Loren K. Mell, M.D.
NPI 1316119704ActiveIndividual· Radiology, Radiation Oncology· La Jolla, CA
Radiology, Radiation Oncology (M.D.) in La Jolla, California, trained at University of Chicago, Pritzker School of Medicine (class of 2003). 225 Medicare patients in 2024, $159,330 paid; nearly all of their 98 Part D prescriptions were generic (91%). Janssen Research & Development, LLC was the largest of 3 companies reporting payments in 2025, $13,992 in all, mostly consulting fees.
Overview
| NPI | 1316119704 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 26, 2008 |
| Last updated in NPPES | Mar 19, 2020 |
| Certified by provider | Mar 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A104704 | 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 - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 1,842 across 36 procedure codes |
| Paid by Medicare | $159,330 |
Part D prescriptions in 2024
| Prescriptions (claims) | 98 · 118 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $4,131 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
- Proton Doctors Professional CorporationSan Diego, CA · 12 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$13,992 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Research & Development, LLC | $9,250 | 6 |
| Janssen Scientific Affairs, LLC | $4,710 | 2 |
| Merck Sharp & Dohme LLC | $31.73 | 1 |
What the 2025 payments were for
- Consulting Fee$13,960 · 8 payments
- Food and Beverage$31.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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