Karlee J. Ausk, MD
NPI 1336159789ActiveIndividual· Internal Medicine, Gastroenterology· Seattle, WA
Internal Medicine, Gastroenterology (MD) in Seattle, Washington, trained at University of Washington School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,315,110 for 642 claims, against $40,885 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,190 in all, mostly food and beverage.
Overview
| NPI | 1336159789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Apr 5, 2021 |
| Certified by provider | Apr 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD60022505 | 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 - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 378 across 32 procedure codes |
| Paid by Medicare | $40,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 642 · 855 30-day fills |
|---|---|
| Patients | 263 |
| Total drug cost | $1,315,110 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington Gastroenterology PLLCTacoma, WA · 143 clinicians
Hospital affiliation
- Overlake Hospital Medical Center & ClinicsBellevue, WA
Industry payments (Open Payments)
- 2025$1,190 · 48 payments from 13 companies
- 2024$542.86 · 22 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $278.93 | 10 |
| Janssen Biotech, Inc. | $171.51 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $110.62 | 4 |
| Aimmune Therapeutics, Inc. | $102.07 | 4 |
| Ipsen Biopharmaceuticals, Inc | $98.48 | 4 |
What the 2025 payments were for
- Food and Beverage$1,190 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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