Karen Stout, MD
NPI 1306921127 · Adult Congenital Heart Disease Physician · Seattle, WA
Provider details
- NPI number
- 1306921127
- Entity type
- Individual
- Primary specialty
- Adult Congenital Heart Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00038766 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
540 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 183 | $71 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 54 | $3 |
| Ultrasound of Heart, Follow-Up93308 | 52 | $26 |
| Heart Muscle Strain Imaging93356 | 48 | $12 |
| Critical Care, First 30-74 Minutes99291 | 44 | $221 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 37 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.