Mary Ann K. Arndt, M.D.
NPI 1750458329ActiveIndividual· Internal Medicine, Nephrology· Spokane, WA
Internal Medicine, Nephrology (M.D.) in Spokane, Washington, trained at Georgetown University School of Medicine (class of 2002). Medicare paid $48,872 for services to 149 patients in 2024.
Overview
| NPI | 1750458329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Sep 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD30286879 | WA |
| Internal Medicine, Nephrology | 207RN0300X | MD157887 | OR |
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 - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 742 across 9 procedure codes |
| Paid by Medicare | $48,872 |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
Medical group
- Providence Health and Services WashingtonSpokane, WA · 784 clinicians
Hospital affiliations
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
- Providence Holy Family HospitalSpokane, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Spokane
- 1700970720
- 1487813374
- 1629291273
- 1801987797
- 1023950524
- 1902056583
- 1205321262
- 1760484588
- 1659524924
- 1114929668
- 1427142470
- 1023098860