Mark W. Lahtinen, DO
NPI 1285291740ActiveIndividual· Family Medicine· Spokane, WA
Family Medicine (DO) in Spokane, Washington, trained at Rocky Vista University College of Osteopathic Med (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $958,932 for 6,306 claims, against $45,451 paid for services in 2024. Abbvie Inc. was the largest of 30 companies reporting payments in 2025, $2,708 in all, mostly food and beverage.
Overview
| NPI | 1285291740 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 21, 2019 |
| Last updated in NPPES | Jul 1, 2022 |
| Certified by provider | Jun 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OP61086567 | 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 | 144 |
|---|---|
| Services billed | 740 across 33 procedure codes |
| Paid by Medicare | $45,451 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,306 · 12,009 30-day fills |
|---|---|
| Patients | 502 |
| Total drug cost | $958,932 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Rocky Vista University College of Osteopathic Med |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Doctors Clinic of SpokaneSpokane, WA · 9 clinicians
Hospital affiliation
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
Industry payments (Open Payments)
- 2025$2,708 · 149 payments from 30 companies
- 2024$3,069 · 169 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $526.68 | 25 |
| Teva Pharmaceuticals USA, Inc. | $339.49 | 14 |
| Pfizer Inc. | $228.60 | 15 |
| Novo Nordisk Inc | $224.97 | 12 |
| Astrazeneca Pharmaceuticals LP | $188.92 | 21 |
What the 2025 payments were for
- Food and Beverage$2,596 · 148 payments
- Education$111.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 334 family medicine physicians in Spokane · All family medicine physicians in Washington