David Franklin Fiorentino, MD
NPI 1740335025ActiveIndividual· Dermatology· Stanford, CA
Dermatology (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $2,283,168 for 406 claims, against $23,689 paid for services in 2024. Pfizer Inc. was the largest of 6 companies reporting payments in 2025, $13,984 in all, mostly consulting fees.
Overview
| NPI | 1740335025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Apr 16, 2024 |
| Certified by provider | Apr 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A069579 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 327 across 16 procedure codes |
| Paid by Medicare | $23,689 |
Part D prescriptions in 2024
| Prescriptions (claims) | 406 · 481 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $2,283,168 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$13,984 · 10 payments from 6 companies
- 2024$15,979 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $3,799 | 3 |
| Legend Biotech USA Inc. | $2,925 | 1 |
| Ucb Sa | $2,560 | 2 |
| Janssen Scientific Affairs, LLC | $2,250 | 1 |
| Argenx US, Inc. | $1,550 | 2 |
What the 2025 payments were for
- Consulting Fee$13,872 · 9 payments
- Food and Beverage$112.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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