Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Emily E Ray Ko, MD

Individual provider Hospitalist Physician · NPI 1336342997

Dr. Emily E Ray Ko, MD is a Hospitalist in Durham, North Carolina. Graduated from Stanford University School of Medicine in 1997, 29 years ago. Practices with Duke University Health System, Inc, a 1,082-clinician group and accepts Medicare assignment. Licensed in North Carolina and Washington.

Years since qualifying
29
Trained at
Stanford University School of Medicine
Licensed in
NC, WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4103 Graceview Way
Durham, NC 27705-1684
Phone: (206) 240-3764
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD60166435 (WA)
Hospitalist Physician Taxonomy 208M00000X · Licence 2012-01967 (NC)

Record details

NPI number1336342997
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2007
Last updated in NPPESOctober 4, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Duke University Health System, Inc — 1082 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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