Kei Cheung Ko, M.D.
Emergency Medicine Physician · Texarkana, TX
Kei Cheung Ko, M.D. is an emergency medicine physician with a practice address in Texarkana, Texas, and NPI 1649582768, issued on Jul 6, 2010. Check the license (Texas T9153, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kei Cheung Ko
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- T9153 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Saint Michael Dr, Texarkana, TX 75503
- Phone
- (903) 614-1000
- Enumerated
- Jul 6, 2010
- Record last updated
- Dec 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20140710000293); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 2600 Saint Michael Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex Ayers, PA-CPhysician Assistant1073011599
- Caleb BennettCertified Registered Nurse Anesthetist1093304917
- Paul Bernard, M.D.Anesthesiology Physician1861460438
- Brandie ByrneAcute Care Nurse Practitioner1942871215
- Yesenia Canciobello, CRNACertified Registered Nurse Anesthetist1457954737
- Rincy Chacko, PHARMDAmbulatory Care Pharmacist1750202552
Verify Kei Cheung Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T9153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average emergency medicine physician in 2024
194 Medicare Part D claims for 137 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 26 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen16 claims
- Azithromycin14 claims
- Methylprednisolone14 claims
- Cefdinir12 claims
- Amoxicillin-Clavulanate Potass11 claims
- Ketorolac Tromethamine11 claims
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 practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Aspirus Eagle River Hospital And Clinics, IncEagle River, WI
- Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Rhinelander, WI
- Emergency Medical Association OF New York PCCortlandt Manor, NY
- Howard Young Medical Center Inc OF Woodruff WisconsinWoodruff, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kei Cheung Ko among 4,885 emergency medicine physician records in Texas
Kei Cheung Ko, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 48% of them.
- NPI issued2010 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2013 among the 2,779 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Texarkana
They are 19 of the 1,147 NPPES records with a practice address in Texarkana, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Texarkana → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Osei AsamoahTexarkana, TX 755031013028646
- John Baugh, MDTexarkana, TX 755031447297239
- John Frey, MDTexarkana, TX 755031811998453
- Michael Gaertner, D.O.Texarkana, TX 755031356368815
- Jack Menges, MDTexarkana, TX 755031033146899
- Michael Owens, M.D.Texarkana, TX 755031396195830
- Henry Platt, M.D.Texarkana, TX 755031316948003
- Charles Poteet, MDTexarkana, TX 755031740216795
Common questions
What is Kei Cheung Ko, M.D.'s NPI number?
Kei Cheung Ko, M.D.'s National Provider Identifier (NPI) is 1649582768, issued on Jul 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kei Cheung Ko, M.D. located?
The NPPES record lists a practice address at 2600 Saint Michael Dr, Texarkana, TX, 75503. Phone: (903) 614-1000. Providers update this record themselves, so call before visiting.
How can I verify Kei Cheung Ko, M.D.'s license?
NPPES lists Texas license number T9153, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kei Cheung Ko, M.D. prescribe under Medicare Part D?
In 2024, Kei Cheung Ko, M.D. had 194 Medicare Part D claims for 137 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Kei Cheung Ko, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.6 of 100, reported for the practice group. 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.