Araceli Baruiz Castanares, M.D.
NPI 1356423669ActiveIndividual· Internal Medicine· Bakersfield, CA
Internal Medicine (M.D.) in Bakersfield, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $1,026,934 for 10,690 claims, against $40,649 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 5 companies reporting payments in 2025, $294.04 in all, mostly food and beverage. Lists Adventist Health Bakersfield as a hospital affiliation.
Overview
| NPI | 1356423669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | May 11, 2026 |
| Certified by provider | May 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A53492 | 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 - General Practice (CA); Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 377 across 9 procedure codes |
| Paid by Medicare | $40,649 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,690 · 25,511 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $1,026,934 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Adventist Health BakersfieldBakersfield, CA
Other facilities
- Purpose Driven Home Health, LLCHome health agency · Bakersfield, CA
Industry payments (Open Payments)
- 2025$294.04 · 11 payments from 5 companies
- 2024$183.34 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $99.65 | 4 |
| Astrazeneca Pharmaceuticals LP | $90.18 | 4 |
| Lilly USA, LLC | $62.00 | 1 |
| Sanofi-Aventis U.S. LLC | $27.61 | 1 |
| Phathom Pharmaceuticals, Inc. | $14.60 | 1 |
What the 2025 payments were for
- Food and Beverage$294.04 · 11 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