Katherine Tuttle, MD
NPI 1740399492 · Nephrology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Tuttle, MD is a Nephrology Physician provider in Spokane, WA (NPI 1740399492).
Provider details
- NPI number
- 1740399492
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00028218 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
47 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $124 |
Typical Medicare-allowed amounts for these services range $124–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Spironolactone | 33 |
| Empagliflozinbrand: Jardiance | 25 |
| Losartan Potassium | 25 |
| Furosemide | 24 |
| Amlodipine Besylate | 23 |
| Allopurinol | 23 |
| Semaglutidebrand: Ozempic | 18 |
| Metoprolol Succinate | 17 |
| Finerenonebrand: Kerendia |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$66,096 across 66 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2021-04-23
- Certified
- 2021-04-23
Frequently asked questions
- What is Katherine Tuttle's NPI number?
- Katherine Tuttle's National Provider Identifier (NPI) is 1740399492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Tuttle's specialty?
- Katherine Tuttle is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Tuttle located?
- Katherine Tuttle's practice location on file with NPPES is 105 W 8th Ave, Spokane, WA 99204-2302.
- What is Katherine Tuttle's phone number?
- The practice phone number listed in the NPPES registry for Katherine Tuttle is (509) 340-0930.
- Does Katherine Tuttle accept Medicare?
- Katherine Tuttle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Tuttle's NPI active?
- Yes — Katherine Tuttle's NPI (1740399492) is active in the NPPES registry as of the last update on 2021-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.