George Pisimisis, MD
NPI 1538288311ActiveIndividual· Surgery, Vascular Surgery· Fullerton, CA
Surgery, Vascular Surgery (MD) with Orange County Vascular and Endovascular Surgery Center Inc, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $15,815 for 42 claims, against $5,444 paid for services in 2024. Angiodynamics, Inc. was the largest of 11 companies reporting payments in 2025, $1,143 in all, mostly food and beverage. Lists Memorialcare Orange Coast Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538288311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 29, 2007 |
| Last updated in NPPES | Feb 28, 2022 |
| Certified by provider | Feb 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | C175395 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Vascular Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 19 across 11 procedure codes |
| Paid by Medicare | $5,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 42 · 53 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $15,815 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Vascular Surgery |
Medical group
- Orange County Vascular and Endovascular Surgery Center IncFountain Valley, CA · 8 clinicians
Hospital affiliations
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$1,143 · 15 payments from 11 companies
- 2024$10,537 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Angiodynamics, Inc. | $240.08 | 3 |
| Bard Peripheral Vascular, Inc. | $216.07 | 2 |
| Penumbra, Inc. | $158.92 | 1 |
| Abbott Laboratories | $142.17 | 1 |
| Asahi Intecc USA, Inc. | $104.20 | 1 |
What the 2025 payments were for
- Food and Beverage$1,143 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Vascular Surgery providers in Fullerton
- 1205599149