Gregory P. Botta, M.D./PH.D.
NPI 1881006955ActiveIndividual· Internal Medicine, Hematology & Oncology· La Jolla, CA
Internal Medicine, Hematology & Oncology (M.D./PH.D.) with Regents of the University of California, practicing in La Jolla, California. Their prescriptions cost Medicare Part D more than their services did: $1,100,647 for 575 claims, against $68,737 paid for services in 2024. Histosonics, Inc. was the largest of 2 companies reporting payments in 2025, $2,054 in all, mostly consulting fees. Lists Eisenhower Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881006955 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D./PH.D. |
| Sole proprietor | No |
| NPI issued | May 23, 2014 |
| Last updated in NPPES | Nov 12, 2025 |
| Certified by provider | Nov 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A140495 | 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 | 142 |
|---|---|
| Services billed | 719 across 14 procedure codes |
| Paid by Medicare | $68,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 575 · 766 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $1,100,647 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliations
- Eisenhower Medical CenterRancho Mirage, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$2,054 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Histosonics, Inc. | $2,000 | 1 |
| Abbvie Inc. | $54.14 | 2 |
What the 2025 payments were for
- Consulting Fee$2,000 · 1 payment
- Food and Beverage$54.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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