Katrina Fischer
NPI 1477972388ActiveIndividual· Internal Medicine, Hematology & Oncology· San Mateo, CA
Internal Medicine, Hematology & Oncology with Monterey Bay Oncology A Medical Corporation, practicing in San Mateo, California. In 2024 Medicare paid $2,500,139 for 929 patients, and Part D covered 378 of their prescriptions, 74% of them generic. Novartis Pharmaceuticals Corporation was the largest of 4 companies reporting payments in 2025, $1,130 in all, mostly device and supply loans. Lists Community Hospital of the Monterey Peninsula and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1477972388 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 8, 2014 |
| Last updated in NPPES | Aug 17, 2020 |
| Certified by provider | Aug 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A139123 | 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 | 929 |
|---|---|
| Services billed | 193,801 across 135 procedure codes |
| Paid by Medicare | $2,500,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 378 · 672 30-day fills |
|---|---|
| Patients | 111 |
| Total drug cost | $833,375 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Monterey Bay Oncology A Medical CorporationMonterey, CA · 16 clinicians
Hospital affiliations
- Community Hospital of the Monterey PeninsulaMonterey, CA
- Salinas Valley Health Medical CenterSalinas, CA
- Southern Monterey County Memorial HospitalKing City, CA
Other facilities
- Central Coast Vna & Hospice, IncHome health agency · Monterey, CA
Industry payments (Open Payments)
- 2025$1,130 · 15 payments from 4 companies
- 2024$1,066 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $999.96 | 12 |
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
| Adaptive Biotechnologies Corporation | $31.87 | 1 |
| Novocure Inc. | $29.73 | 1 |
What the 2025 payments were for
- Long term medical supply or device loan$999.96 · 12 payments
- Education$68.49 · 1 payment
- Food and Beverage$61.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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