Christine T. Ko, M.D.
Internal Medicine Physician · Lexington, KY
Christine T. Ko, M.D. is an internal medicine physician with a practice address in Lexington, Kentucky, and NPI 1174568455, issued on Jun 19, 2006. Check the license (Kentucky 37928, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Christine T. Ko
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37928 KY
Self-reported in NPPES; status is on the state search - Practice location
- 3084 Lakecrest Cir, Lexington, KY 40513
- Phone
- (859) 219-6440
- Enumerated
- Jun 19, 2006
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (859) 219-6449
- Medicaid ID
- 64066012 KY
- Medicare enrollment
- Enrolled (PECOS I20101208001303); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 3084 Lakecrest Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Griffin, PHARMD, LDEPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1508650185
- Sarah Grimm, PA-CMedical Physician Assistant1619163110
- Kristina Humphries, MDEndocrinology, Diabetes & Metabolism Physician1841299369
- Angela Lanter, ARNPNurse Practitioner1710914353
- Anna Marino, MDEndocrinology, Diabetes & Metabolism Physician1124217260
- Chitra Raghavan, MDInternal Medicine Physician1376603738
Verify Christine T. Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 37928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average internal medicine physician in 2024
4,671 Medicare Part D claims for 335 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium381 claims
- Levothyroxine Sodium285 claims
- Rosuvastatin Calcium239 claims
- Amlodipine Besylate209 claims
- Lisinopril188 claims
- Pantoprazole Sodium116 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 MIPS final score for 2023 (Medicare payment program): 95.5 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).
Industry payments in 2024: $1,724.09
88 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baptist Health Medical Group IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine T. Ko among 1,526 internal medicine physician records in Kentucky
Christine T. Ko, M.D. is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2003 · median 2006 among the 1,025 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
259 internal medicine physician records list a practice address in Lexington
They are 259 of the 14,031 NPPES records with a practice address in Lexington, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Gammon, M.D.Lexington, KY 405131891720587
- Lisa Hall, M.D.Lexington, KY 405131922033513
- Samia Jahan, MDLexington, KY 405131043967763
- James Lynch, MDLexington, KY 405131497782478
- Andrea Lyons, M.D.Lexington, KY 405131043458540
- Oshuare Polly, MDLexington, KY 405131003495235
- Chitra Raghavan, MDLexington, KY 405131376603738
- Francisco Rios, MDLexington, KY 405131275020752
Common questions
What is Christine T. Ko, M.D.'s NPI number?
Christine T. Ko, M.D.'s National Provider Identifier (NPI) is 1174568455, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine T. Ko, M.D. located?
The NPPES record lists a practice address at 3084 Lakecrest Cir, Lexington, KY, 40513. Phone: (859) 219-6440. Providers update this record themselves, so call before visiting.
How can I verify Christine T. Ko, M.D.'s license?
NPPES lists Kentucky license number 37928, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christine T. Ko, M.D. prescribe under Medicare Part D?
In 2024, Christine T. Ko, M.D. had 4,671 Medicare Part D claims for 335 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Christine T. Ko, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.5 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.