Mark Francis Berry, MD
NPI 1356508048ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Palo Alto, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Palo Alto, California, trained at Perelman School of Med at the University of Pennsylvania (class of 1999). Mostly services rather than prescriptions: Medicare paid $159,731 for 358 patients in 2024, with only 30 Part D claims. Astrazeneca Pharmaceuticals LP reported $123.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1356508048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2008 |
| Last updated in NPPES | Apr 27, 2024 |
| Certified by provider | Apr 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | C131436 | CA |
| Surgery | 208600000X | C131436 | CA |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | 2009-00629 | NC |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | RTL135118 | NC |
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 - Thoracic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 358 |
|---|---|
| Services billed | 754 across 61 procedure codes |
| Paid by Medicare | $159,731 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 31 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $1,291 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- El Camino HealthMountain View, CA
- Sierra Nevada Memorial HospitalGrass Valley, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$123.15 · 1 payment from 1 company
- 2024$145.69 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $123.15 | 1 |
What the 2025 payments were for
- Food and Beverage$123.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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