Aaron C. Johansen, MD
NPI 1639226863ActiveIndividual· Emergency Medicine· Oka Tamuning, GU
Emergency Medicine (MD) in Oka Tamuning, Guam, trained at George Washington University School of Medicine (class of 1992). Medicare paid $20,970 for services to 177 patients in 2024.
Overview
| NPI | 1639226863 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | M001271 | GU |
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 - Emergency Medicine (GU) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 214 across 14 procedure codes |
| Paid by Medicare | $20,970 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Emergency Medicine |
Medical group
- Guam Memorial HospitalTamuning, GU · 131 clinicians
Hospital affiliation
- Guam Memorial Hospital AuthorityTamuning, GU
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Oka Tamuning
- 1760539472