Registry data as of Aug 27, 2026

Tharun Karthikeyan, MD

Orthopaedic Surgery Physician · Lexington, KY

Tharun Karthikeyan, MD is an orthopaedic surgery physician with a practice address in Lexington, Kentucky, and NPI 1922200468, issued on Jun 5, 2007. Check the license (Kentucky 45545, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922200468
Name
Tharun Karthikeyan
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
45545 KY
2011-00878 NC
MT186736 PA
Self-reported in NPPES; status is on the state search
Practice location
1207 S Broadway, Lexington, KY 40504
Phone
(859) 258-8575
Enumerated
Jun 5, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1207 S Broadway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jerry Abney, OTR/L, CHTRehabilitation Practitioner1033132550
  2. Madden Adams, PT, DPTPhysical Therapist1457202426
  3. Bethany Begley, PA-CPhysician Assistant1598188476
  4. David Blake, MDNeurology Physician1295837094
  5. Kathleen Campbell, PA-CPhysician Assistant1093339640
  6. Justin Clark, PT, DPTPhysical Therapist1124861034

Verify Tharun Karthikeyan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 45545
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

6.0 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024

2,050 Medicare Part D claims for 573 beneficiaries, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 820 claims were for opioids.

  1. Tharun Karthikeyan2,050
  2. Specialty average344

Most prescribed

  1. Oxycodone-Acetaminophen673 claims
  2. Meloxicam349 claims
  3. Pregabalin257 claims
  4. Ondansetron Hcl152 claims
  5. Cefadroxil127 claims
  6. Cephalexin116 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 Medicare quality score for 2023: 81 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.

  1. Qualityout of 100 · 30% of the final score63.2
  2. Costout of 100 · 30%73.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,643.48

18 payments, mostly food and beverage; the largest payer was Zimmer Biomet Holdings, Inc.. The 15,866 providers of this specialty with any payment received $21,294.10 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tharun Karthikeyan$3,643.48
  2. Specialty average$21,294.10

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

6 hospital and facility affiliations

  1. H2 Rehabilitation Services OF Kentucky, LLCRichmond, KY
  2. Kentucky Orthopedic Rehabilitation LLCRichmond, KY
  3. New Lexington Clinic PscLexington, KY
  4. Premier Therapy And Health Centers IncGrayson, KY
  5. Proactive Therapy, IncFrankfort, KY
  6. SN Kentuckiana Rehab, LLCLouisville, KY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Orthopaedic Surgery Physician providers in Kentucky

There are 341 orthopaedic surgery physician records in Kentucky.

Other orthopaedic surgery physician records in Kentucky

  1. Moses Adebayo, MDPikeville, KY1568995413
  2. Nicholas Ahn, MDLouisville, KY1356369482
  3. Gordon Air, MDEdgewood, KY1689676843
  4. George Aitken, MDAshland, KY1053322321
  5. James Akin, MDProspect, KY1851384150
  6. Sreenivasa Alla, M.D.Jackson, KY1972735025
  7. Victor Anciano Granadillo, MDLouisville, KY1841686995
  8. Hari Ankem, MDMadisonville, KY1518597699
  9. Donald Arms, MDHartford, KY1548233661
  10. Sameer Badarudeen, MDBowling Green, KY1720390040

Common questions

What is Tharun Karthikeyan, MD's NPI number?

Tharun Karthikeyan, MD's National Provider Identifier (NPI) is 1922200468, issued on Jun 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tharun Karthikeyan, MD located?

The NPPES record lists a practice address at 1207 S Broadway, Lexington, KY, 40504. Phone: (859) 258-8575. Providers update this record themselves, so call before visiting.

How can I verify Tharun Karthikeyan, MD's license?

NPPES lists Kentucky license number 45545, 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 Tharun Karthikeyan, MD prescribe under Medicare Part D?

In 2024, Tharun Karthikeyan, MD had 2,050 Medicare Part D claims for 573 beneficiaries; the average among orthopaedic surgery physician prescribers was 344. Part D covers Medicare prescriptions only.

What is Tharun Karthikeyan, MD's Medicare quality score?

The 2023 MIPS final score is 81 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.