Quick answers
- Which hospitals does Emily E. Ray Ko work at?
- Medicare's official clinician data lists Emily E. Ray Ko at 1 hospital: Duke Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Emily E. Ray Ko see patients?
- Medicare's clinician data lists 2 practice locations, including Durham, NC. Call before your visit to confirm the address.
- What is Emily E. Ray Ko's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Emily E. Ray Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Emily E. Ray 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 Emily E. Ray Ko?
- (919) 470-8490, as listed in official Medicare / NPI Registry data.
- What is Emily E. Ray Ko's NPI number?
- 1336342997. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Emily E. Ray Ko works
Medicare's Facility Affiliation Data lists Emily E. Ray Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Duke Regional HospitalDurham, NC · Acute Care Hospital · CCN 340155
Practice locations
Addresses where Emily E. Ray Ko is enrolled with Medicare (CMS data updated 2026-10-02).
- 3643 N Roxboro RdDurham, NC 27704 (919) 470‑8490
- 3643 N Roxboro StDurham, NC 27704 (919) 470‑5356
Group practices
Medicare enrollment lists Emily E. Ray Ko as a member of this group (CMS data updated 2026-10-02).
- Duke University Health System, Inc1,102 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Durham
Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336342997 |
| 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