Daniel Reif Greenwald, M.D.
NPI 1235240987ActiveIndividual· Internal Medicine, Medical Oncology· Santa Barbara, CA
Internal Medicine, Medical Oncology (M.D.) in Santa Barbara, California, trained at Stanford University School of Medicine (class of 2000). In 2024 Medicare paid $5,973,080 for 881 patients, and Part D covered 473 of their prescriptions, 77% of them generic. Beone Medicines USA, Inc. was the largest of 6 companies reporting payments in 2025, $323.28 in all, mostly food and beverage.
Overview
| NPI | 1235240987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Jan 7, 2021 |
| Certified by provider | Jan 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A75508 | 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 - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 881 |
|---|---|
| Services billed | 244,884 across 127 procedure codes |
| Paid by Medicare | $5,973,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 473 · 656 30-day fills |
|---|---|
| Patients | 139 |
| Total drug cost | $1,183,591 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Goleta Valley Cottage HospitalSanta Barbara, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Barbara Cottage HospitalSanta Barbara, CA
- Santa Ynez Valley Cottage HospitalSolvang, CA
Industry payments (Open Payments)
- 2025$323.28 · 6 payments from 6 companies
- 2024$19,217 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Beone Medicines USA, Inc. | $132.56 | 1 |
| E.R. Squibb & Sons, L.L.C. | $91.85 | 1 |
| Acrotech Biopharma Inc. | $34.83 | 1 |
| Alnylam Pharmaceuticals Inc. | $33.22 | 1 |
| Lilly USA, LLC | $18.40 | 1 |
What the 2025 payments were for
- Food and Beverage$310.86 · 5 payments
- Education$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Santa Barbara
- 1215175070
- 1295843738