Katherine R. Tuttle, MD
NPI 1740399492ActiveIndividual· Internal Medicine, Nephrology· Spokane, WA
Internal Medicine, Nephrology (MD) with Providence Health and Services Washington, practicing in Spokane, Washington. Their prescriptions cost Medicare Part D more than their services did: $153,284 for 465 claims, against $5,274 paid for services in 2024. Eli Lilly and Company was the largest of 20 companies reporting payments in 2025, $93,115 in all, mostly consulting fees. Lists Prov Sacred Hrt Med Ctr & Childs Hosp. as a hospital affiliation.
Overview
| NPI | 1740399492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Apr 23, 2021 |
| Certified by provider | Apr 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD00028218 | WA |
| Internal Medicine | 207R00000X | MD00028218 | 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 - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 58 across 5 procedure codes |
| Paid by Medicare | $5,274 |
Part D prescriptions in 2024
| Prescriptions (claims) | 465 · 1,111 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $153,284 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Providence Health and Services WashingtonSpokane, WA · 784 clinicians
Hospital affiliation
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
Industry payments (Open Payments)
- 2025$93,115 · 64 payments from 20 companies
- 2024$66,206 · 71 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly and Company | $19,998 | 6 |
| Boehringer Ingelheim International Gmbh | $17,600 | 5 |
| Astrazeneca Uk Limited | $10,750 | 4 |
| Travere Therapeutics, Inc. | $8,517 | 11 |
| Novo Nordisk Inc | $6,797 | 4 |
What the 2025 payments were for
- Consulting Fee$53,613 · 18 payments
- Travel and Lodging$23,801 · 16 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,112 · 3 payments
- Food and Beverage$1,589 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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