Quick answers
- Which hospitals does Harry S. Ko work at?
- Medicare's official clinician data lists Harry S. Ko at 1 hospital: Oroville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Harry S. Ko see patients?
- Medicare's clinician data lists 1 practice location in Oroville, CA. Call before your visit to confirm the address.
- What is Harry S. Ko's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Harry S. Ko accept Medicare assignment?
- Medicare's clinician data says Harry S. Ko may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Harry S. Ko?
- (530) 534-5394, as listed in official Medicare / NPI Registry data.
- What is Harry S. Ko's NPI number?
- 1578678728. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Harry S. Ko works
Medicare's Facility Affiliation Data lists Harry S. Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oroville HospitalOroville, CA · Acute Care Hospital · CCN 050030
Practice locations
Addresses where Harry S. Ko is enrolled with Medicare (CMS data updated 2026-10-02).
- 2145 5th AveOroville, CA 95965 (530) 534‑5394
Group practices
Medicare enrollment lists Harry S. Ko as a member of this group (CMS data updated 2026-10-02).
- Feather River Tribal Health Inc29 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Oroville
Clinicians with the same Medicare primary specialty in Oroville, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1578678728 |
| 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