Justine Sarah Ko, M.D.
Sports Medicine (Emergency Medicine) Physician · New York, NY
Justine Sarah Ko, M.D. is a sports medicine (emergency medicine) physician with a practice address in New York, New York, and NPI 1225569270, issued on Mar 22, 2017. Check the license (New York 315580, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Justine Sarah Ko
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Emergency Medicine) Physician 207PS0010X
- License numbers
- 315580 NY
MD049148 DC
125.070099 IL
Self-reported in NPPES; status is on the state search - Practice location
- 525 E 68TH St # 179, New York, NY 10065
- Phone
- (212) 746-0282
- Enumerated
- Mar 22, 2017
- Record last updated
- Jul 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20220831000703); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 525 E 68TH St # 179
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Clohessy, MSNAcute Care Nurse Practitioner1457025561
- Jacquelyn DejesusPhysician Assistant1154153765
- Natalie Giglio, NURSE PRACTITIONERFamily Nurse Practitioner1669364683
- Hamza Ijaz, MDEmergency Medicine Physician1144780677
- Mia Kanak, MD, MPHPediatrics Physician1508251687
- Trisha Mae Magpantay, MSN, RN, AGACNP-BCAcute Care Nurse Practitioner1467343756
Verify Justine Sarah Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 315580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average sports medicine (emergency medicine) physician in 2024
64 Medicare Part D claims for 54 beneficiaries, against an average of 227 among the 145 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sports Medicine (Emergency Medicine) Physician providers in New York
There are 22 sports medicine (emergency medicine) physician records in New York.
Other sports medicine (emergency medicine) physician records in New York
- Peter Christiano, MDSyracuse, NY1346747136
- Natasha Desai, M.D.New York, NY1326350810
- Jesse Fodero, MDNiagara Falls, NY1962935460
- Jason Friedman, MDPoughkeepsie, NY1679519342
- Melissa Gerfin, DOAlbany, NY1104403344
- Jeannine Heitmann, DOValley Stream, NY1861444358
- Stephen Hongach, DOBrooklyn, NY1891435186
- Olivia Kelly, ATCNew York, NY1285558767
- Amie Kim, M.D.New York, NY1205128832
- Paul Klawitter, M.D.Cooperstown, NY1326104191
Common questions
What is Justine Sarah Ko, M.D.'s NPI number?
Justine Sarah Ko, M.D.'s National Provider Identifier (NPI) is 1225569270, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Justine Sarah Ko, M.D. located?
The NPPES record lists a practice address at 525 E 68TH St # 179, New York, NY, 10065. Phone: (212) 746-0282. Providers update this record themselves, so call before visiting.
How can I verify Justine Sarah Ko, M.D.'s license?
NPPES lists New York license number 315580, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justine Sarah Ko, M.D. prescribe under Medicare Part D?
In 2024, Justine Sarah Ko, M.D. had 64 Medicare Part D claims for 54 beneficiaries; the average among sports medicine (emergency medicine) physician prescribers was 227. Part D covers Medicare prescriptions only.
What is Justine Sarah Ko, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.