Quick answers
- Which hospitals does Mitchell A. Garrison work at?
- Medicare's official clinician data lists Mitchell A. Garrison at 5 hospitals: Confluence Health Hospital, Kittitas Valley Community Hospital, Lake Chelan Community Hospital, Mid Valley Hospital & Clinic and North Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mitchell A. Garrison see patients?
- Medicare's clinician data lists 1 practice location in Wenatchee, WA. Call before your visit to confirm the address.
- What is Mitchell A. Garrison's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Mitchell A. Garrison accept Medicare assignment?
- Yes. Medicare's clinician data says Mitchell A. Garrison 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 Mitchell A. Garrison offer telehealth?
- Medicare's clinician data says Mitchell A. Garrison offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mitchell A. Garrison?
- (509) 662-2208, as listed in official Medicare / NPI Registry data.
- What is Mitchell A. Garrison's NPI number?
- 1114917960. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mitchell A. Garrison works
Medicare's Facility Affiliation Data lists Mitchell A. Garrison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Confluence Health HospitalWenatchee, WA · Acute Care Hospital · CCN 500016
- Kittitas Valley Community HospitalEllensburg, WA · Critical Access Hospital · CCN 501333
- Lake Chelan Community HospitalChelan, WA · Critical Access Hospital · CCN 501334
- Mid Valley Hospital & ClinicOmak, WA · Critical Access Hospital · CCN 501328
- North Valley HospitalTonasket, WA · Critical Access Hospital · CCN 501321
Practice locations
Addresses where Mitchell A. Garrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 S Miller StWenatchee, WA 98801 (509) 662‑2208
Group practices
Medicare enrollment lists Mitchell A. Garrison as a member of this group (CMS data updated 2026-10-02).
- Central Washington Health Services Association721 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Wenatchee
Clinicians with the same Medicare primary specialty in Wenatchee, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114917960 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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