Mark Daniel Flesher, M.D.
NPI 1497741771ActiveIndividual· Family Medicine· Kennewick, WA
Family Medicine (M.D.) in Kennewick, Washington, trained at Saint Louis University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,052,402 for 8,950 claims, against $74,823 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $1,736 in all, mostly food and beverage.
Overview
| NPI | 1497741771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2005 |
| Last updated in NPPES | Jul 27, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD00032438 | 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 - Family Practice (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 378 |
|---|---|
| Services billed | 1,206 across 20 procedure codes |
| Paid by Medicare | $74,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,950 · 22,267 30-day fills |
|---|---|
| Patients | 490 |
| Total drug cost | $1,052,402 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Rcch Trios Health LLCKennewick, WA · 65 clinicians
Hospital affiliations
- Kadlec Regional Medical CenterRichland, WA
- Lourdes Medical CenterPasco, WA
- Trios HealthKennewick, WA
Other facilities
- Columbia River Home HealthHome health agency · Kennewick, WA
- Tri-Cities Home HealthHome health agency · Kennewick, WA
Industry payments (Open Payments)
- 2025$1,736 · 95 payments from 18 companies
- 2024$1,849 · 106 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $520.86 | 30 |
| Pfizer Inc. | $254.76 | 17 |
| Abbvie Inc. | $210.21 | 11 |
| Novo Nordisk Inc | $175.22 | 10 |
| Sanofi Pasteur Inc. | $107.41 | 4 |
What the 2025 payments were for
- Food and Beverage$1,736 · 95 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 family medicine physicians in Kennewick · All family medicine physicians in Washington