Karolina Maciag, MD
NPI 1801250261ActiveIndividual· Internal Medicine, Infectious Disease· Seattle, WA
Internal Medicine, Infectious Disease (MD) in Seattle, Washington, trained at Harvard Medical School (class of 2016). Medicare paid $2,766 for services to 17 patients in 2024.
Overview
| NPI | 1801250261 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 11, 2016 |
| Last updated in NPPES | Nov 15, 2022 |
| Certified by provider | Nov 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD61320233 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 24 across 2 procedure codes |
| Paid by Medicare | $2,766 |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Infectious Disease |
Medical groups
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
- King County FinanceFederal Way, WA · 31 clinicians
Hospital affiliations
- University of Maryland Medical CenterBaltimore, MD
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other infectious disease specialists in Seattle
- 1003336165
- 1194805184
- 1194832667
- 1205020310
- 1205876463
- 1225355647
- 1477074250
- 1487690210
- 1508068909
- 1518294255
- 1659532885
- 1659699742
All 165 infectious disease specialists in Seattle · All infectious disease specialists in Washington