Mark Douglas Harwood, M.D.
NPI 1356559975ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Spokane, WA
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) with Providence Health and Services Washington, practicing in Spokane, Washington. Their prescriptions cost Medicare Part D more than their services did: $893,959 for 4,116 claims, against $286,679 paid for services in 2024. Impulse Dynamics (USA) Inc. was the largest of 3 companies reporting payments in 2025, $125.29 in all, mostly food and beverage. Lists Kadlec Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1356559975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Mar 20, 2026 |
| Certified by provider | Mar 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | MD60284972 | WA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD60284972 | WA |
| Internal Medicine | 207R00000X | 6053858-1205 | UT |
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 - Cardiac Electrophysiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,956 |
|---|---|
| Services billed | 6,473 across 86 procedure codes |
| Paid by Medicare | $286,679 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,116 · 9,649 30-day fills |
|---|---|
| Patients | 674 |
| Total drug cost | $893,959 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Providence Health and Services WashingtonSpokane, WA · 53 clinicians
Hospital affiliations
- Kadlec Regional Medical CenterRichland, WA
- Newport Community HospitalNewport, WA
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
- Providence Holy Family HospitalSpokane, WA
- Providence Mount Carmel HospitalColville, WA
Industry payments (Open Payments)
- 2025$125.29 · 3 payments from 3 companies
- 2024$1,659 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Impulse Dynamics (USA) Inc. | $76.10 | 1 |
| Abbott Laboratories | $29.43 | 1 |
| Boston Scientific Corporation | $19.76 | 1 |
What the 2025 payments were for
- Food and Beverage$125.29 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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