David Raymond Gandara, M.D.
NPI 1528042587ActiveIndividual· Internal Medicine, Hematology & Oncology· Sacramento, CA
Internal Medicine, Hematology & Oncology (M.D.) with Regents of the Univ of Ca, practicing in Sacramento, California. Medicare paid $5,645 for services to 27 patients in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $32,794 in all, mostly consulting fees. Lists University of California Davis Medical Center as a hospital affiliation.
Overview
| NPI | 1528042587 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 2, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | C037929 | 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 - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 88 across 9 procedure codes |
| Paid by Medicare | $5,645 |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
Hospital affiliation
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$32,794 · 36 payments from 8 companies
- 2024$44,743 · 51 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $18,363 | 16 |
| Astrazeneca Pharmaceuticals LP | $7,367 | 11 |
| Immunitybio, Inc. | $2,500 | 1 |
| Regeneron Healthcare Solutions, Inc. | $1,836 | 2 |
| Janssen Biotech, Inc. | $1,810 | 3 |
What the 2025 payments were for
- Consulting Fee$25,202 · 8 payments
- Travel and Lodging$3,822 · 12 payments
- Honoraria$2,500 · 1 payment
- Food and Beverage$1,270 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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