Quick answers
- Does Wiley O. Harkens accept Medicare assignment?
- Yes. Medicare's clinician data says Wiley O. Harkens accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Wiley O. Harkens's NPI number?
- 1588285522. 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 Wiley O. Harkens is enrolled with Medicare (CMS data updated October 2, 2026).
- 9135 SW Barnes Rd, Suite 985Portland, OR 97225 (503) 297‑3336
Group practices
Medicare enrollment lists Wiley O. Harkens as a member of this group (CMS data updated October 2, 2026).
- Portland Diabetes and Endocrinology10 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Portland Diabetes and Endocrinology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Pacific Nw Un Of Hs, Col Of Osteopathic Medicine |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588285522 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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