Quick answers
- Which hospitals does Ryan L. Ko work at?
- Medicare's official clinician data lists Ryan L. Ko at 1 hospital: Community Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan L. Ko see patients?
- Medicare's clinician data lists 3 practice locations, including Fresno, CA. Call before your visit to confirm the address.
- What is Ryan L. Ko's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ryan L. Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan L. Ko 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 Ryan L. Ko?
- (559) 459-6000, as listed in official Medicare / NPI Registry data.
- What is Ryan L. Ko's NPI number?
- 1609207281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan L. Ko works
Medicare's Facility Affiliation Data lists Ryan L. Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Regional Medical CenterFresno, CA · Acute Care Hospital · CCN 050060
Practice locations
Addresses where Ryan L. Ko is enrolled with Medicare (CMS data updated 2026-10-02).
- 2823 Fresno StFresno, CA 93721 (559) 459‑6000
- 45 E River Park Pl W, Suite 104Fresno, CA 93720 (559) 320‑0530
- 45 E River Park Pl W, Suite 507Fresno, CA 93720
Group practices
Medicare enrollment lists Ryan L. Ko as a member of this group (CMS data updated 2026-10-02).
- Community Health Partners504 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609207281 |
| 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