Doctor profile · Federal record

Dr. Emily Ray Ko, M.D.

Hospitalist Physician (CMS: Hospitalist) · Hospitalist Physician · Durham, NC

  • NPI 1336342997
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4103 Graceview Way
Durham, NC 277051684
(206) 240-3764

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
October 4, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Washington #MD60166435 · North Carolina #2012-01967

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336342997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
4
Medicare allowed
$10,832
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 29 $74
99239 Hospital discharge day management, more than 30 minutes 21 21 $105
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 11 $101
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $159

In context: peer comparison

Among 14 peers in this city , average services per provider: 59. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Ray Ko's medical specialty?
Dr. Emily Ray Ko practices Hospitalist Physician in Durham, NC.
Where does Dr. Emily Ray Ko practice?
Dr. Emily Ray Ko practices at 4103 Graceview Way, Durham, NC 277051684. Office phone: 2062403764.
What is Dr. Emily Ray Ko's NPI?
Dr. Emily Ray Ko's National Provider Identifier (NPI) is 1336342997, issued by NPPES.
Does Dr. Emily Ray Ko accept Medicare assignment?
Yes. Dr. Emily Ray Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emily Ray Ko commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.