Doctor profile · Federal record

Dr. Justine Ko, M.D.

Sports Medicine (Emergency Medicine) Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Sports Medicine (Emergency Medicine) Physician · New York, NY

  • NPI 1225569270
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
525 E 68Th St # 179
New York, NY 100654870
(212) 746-0282

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
July 19, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207PS0010X — NUCC code
State licenses (3)
New York #315580 · Illinois #125.070099 · District of Columbia #MD049148

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225569270. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
584
Distinct HCPCS
7
Medicare allowed
$97,818
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 294 289 $202
99284 Emergency department visit with moderate level of medical decision making 134 134 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 53 38 $75
99291 Critical care, first 30-74 minutes 41 41 $244
99283 Emergency department visit with low level of medical decision making 26 26 $83
99203 New patient office or other outpatient visit, 30-44 minutes 23 23 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $111

In context: peer comparison

Among 1 peers in this city , average services per provider: 83. This provider delivers 7.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Justine Ko's medical specialty?
Dr. Justine Ko practices Sports Medicine (Emergency Medicine) Physician in New York, NY.
Where does Dr. Justine Ko practice?
Dr. Justine Ko practices at 525 E 68Th St # 179, New York, NY 100654870. Office phone: 2127460282.
What is Dr. Justine Ko's NPI?
Dr. Justine Ko's National Provider Identifier (NPI) is 1225569270, issued by NPPES.
Does Dr. Justine Ko accept Medicare assignment?
Yes. Dr. Justine Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justine Ko commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.