Mark S. Abate, M.D.
NPI 1588778674ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Barbara, CA
Internal Medicine, Hematology & Oncology (M.D.) in Santa Barbara, California, trained at University of Connecticut School of Medicine (class of 1982). In 2024 Medicare paid $1,391,983 for 443 patients, and Part D covered 381 of their prescriptions, 75% of them generic. Novartis Pharmaceuticals Corporation was the largest of 18 companies reporting payments in 2025, $2,823 in all, mostly food and beverage.
Overview
| NPI | 1588778674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Jan 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G55892 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 443 |
|---|---|
| Services billed | 75,244 across 111 procedure codes |
| Paid by Medicare | $1,391,983 |
Part D prescriptions in 2024
| Prescriptions (claims) | 381 · 670 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $947,072 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Sansum ClinicSanta Barbara, CA · 320 clinicians
Hospital affiliation
- Santa Barbara Cottage HospitalSanta Barbara, CA
Industry payments (Open Payments)
- 2025$2,823 · 90 payments from 18 companies
- 2024$4,152 · 123 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $835.97 | 13 |
| Sekisui Diagnostics LLC | $300.00 | 15 |
| Astellas Pharma US Inc | $295.38 | 14 |
| Caris Mpi, Inc. | $293.90 | 6 |
| Janssen Biotech, Inc. | $141.02 | 2 |
What the 2025 payments were for
- Food and Beverage$1,633 · 65 payments
- Long term medical supply or device loan$764.86 · 8 payments
- Gift$300.00 · 15 payments
- Education$125.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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