |
What the 2025 payments were for
- Food and Beverage$376.05 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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