Peter Thomas Anastassiou, M.D.
NPI 1912904806ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· San Francisco, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in San Francisco, California, trained at Baylor College of Medicine (class of 1983). Mostly services rather than prescriptions: Medicare paid $106,062 for 191 patients in 2024, with only 30 Part D claims. Abbvie Inc. reported $83.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912904806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Jun 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | A43203 | CA |
| Surgery | 208600000X | A43203 | 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 - Thoracic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 358 across 73 procedure codes |
| Paid by Medicare | $106,062 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 30 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $834.71 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
- Marinhealth Medical CenterGreenbrae, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Industry payments (Open Payments)
- 2025$83.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $83.43 | 1 |
What the 2025 payments were for
- Food and Beverage$83.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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