Adrian Perez, MD
NPI 1356704035ActiveIndividual· Internal Medicine· Richland, WA
Internal Medicine (MD) with Kadlec Regional Medical Center and 1 other group, practicing in Richland, Washington. 392 Medicare patients in 2024, $81,311 paid; nearly all of their 277 Part D prescriptions were generic (93%). Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $178.52 in all, mostly food and beverage. Lists Dayton General Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1356704035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2016 |
| Last updated in NPPES | Jul 13, 2022 |
| Certified by provider | Jul 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD60864954 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 392 |
|---|---|
| Services billed | 1,023 across 11 procedure codes |
| Paid by Medicare | $81,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 277 · 295 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $8,742 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Kadlec Regional Medical CenterKennewick, WA · 414 clinicians
- Columbia County Hospital DistrictDayton, WA · 51 clinicians
Hospital affiliations
- Dayton General HospitalDayton, WA
- Kadlec Regional Medical CenterRichland, WA
Industry payments (Open Payments)
- 2025$178.52 · 5 payments from 2 companies
- 2024$128.35 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $100.17 | 1 |
| Abbvie Inc. | $78.35 | 4 |
What the 2025 payments were for
- Food and Beverage$178.52 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 internal medicine physicians in Richland · All internal medicine physicians in Washington