Doctor profile · Federal record

Dr. Andrew Ko, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Seattle, WA

  • NPI 1093817785
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
908 Jefferson St
Seattle, WA 981042433
(206) 744-9300
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 2, 2014
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Washington #MD60273999
Medicaid
WA #1093817785

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093817785. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
4
Medicare allowed
$37,917
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 30 30 $89
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array 20 19 $1,586
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $143
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $105

In context: peer comparison

Among 23 peers in Seattle Neurological Surgery Physician, average services per provider: 31. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$989
Transactions
19
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 10 $513.78
Boston Scientific Corporation 8 $428.94
Stryker Corporation 1 $46.28

By nature of payment

Food and Beverage
$989

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Ko's medical specialty?
Dr. Andrew Ko practices Neurological Surgery Physician in Seattle, WA.
Where does Dr. Andrew Ko practice?
Dr. Andrew Ko practices at 908 Jefferson St, Seattle, WA 981042433. Office phone: 2067449300.
What is Dr. Andrew Ko's NPI?
Dr. Andrew Ko's National Provider Identifier (NPI) is 1093817785, issued by NPPES.
Does Dr. Andrew Ko accept Medicare assignment?
Yes. Dr. Andrew Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Ko commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array (HCPCS 61863); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.