T Allan Darnell, M.D.
NPI 1073695367ActiveIndividual· Preventive Medicine, Public Health & General Preventive Medicine· Loma Linda, CA
Preventive Medicine, Public Health & General Preventive Medicine (M.D.) in Loma Linda, California, trained at Loma Linda University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $81,120 for 543 claims, against $7,835 paid for services in 2024. Lilly USA, LLC reported $31.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1073695367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Preventive Medicine, Public Health & General Preventive Medicine Primary | 2083P0901X | A61846 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Preventive Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 118 across 15 procedure codes |
| Paid by Medicare | $7,835 |
Part D prescriptions in 2024
| Prescriptions (claims) | 543 · 1,058 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $81,120 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Preventive Medicine |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
- 2025$31.62 · 1 payment from 1 company
- 2024$19.19 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $31.62 | 1 |
What the 2025 payments were for
- Food and Beverage$31.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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