Mark D. Cumings, M.D.
NPI 1629132584ActiveIndividual· Internal Medicine, Gastroenterology· Olympia, WA
Internal Medicine, Gastroenterology (M.D.) in Olympia, Washington, trained at Jc Edwards School of Medicine, Marshall University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $368,652 for 369 claims, against $66,001 paid for services in 2024. Madrigal Pharmaceuticals reported $59.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629132584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2006 |
| Last updated in NPPES | Apr 21, 2021 |
| Certified by provider | Apr 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD00042468 | WA |
| Military Health Care Provider | 171000000X | MD00042468 | WA |
| Specialist | 174400000X | MD00042468 | WA |
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 - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 590 across 37 procedure codes |
| Paid by Medicare | $66,001 |
Part D prescriptions in 2024
| Prescriptions (claims) | 369 · 600 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $368,652 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Jc Edwards School of Medicine, Marshall University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Gastroenterology |
Medical group
- Puget Sound Gastroenterology PLLCEdmonds, WA · 61 clinicians
Hospital affiliations
- Providence Centralia HospitalCentralia, WA
- Providence St Peter HospitalOlympia, WA
Industry payments (Open Payments)
- 2025$59.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $59.89 | 1 |
What the 2025 payments were for
- Food and Beverage$59.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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