Quick answers
- Where does William J. Koenig Ii see patients?
- Medicare's clinician data lists 2 practice locations, including McMinnville, OR. Call before your visit to confirm the address.
- What is William J. Koenig Ii's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does William J. Koenig Ii accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Koenig Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William J. Koenig Ii?
- (503) 472-6161, as listed in official Medicare / NPI Registry data.
- What is William J. Koenig Ii's NPI number?
- 1770588337. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William J. Koenig Ii is enrolled with Medicare (CMS data updated 2026-10-02).
- 2435 NE Cumulus Ave, Suite AMcMinnville, OR 97128 (503) 472‑6161
- 2435 NE Cumulus Ave AMcMinnville, OR 97128
Group practices
Medicare enrollment lists William J. Koenig Ii as a member of this group (CMS data updated 2026-10-02).
- Physicians Medical Center P C22 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in McMinnville
Clinicians with the same Medicare primary specialty in McMinnville, OR — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770588337 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians