Kathryn Tonder, MD
NPI 1942218185 · Family Medicine Physician · Spanaway, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Tonder, MD is a Family Medicine Physician provider in Spanaway, WA (NPI 1942218185).
Provider details
- NPI number
- 1942218185
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00044162 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
411 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 162 | $140 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 137 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 48 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $100 |
| Administration of Influenza Virus VaccineG0008 | 14 | $36 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 189 | 53 |
| Levothyroxine Sodium | 150 | 37 |
| Amlodipine Besylate | 107 | 30 |
| Rosuvastatin Calcium | 92 | 28 |
| Losartan Potassium | 84 | 26 |
| Lisinopril | 81 | 23 |
| Duloxetine Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 751 Ne Blakely Dr Ste 5010Issaquah, WA 98029-6201Phone: (425) 394-0700Fax: (425) 394-0757
- 550 17th Ave Ste 540Seattle, WA 98122-4470Phone: (206) 386-3880Fax: (206) 386-3882
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2020-10-09
- Certified
- 2020-10-09
Frequently asked questions
- What is Kathryn Tonder's NPI number?
- Kathryn Tonder's National Provider Identifier (NPI) is 1942218185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Tonder's specialty?
- Kathryn Tonder is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Tonder located?
- Kathryn Tonder's practice location on file with NPPES is 134 188th St S, Spanaway, WA 98387-4618.
- What is Kathryn Tonder's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Tonder is (253) 847-2304.
- Does Kathryn Tonder accept Medicare?
- Kathryn Tonder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Tonder's NPI active?
- Yes — Kathryn Tonder's NPI (1942218185) is active in the NPPES registry as of the last update on 2020-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.