Brian Arellano Reyes, M.D.
NPI 1972574739ActiveIndividual· Internal Medicine· Brentwood, CA
Internal Medicine (M.D.) with Bass Medical Group, practicing in Brentwood, California. Their prescriptions cost Medicare Part D more than their services did: $323,032 for 6,383 claims, against $199,210 paid for services in 2024. Abbvie Inc. reported $24.77 in payments in 2024, mostly food and beverage. Lists Sutter Delta Medical Center as a hospital affiliation.
Overview
| NPI | 1972574739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 30, 2006 |
| Last updated in NPPES | Jun 27, 2025 |
| Certified by provider | Jun 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A73587 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 1,839 across 15 procedure codes |
| Paid by Medicare | $199,210 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,383 · 14,329 30-day fills |
|---|---|
| Patients | 461 |
| Total drug cost | $323,032 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliation
- Sutter Delta Medical CenterAntioch, CA
Other facilities
- Home Health of St Camillus LLCHome health agency · Antioch, CA
- Jmj Home Health ServicesHome health agency · Brentwood, CA
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2024$24.77 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $24.77 | 1 |
What the 2024 payments were for
- Food and Beverage$24.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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