Quick answers
- Does Karthikeyan Kanagarajan accept Medicare assignment?
- Yes. Medicare's clinician data says Karthikeyan Kanagarajan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karthikeyan Kanagarajan see?
- In 2024, CMS data shows 531 Original Medicare patients and 871 services for Karthikeyan Kanagarajan. This counts Original Medicare only and measures volume, not quality.
- What is Karthikeyan Kanagarajan's NPI number?
- 1497704936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karthikeyan Kanagarajan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 531 |
|---|---|
| Services billed to Medicare | 871 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)225 services
- Sleep study in sleep lab with continuous airway pressure (6 years or older) (95811)180 services
- Sleep study in sleep lab (6 years or older) (95810)166 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)129 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)55 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease39%
- Diabetes31%
- Atrial fibrillation31%
Hospitals where Karthikeyan Kanagarajan works
Medicare's Facility Affiliation Data lists Karthikeyan Kanagarajan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adams County Regional Medical CenterSeaman, OH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 361326
- Christ HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360163
- Margaret Mary Community Hospital IncBatesville, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151329
Practice locations
Addresses where Karthikeyan Kanagarajan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1051 State Rd, Suite 229Batesville, IN 47006 (812) 933‑5110
- 11140 Montgomery RdCincinnati, OH 45249 (513) 561‑7809
- 5885 Harrison AveCincinnati, OH 45248 (513) 598‑3500
Group practices
Medicare enrollment lists Karthikeyan Kanagarajan as a member of this group (CMS data updated October 2, 2026).
- The Christ Hospital Medical Associates, LLC274 clinicians in the group
Specialties
- Sleep Medicineprimary
- Pulmonary Diseasealso
Other sleep medicine doctors in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in The Christ Hospital Medical Associates, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497704936 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians