Francis Arenas, M.D
NPI 1275717647ActiveIndividual· Internal Medicine· Bakersfield, CA
Internal Medicine (M.D) with Infusion and Clinical Services Inc, practicing in Bakersfield, California. Their prescriptions cost Medicare Part D more than their services did: $1,086,939 for 7,633 claims, against $188,247 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 6 companies reporting payments in 2025, $616.81 in all, mostly food and beverage. Lists Good Samaritan Hospital, LP as a hospital affiliation.
Overview
| NPI | 1275717647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Dec 20, 2007 |
| Last updated in NPPES | Jan 30, 2020 |
| Certified by provider | Jan 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A105582 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 556 |
|---|---|
| Services billed | 5,139 across 86 procedure codes |
| Paid by Medicare | $188,247 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,633 · 15,458 30-day fills |
|---|---|
| Patients | 616 |
| Total drug cost | $1,086,939 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Infusion and Clinical Services IncBakersfield, CA · 38 clinicians
Hospital affiliation
- Good Samaritan Hospital, LPBakersfield, CA
Other facilities
- Purpose Driven Home Health, LLCHome health agency · Bakersfield, CA
Industry payments (Open Payments)
- 2025$616.81 · 55 payments from 6 companies
- 2024$310.25 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $436.38 | 49 |
| Lilly USA, LLC | $97.29 | 1 |
| Novo Nordisk Inc | $34.24 | 2 |
| Abbvie Inc. | $18.68 | 1 |
| Abbott Laboratories | $16.01 | 1 |
What the 2025 payments were for
- Food and Beverage$616.81 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 280 internal medicine physicians in Bakersfield · All internal medicine physicians in California