Damian Philip Derienzo, MD
NPI 1942271143ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· La Jolla, CA
Pathology, Anatomic Pathology & Clinical Pathology (MD) in La Jolla, California, trained at Baylor College of Medicine (class of 1991). Medicare paid $165,073 for services to 1,533 patients in 2024. Eisai Inc. was the largest of 2 companies reporting payments in 2025, $54.73 in all, mostly food and beverage.
Overview
| NPI | 1942271143 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Jul 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | C51186 | CA |
| Pathology, Dermatopathology | 207ZD0900X | C51186 | 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 - Pathology (CA); Practitioner - Pathology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,533 |
|---|---|
| Services billed | 3,205 across 34 procedure codes |
| Paid by Medicare | $165,073 |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Pathology |
Medical groups
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Allegheny General HospitalPittsburgh, PA
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- West Penn HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$54.73 · 2 payments from 2 companies
- 2024$251.72 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $30.38 | 1 |
| Merck Sharp & Dohme LLC | $24.35 | 1 |
What the 2025 payments were for
- Food and Beverage$54.73 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 pathologists in La Jolla · All pathologists in California