Quick answers
- Where does Kolby Walker see patients?
- Medicare's clinician data lists 7 practice locations, including The Dalles, OR, Whittier, CA and La Mirada, CA. Call before your visit to confirm the address.
- What is Kolby Walker's specialty?
- Medicare lists Psychiatry as the primary specialty, and also Emergency Medicine.
- Does Kolby Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Kolby Walker 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.
- Does Kolby Walker offer telehealth?
- Medicare's clinician data says Kolby Walker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Kolby Walker?
- (541) 296-5452, as listed in official Medicare / NPI Registry data.
- What is Kolby Walker's NPI number?
- 1144541376. 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 Kolby Walker is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1060 Webber StThe Dalles, OR 97058 (541) 296‑5452
- 12401 Washington BlvdWhittier, CA 90602 (562) 698‑0811
- 12401 Washington Blvd, Suite 100Whittier, CA 90602 (562) 967‑2885
- 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339
- 1303 E Herndon AveFresno, CA 93720 (559) 450‑3301
Group practices
Medicare enrollment lists Kolby Walker as a member of these groups (CMS data updated 2026-10-02).
- PIH Health Physicians622 clinicians in the group
- Rideout Memorial Hospital87 clinicians in the group
- Saint Agnes Medical Center58 clinicians in the group
- County of Linn19 clinicians in the group
- Mid-Columbia Center for Living17 clinicians in the group
Specialties
- Psychiatryprimary
- Emergency Medicinealso
Other psychiatrists in The Dalles
Clinicians with the same Medicare primary specialty in The Dalles, OR — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144541376 |
| 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