Kathryn B. Bollin, M.D.
NPI 1801020334ActiveIndividual· Internal Medicine, Hematology & Oncology· San Diego, CA
Internal Medicine, Hematology & Oncology (M.D.) in San Diego, California, trained at Texas A & M University System, Hsc, College of Medicine (class of 2009). In 2024 Medicare paid $2,120,334 for 495 patients, and Part D covered 542 of their prescriptions, 81% of them generic. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,340 in all, mostly food and beverage.
Overview
| NPI | 1801020334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2009 |
| Last updated in NPPES | Jan 2, 2020 |
| Certified by provider | Jan 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A131480 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | A131480 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 495 |
|---|---|
| Services billed | 62,781 across 89 procedure codes |
| Paid by Medicare | $2,120,334 |
Part D prescriptions in 2024
| Prescriptions (claims) | 542 · 798 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $947,561 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Texas A & M University System, Hsc, College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$1,340 · 50 payments from 18 companies
- 2024$1,527 · 57 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $240.84 | 10 |
| Regeneron Pharmaceuticals, Inc. | $149.00 | 1 |
| Pfizer Inc. | $147.31 | 6 |
| Array Biopharma Inc | $105.68 | 5 |
| E.R. Squibb & Sons, L.L.C. | $95.45 | 5 |
What the 2025 payments were for
- Food and Beverage$1,340 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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